(307261) 2002 MS4 |
ephemeris |
date |
magn |
radius |
delta |
ra |
dec |
elong |
phase |
Today | 1 Jul 2025 | 20.3 | 46.082 AU | 45.124 AU | 19h11m | -04°59' | 160.3° | 0.4° |
Opposition | 10 Jul 2025 | 20.3 | 46.080 AU | 45.109 AU | 19h11m | -05°00' | 162.7° | 0.4° |
(307261) 2002 MS4 - 2025-07-01
astro.vanbuitenen.nl
The interactive orbit chart above shows the body's path through the solar system and its position at the given date.
Green and blue lines are shown perpendicular to the ecliptic plane: Green if the path is above the ecliptic plane, blue if it is below.
(Left-click and drag to rotate the view; Right-click and drag to move the view; Use scroll wheel to zoom in our out.)
The orbital elements of 2002 MS4 are:
e (Eccentricity) : 0.1487034
a (Semimajor axis) : 41.6210355
i (Inclination) : 17.70733
Ω (Longitude of ascending node) : 216.22316
ω (Argument of perihelion) : 214.83781
M (Mean anomaly) : 229.57273
Epoch : 2025 May 05
L (Longitude of perihelion) : 249.76844
B (Latitude of perihelion) : -10.00593
P (Orbital period in years) : 268.52
The light curve chart below shows the estimated development of the minor planet's magnitude.
The all-sky chart below shows the path of the minor planet over the same period as the light curve. The current position is marked yellow.
The following chart shows the path of the minor planet in the next few days. The field of view is optimized for (~10x50) binoculars and finderscopes.
A more printer-friendly version of the same chart can be found below.
Ephemerides:
Date Time RA (2000) DEC (2000) delta radius elong phase PA magn
2025-07-01 00:00 UT 19 11 43.9 -04 59 33 45.124 46.082 160.3 0.4 202 20.3
2025-07-01 10:23 UT 19 11 42.0 -04 59 35 45.123 46.082 160.5 0.4 201 20.3
2025-07-02 00:00 UT 19 11 39.5 -04 59 37 45.121 46.082 160.7 0.4 200 20.3
2025-07-03 00:00 UT 19 11 35.1 -04 59 41 45.119 46.082 161.1 0.4 197 20.3
2025-07-04 00:00 UT 19 11 30.7 -04 59 45 45.117 46.082 161.5 0.4 194 20.3
2025-07-05 00:00 UT 19 11 26.3 -04 59 50 45.115 46.081 161.8 0.4 191 20.3
2025-07-06 00:00 UT 19 11 21.9 -04 59 56 45.113 46.081 162.1 0.4 188 20.3
2025-07-07 00:00 UT 19 11 17.5 -05 00 02 45.111 46.081 162.3 0.4 185 20.3
2025-07-08 00:00 UT 19 11 13.0 -05 00 08 45.110 46.081 162.5 0.4 182 20.3
2025-07-09 00:00 UT 19 11 08.6 -05 00 14 45.109 46.080 162.6 0.4 179 20.3
2025-07-10 00:00 UT 19 11 04.2 -05 00 21 45.109 46.080 162.7 0.4 176 20.3
2025-07-11 00:00 UT 19 10 59.8 -05 00 28 45.108 46.080 162.7 0.4 172 20.3
2025-07-12 00:00 UT 19 10 55.3 -05 00 36 45.108 46.080 162.7 0.4 169 20.3
2025-07-13 00:00 UT 19 10 50.9 -05 00 44 45.109 46.079 162.6 0.4 166 20.3
2025-07-14 00:00 UT 19 10 46.5 -05 00 53 45.109 46.079 162.5 0.4 163 20.3
2025-07-15 00:00 UT 19 10 42.1 -05 01 02 45.110 46.079 162.3 0.4 160 20.3
2025-07-16 00:00 UT 19 10 37.7 -05 01 11 45.111 46.079 162.0 0.4 157 20.3
2025-07-17 00:00 UT 19 10 33.3 -05 01 20 45.112 46.078 161.8 0.4 154 20.3
2025-07-18 00:00 UT 19 10 29.0 -05 01 30 45.114 46.078 161.4 0.4 151 20.3
2025-07-19 00:00 UT 19 10 24.6 -05 01 40 45.116 46.078 161.1 0.4 148 20.3
2025-07-20 00:00 UT 19 10 20.3 -05 01 51 45.118 46.078 160.6 0.4 145 20.3
2025-07-21 00:00 UT 19 10 16.0 -05 02 02 45.120 46.077 160.2 0.4 143 20.3
2025-07-22 00:00 UT 19 10 11.6 -05 02 13 45.123 46.077 159.7 0.4 140 20.3
2025-07-23 00:00 UT 19 10 07.4 -05 02 25 45.126 46.077 159.2 0.4 138 20.3
2025-07-24 00:00 UT 19 10 03.1 -05 02 37 45.129 46.077 158.7 0.5 136 20.3
2025-07-25 00:00 UT 19 09 58.9 -05 02 50 45.133 46.076 158.1 0.5 133 20.3
2025-07-26 00:00 UT 19 09 54.6 -05 03 02 45.136 46.076 157.5 0.5 131 20.3
2025-07-27 00:00 UT 19 09 50.4 -05 03 15 45.141 46.076 156.8 0.5 130 20.3
2025-07-28 00:00 UT 19 09 46.3 -05 03 29 45.145 46.076 156.2 0.5 128 20.3
2025-07-29 00:00 UT 19 09 42.1 -05 03 42 45.149 46.075 155.5 0.5 126 20.3
2025-07-30 00:00 UT 19 09 38.0 -05 03 56 45.154 46.075 154.8 0.5 124 20.3
2025-07-31 00:00 UT 19 09 34.0 -05 04 11 45.159 46.075 154.1 0.6 123 20.3
Terminology:
delta: distance between minor planet and earth in AU
radius: distance between minor planet and sun in AU
magn: magnitude (brightness) estimate
ra: right ascension in hours (24h = 360deg)
dec: declination in degrees
elong: elongation in degrees (angle sun-earth-minor planet)
phase: phase angle in degrees (angle sun-minor planet-earth)
AU: Astronomical Unit (mean distance between earth and sun: 149597870.7 km
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.