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
2021-04-21 01:54:05 s 1 +33017.444 0 +377379.14 7850.0 – C57
2021-04-21 02:04:05 S 11 56 57.149 -57 46 48.90 – V C57
2021-04-21 02:04:05 s 1 +32645.550 0 +377496.07 5440.0 – C57
2021-04-21 02:14:05 S 11 56 56.626 -57 46 37.67 – V C57
2021-04-21 02:14:05 s 1 +32273.571 0 +377611.98 2870.0 – C57
2021-04-21 02:24:05 S 11 56 56.796 -57 46 25.82 – V C57
2021-04-21 02:24:05 s 1 +31901.510 0 +377726.88 160.0 – C57
2021-04-21 05:14:05 S 11 56 47.004 -57 43 54.19 – V C57
2021-04-21 05:14:05 s 1 +25564.773 0 +379526.06 3880.0 – C57
2021-04-21 05:24:05 S 11 56 46.608 -57 43 50.20 – V C57
2021-04-21 05:24:05 s 1 +25191.396 0 +379622.85 8930.0 – C57
2021-04-21 05:34:05 S 11 56 46.416 -57 43 35.29 – V C57
2021-04-21 05:34:05 s 1 +24817.956 0 +379718.63 3870.0 – C57
2021-04-21 05:44:05 S 11 56 45.876 -57 43 24.89 – V C57
2021-04-21 05:44:05 s 1 +24444.453 0 +379813.40 8710.0 – C57
2021-04-21 05:54:05 S 11 56 45.511 -57 43 19.63 – V C57
2021-04-21 05:54:05 s 1 +24070.889 0 +379907.17 3450.0 – C57
2021-04-21 06:14:05 S 11 56 44.527 -57 43 03.04 – V C57
2021-04-21 06:14:05 s 1 +23323.583 0 +380091.71 2650.0 – C57
2021-04-21 06:24:05 S 11 56 43.805 -57 42 51.62 – V C57
2021-04-21 06:24:05 s 1 +22949.842 0 +380182.47 7110.0 – C57
2021-04-21 06:34:05 S 11 56 43.668 -57 42 44.28 – V C57
2021-04-21 06:34:05 s 1 +22576.044 0 +380272.24 1480.0 – C57
2021-04-21 06:44:05 S 11 56 42.912 -57 42 37.51 – V C57
2021-04-21 06:44:05 s 1 +22202.190 0 +380361.00 5760.0 – C57
2021-04-21 06:54:05 S 11 56 42.420 -57 42 25.27 – V C57
2021-04-21 06:54:05 s 1 +21828.281 0 +380448.75 9960.0 – C57
2021-04-21 07:04:05 S 11 56 42.250 -57 42 21.31 – V C57
2021-04-21 07:04:05 s 1 +21454.318 0 +380535.51 4070.0 – C57
2021-04-21 07:14:05 S 11 56 41.374 -57 42 04.82 – V C57
2021-04-21 07:14:05 s 1 +21080.303 0 +380621.27 8100.0 – C57
2021-04-21 07:24:05 S 11 56 40.558 -57 42 03.67 – V C57
2021-04-21 07:24:05 s 1 +20706.235 0 +380706.02 2060.0 – C57
2021-04-21 08:54:05 S 11 56 35.741 -57 40 39.11 – V C57
2021-04-21 08:54:05 s 1 +17337.459 0 +381423.84 4480.0 – C57
2021-04-21 09:14:05 S 11 56 35.124 -57 40 21.40 – V C57
2021-04-21 09:14:05 s 1 +16588.357 0 +381572.36 1010.0 – C57
2021-04-21 09:24:05 S 11 56 34.375 -57 40 09.59 – V C57
2021-04-21 09:24:05 s 1 +16213.746 0 +381645.13 4200.0 – C57
2021-04-21 09:34:05 S 11 56 33.890 -57 40 00.48 – V C57
2021-04-21 09:34:05 s 1 +15839.096 0 +381716.90 7330.0 – C57
2021-04-21 09:44:05 S 11 56 33.725 -57 39 52.02 – V C57
2021-04-21 09:44:05 s 1 +15464.408 0 +381787.67 420.0 – C57
2021-04-21 09:54:05 S 11 56 32.676 -57 39 45.11 – V C57
2021-04-21 09:54:05 s 1 +15089.684 0 +381857.45 3460.0 – C57
2021-04-21 10:04:05 S 11 56 32.842 -57 39 35.86 – V C57
2021-04-21 10:04:05 s 1 +14714.924 0 +381926.23 6460.0 – C57
2021-04-21 10:24:05 S 11 56 31.202 -57 39 17.39 – V C57
2021-04-21 10:24:05 s 1 +13965.301 0 +382060.80 2340.0 – C57
2021-04-21 12:04:05 S 11 56 26.225 -57 37 45.01 – V C57