Bright asteroids

The table below lists asteroids that are currently bright enough for amateur telescopes. Near-earth objects are not included in this list.
For detailed information about one of the listed asteroids, click on its name/designation.

Asteroid Today Opposition
designation magn radius delta elong phase date magn radius delta elong phase
(4) Vesta7.02.53 AU1.66 AU142.9°13.7°12 Nov 20196.52.55 AU1.57 AU170.5°3.7°
(29) Amphitrite8.72.41 AU1.41 AU175.8°1.7°14 Oct 20198.72.41 AU1.41 AU175.8°1.7°
(9) Metis8.92.17 AU1.19 AU163.5°7.5°26 Oct 20198.62.16 AU1.17 AU173.8°2.9°
(15) Eunomia9.22.29 AU1.70 AU113.7°23.5°22 Jan 20218.52.56 AU1.58 AU177.0°1.2°
(21) Lutetia9.92.10 AU1.13 AU160.7°9.0°28 Sep 20199.42.08 AU1.08 AU174.2°2.8°
(2) Pallas10.12.98 AU3.70 AU37.9°11.9°13 Jul 20209.63.37 AU2.56 AU136.3°12.0°
(33) Polyhymnia10.22.00 AU1.00 AU176.4°1.8°16 Oct 201910.22.00 AU1.01 AU178.6°0.7°
(39) Laetitia10.32.48 AU1.85 AU118.1°20.8°17 Aug 20199.12.52 AU1.51 AU176.0°1.6°
(18) Melpomene10.52.00 AU1.86 AU83.1°29.6°2 Feb 20219.42.41 AU1.43 AU174.9°2.1°
(14) Irene10.62.99 AU2.01 AU167.2°4.3°17 Oct 201910.62.99 AU2.00 AU167.8°4.0°
(16) Psyche10.62.63 AU2.12 AU109.5°21.0°9 Dec 20209.42.68 AU1.70 AU175.3°1.7°
(532) Herculina10.62.33 AU3.28 AU14.6°6.2°2 Jul 20209.32.74 AU1.73 AU176.8°1.2°
(3) Juno10.72.64 AU3.48 AU28.5°10.4°3 Apr 20209.53.06 AU2.06 AU172.2°2.5°
(97) Klotho10.82.01 AU1.26 AU125.2°23.9°1 Dec 20199.91.99 AU1.04 AU157.1°11.1°
(135) Hertha11.01.98 AU1.12 AU138.3°19.6°6 Sep 20199.61.94 AU0.93 AU179.4°0.3°
(52) Europa11.03.15 AU2.20 AU159.3°6.4°28 Sep 201910.83.17 AU2.17 AU170.9°2.9°
(72) Feronia11.02.14 AU1.14 AU177.8°1.0°12 Oct 201911.02.13 AU1.14 AU178.1°0.9°
(247) Eukrate11.02.23 AU1.29 AU153.6°11.5°23 Sep 201910.42.27 AU1.27 AU179.4°0.3°
(675) Ludmilla11.12.23 AU1.33 AU145.6°14.6°10 Nov 201910.52.22 AU1.24 AU169.6°4.6°
(10) Hygiea11.13.49 AU2.77 AU130.0°12.6°26 Nov 201910.33.49 AU2.50 AU176.5°1.0°
(54) Alexandra11.12.49 AU1.53 AU160.9°7.5°7 Oct 201911.02.48 AU1.51 AU163.0°6.8°
(36) Atalante11.22.05 AU1.15 AU145.8°15.8°15 Sep 201910.62.12 AU1.12 AU175.9°2.0°
(511) Davida11.32.57 AU2.44 AU86.0°22.8°15 Jan 20209.62.62 AU1.64 AU176.9°1.2°
(196) Philomela11.33.15 AU2.21 AU156.2°7.4°2 Nov 201910.93.15 AU2.16 AU174.2°1.8°
(7) Iris11.32.94 AU3.84 AU21.6°7.2°28 Jun 20208.82.64 AU1.62 AU177.4°1.0°
(6) Hebe11.32.79 AU3.64 AU27.7°9.6°4 Apr 20209.92.92 AU1.95 AU161.4°6.3°
(13) Egeria11.32.73 AU2.01 AU126.8°17.0°30 Aug 201910.82.75 AU1.80 AU156.3°8.5°
(5) Astraea11.42.22 AU2.06 AU86.2°26.6°21 Jan 20208.92.10 AU1.12 AU176.3°1.7°
(678) Fredegundis11.42.02 AU1.06 AU157.4°10.9°30 Oct 201911.02.02 AU1.03 AU169.1°5.3°
(103) Hera11.42.52 AU1.60 AU151.7°10.8°20 Sep 201910.82.51 AU1.51 AU174.1°2.4°
(130) Elektra11.52.56 AU1.85 AU125.5°18.5°27 Aug 201910.52.63 AU1.62 AU174.4°2.1°
(192) Nausikaa11.52.07 AU1.81 AU89.8°28.9°9 Jan 202010.02.31 AU1.33 AU170.3°4.1°
(182) Elsa11.52.07 AU1.10 AU162.0°8.6°29 Sep 201911.12.09 AU1.09 AU176.2°1.8°
(8) Flora11.52.38 AU2.92 AU48.9°18.4°1 Nov 20208.01.86 AU0.87 AU168.0°6.4°
(27) Euterpe11.51.98 AU2.40 AU54.0°24.0°14 Mar 20209.42.23 AU1.23 AU177.1°1.3°
(11) Parthenope11.52.27 AU2.69 AU54.7°21.0°23 Oct 20209.42.34 AU1.35 AU172.0°3.4°
(354) Eleonora11.52.48 AU3.29 AU30.7°11.8°14 Apr 202010.12.61 AU1.67 AU153.5°9.9°
(26) Proserpina11.62.86 AU1.88 AU165.7°4.9°25 Oct 201911.22.86 AU1.87 AU178.4°0.5°
(306) Unitas11.62.15 AU1.18 AU161.5°8.5°1 Oct 201911.32.13 AU1.14 AU170.2°4.6°
(77) Frigga11.62.41 AU1.43 AU170.1°4.1°6 Oct 201911.32.42 AU1.42 AU179.2°0.3°
(23) Thalia11.62.04 AU2.81 AU33.0°15.4°24 Apr 202010.02.44 AU1.44 AU170.7°3.8°
(28) Bellona11.62.55 AU1.96 AU115.6°20.7°10 Dec 201910.42.47 AU1.51 AU165.7°5.7°
(349) Dembowska11.73.19 AU4.19 AU3.1°1.0°12 May 202010.23.14 AU2.13 AU176.0°1.3°
(88) Thisbe11.82.81 AU2.10 AU126.5°16.6°28 Nov 201910.92.88 AU1.90 AU175.8°1.4°
(69) Hesperia11.82.54 AU2.17 AU99.9°22.7°30 Dec 201910.42.48 AU1.52 AU165.9°5.6°
(129) Antigone11.82.35 AU3.33 AU9.6°4.1°15 Jul 20209.92.39 AU1.38 AU171.7°3.5°
(37) Fides11.82.22 AU2.26 AU75.1°25.7°2 Feb 202010.12.37 AU1.39 AU175.6°1.8°
(423) Diotima11.93.08 AU2.15 AU155.1°7.8°26 Sep 201911.73.07 AU2.09 AU164.7°4.9°
(369) Aeria11.92.41 AU1.47 AU155.0°10.0°27 Oct 201911.82.42 AU1.46 AU161.3°7.6°
(94) Aurora11.92.89 AU1.96 AU153.7°8.8°4 Nov 201911.52.88 AU1.89 AU172.3°2.6°
(233) Asterope11.92.49 AU1.59 AU147.2°12.6°10 Nov 201911.22.51 AU1.52 AU178.8°0.5°


For each of the asteroids listed, the current position is plotted in the below all-sky chart:





    Terminology:
            
    delta:      Distance between asteroid and earth in AU
    radius:     Distance between asteroid and sun in AU
    magn:       Magnitude (brightness) estimate    
    elong:      Elongation in degrees (angle sun-earth-asteroid)    
    AU:         Astronomical Unit (mean distance between earth and sun: 149597870.7 km    
    Perihelion: On this date the comet (or other type of body) is closest to the sun
    

Orbital elements provided by the MPC (Minor Planet Center).
Calculations by a modified version of AAPlus, a C# implementation of the AA+ project by PJ Naughter from the algorithms presented in the book "Astronomical Algorithms" by Jean Meeus.
NGC2000 dso catalog and star labels from VizieR as provided by the Strasbourg astronomical Data Center.
Tycho2 catalog from the ESO archive.