IAA RAS IAA Minor Planet Database

4957 Brucemurray (1990 XJ)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2187856425 ± 1.82e-08
Semi-major axis (a)1.5654559772 AU ± 1.36e-09
Inclination (i)35.01188482° ± 5.39e-07
Long. of Asc. Node (Ω)254.87958436° ± 1.42e-06
Arg. of Perihelion (ω)97.45772809° ± 6.29e-06
Mean Anomaly (M)351.77911139° ± 9.20e-06
Mean Motion (n)0.5032119981°/day ± 6.54e-10
Perihelion dist (q)1.22295669 AU ± 2.85e-08
Aphelion dist (Q)1.90795527 AU ± 2.85e-08
Orbital Period1.95867008 yr ± 2.55e-09
Physical Parameters
H (abs. magnitude)15.05
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.064″
Uncertainty0
Orbit TypeAmor
MOID0.424352 AU
Observations Used2375
Gaia Obs Used122
Oppositions20
Arc Total1976-2026
First Observation Used1976-03-11
Last Observation Used2026-03-20
Observations (3372)
Date Type RA Dec Mag Band Observatory
2021-04-27 22:14:04 s 1 -130900.77 4 -26537.410 290.0 – C57
2021-04-27 22:24:04 S 11 48 38.302 -54 58 31.80 – V C57
2021-04-27 22:24:04 s 1 -130123.38 4 -27477.040 5380.0 – C57
2021-04-27 22:34:04 S 11 48 38.167 -54 58 19.16 – V C57
2021-04-27 22:34:04 s 1 -129338.53 2 -28415.105 4750.0 – C57
2021-04-27 22:54:04 S 11 48 36.653 -54 57 59.22 – V C57
2021-04-27 22:54:04 s 1 -127746.23 4 -30286.237 5930.0 – C57
2021-04-27 23:44:04 S 11 48 34.730 -54 56 51.14 – V C57
2021-04-27 23:44:04 s 1 -123631.22 2 -34931.199 1440.0 – C57
2021-04-27 23:54:04 S 11 48 34.296 -54 56 41.39 – V C57
2021-04-27 23:54:04 s 1 -122784.78 3 -35853.888 1290.0 – C57
2021-04-28 00:04:04 S 11 48 33.631 -54 56 24.58 – V C57
2021-04-28 00:04:04 s 1 -121930.41 2 -36774.270 4490.0 – C57
2021-04-28 00:14:04 S 11 48 33.463 -54 56 16.48 – V C57
2021-04-28 00:14:04 s 1 -121068.05 6 -37692.255 930.0 – C57
2021-04-28 00:24:04 S 11 48 33.382 -54 56 03.66 – V C57
2021-04-28 00:24:04 s 1 -120197.66 4 -38607.748 500.0 – C57
2021-04-28 00:34:04 S 11 48 32.434 -54 55 48.50 – V C57
2021-04-28 00:34:04 s 1 -119319.18 7 -39520.654 3120.0 – C57
2021-04-28 00:44:04 S 11 48 31.944 -54 55 39.68 – V C57
2021-04-28 00:44:04 s 1 -118432.57 3 -40430.875 8680.0 – C57
2021-04-28 00:54:04 S 11 48 31.630 -54 55 21.18 – V C57
2021-04-28 00:54:04 s 1 -117537.77 4 -41338.311 7090.0 – C57
2021-04-28 01:04:04 S 11 48 30.950 -54 55 12.36 – V C57
2021-04-28 01:04:04 s 1 -116634.74 0 -42242.861 8240.0 – C57
2021-04-28 01:14:04 S 11 48 30.322 -54 54 56.99 – V C57
2021-04-28 01:14:04 s 1 -115723.42 2 -43144.421 2050.0 – C57
2021-04-28 01:24:04 S 11 48 30.000 -54 54 46.55 – V C57
2021-04-28 01:24:04 s 1 -114803.77 3 -44042.884 8420.0 – C57
2021-04-28 01:34:04 S 11 48 29.954 -54 54 34.27 – V C57
2021-04-28 01:34:04 s 1 -113875.74 6 -44938.142 7260.0 – C57
2021-04-28 01:44:04 S 11 48 28.918 -54 54 17.78 – V C57
2021-04-28 01:44:04 s 1 -112939.29 3 -45830.085 8480.0 – C57
2021-05-15 09:47:00 C 11 45 03.70 -45 56 10.0 – q E89
2021-05-15 09:52:11 C 11 45 03.74 -45 56 02.9 – q E89
2021-05-15 09:57:27 C 11 45 03.84 -45 55 56.2 – q E89
2021-05-15 10:03:20 C 11 45 03.89 -45 55 47.0 – q E89
2021-05-21 06:38:07 C 11 47 57.66 -42 40 44.3 – V T08
2021-05-21 06:42:07 C 11 47 57.77 -42 40 38.2 – V T08
2021-05-21 06:53:26 C 11 47 58.02 -42 40 23.1 – V T08
2021-05-21 07:13:22 C 11 47 58.50 -42 39 55.2 – V T08
2021-05-23 06:53:42 C 11 49 20.73 -41 33 53.3 – V T05
2021-05-23 07:10:13 C 11 49 21.16 -41 33 30.7 – V T05
2021-05-23 07:24:46 C 11 49 21.49 -41 33 10.0 – V T05
2021-05-25 07:12:42 C 11 50 54.64 -40 27 19.0 – V T08
2021-05-25 07:17:21 C 11 50 54.79 -40 27 12.0 – V T08
2021-05-25 07:25:59 C 11 50 55.02 -40 27 00.1 – V T08
2021-05-25 07:44:37 C 11 50 55.65 -40 26 34.5 – V T08
2021-05-25 08:05:10 C 11 50 56.25 -40 26 06.3 – V T08
2021-05-25 08:09:49 C 11 50 56.46 -40 26 00.6 – V T08