3103 Eger (1982 BB)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3541833241 ± 2.00e+00
Semi-major axis (a)1.4039472551 AU ± 3.00e+00
Inclination (i)20.93071887° ± 4.00e+00
Long. of Asc. Node (Ω)129.73173744° ± 5.00e+00
Arg. of Perihelion (ω)254.10494834° ± 6.00e+00
Mean Anomaly (M)181.12184640° ± 8.33e-05
Mean Motion (n)0.5924969077°/day ± 1.90e+00
Perihelion dist (q)0.90669255 AU ± 3.41e+00
Aphelion dist (Q)1.90120196 AU ± 4.94e+00
Orbital Period1.66351296 yr ± 5.33e+00
NGA Modelr2
A24.86502687e-06 AU/d²
Physical Parameters
H (abs. magnitude)15.30
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-26
RMS Residual0.341″
Uncertainty0
Orbit TypeApollo
MOID0.078006 AU
Observations Used7901
Radar Obs Used4
Gaia Obs Used108
Oppositions14
Arc Total1982-2017
First Observation Used1982-02-02
Last Observation Used2026-04-05
Observations (11858)
Date Type RA Dec Mag Band Observatory
2022-02-09 11:03:52 s 1 -202582.81 0 +106271.86 2570.0 C57
2022-02-09 11:13:52 S 10 50 26.282 +24 54 31.72 V C57
2022-02-09 11:13:52 s 1 -202524.72 9 +105500.63 4880.0 C57
2022-02-09 11:23:52 S 10 50 25.438 +24 54 47.52 V C57
2022-02-09 11:23:52 s 1 -202464.71 1 +104728.39 8290.0 C57
2022-02-09 11:33:52 S 10 50 24.605 +24 55 02.89 V C57
2022-02-09 11:33:52 s 1 -202402.74 7 +103955.14 2760.0 C57
2022-02-09 11:43:52 S 10 50 23.743 +24 55 18.48 V C57
2022-02-09 11:43:52 s 1 -202338.82 8 +103180.89 8240.0 C57
2022-02-09 11:53:52 S 10 50 22.927 +24 55 33.96 V C57
2022-02-09 11:53:52 s 1 -202272.94 4 +102405.63 4700.0 C57
2022-02-09 12:03:52 S 10 50 22.128 +24 55 49.48 V C57
2022-02-09 12:03:52 s 1 -202205.08 8 +101629.38 2090.0 C57
2022-02-09 12:13:52 S 10 50 21.257 +24 56 05.14 V C57
2022-02-09 12:13:52 s 1 -202135.24 9 +100852.12 390.0 C57
2022-02-09 12:23:52 S 10 50 20.393 +24 56 20.76 V C57
2022-02-09 12:23:52 s 1 -202063.41 9 +100073.87 9550.0 C57
2022-02-09 12:33:52 S 10 50 19.505 +24 56 37.43 V C57
2022-02-09 12:33:52 s 1 -201989.58 8 +99294.632 9540.0 C57
2022-02-09 12:43:52 S 10 50 18.634 +24 56 52.87 V C57
2022-02-09 12:43:52 s 1 -201913.74 7 +98514.399 300.0 C57
2022-02-09 12:53:52 S 10 50 17.753 +24 57 08.28 V C57
2022-02-09 12:53:52 s 1 -201835.88 7 +97733.180 1810.0 C57
2022-02-09 12:55:28 C 10 50 11.42 +24 56 46.9 V T08
2022-02-09 13:00:08 C 10 50 11.07 +24 56 54.3 V T08
2022-02-09 13:03:52 S 10 50 17.002 +24 57 24.12 V C57
2022-02-09 13:03:52 s 1 -201755.99 8 +96950.977 4020.0 C57
2022-02-09 13:07:32 C 10 50 10.51 +24 57 06.0 V T08
2022-02-09 13:13:52 S 10 50 16.118 +24 57 39.56 V C57
2022-02-09 13:13:52 s 1 -201674.07 1 +96167.794 6890.0 C57
2022-02-09 13:22:04 C 10 50 09.40 +24 57 28.8 V T08
2022-02-09 13:23:52 S 10 50 15.281 +24 57 54.54 V C57
2022-02-09 13:23:52 s 1 -201590.09 6 +95383.633 390.0 C57
2022-02-09 13:33:52 S 10 50 14.400 +24 58 11.24 V C57
2022-02-09 13:33:52 s 1 -201504.06 5 +94598.497 4460.0 C57
2022-02-09 13:43:52 S 10 50 13.543 +24 58 26.08 V C57
2022-02-09 13:43:52 s 1 -201415.96 7 +93812.389 9080.0 C57
2022-02-09 13:53:52 S 10 50 12.667 +24 58 42.28 V C57
2022-02-09 13:53:52 s 1 -201325.79 2 +93025.313 4190.0 C57
2022-02-09 14:03:52 S 10 50 11.786 +24 58 58.04 V C57
2022-02-09 14:03:52 s 1 -201233.53 1 +92237.272 9770.0 C57
2022-02-09 14:13:52 S 10 50 10.970 +24 59 14.39 V C57
2022-02-09 14:13:52 s 1 -201139.17 5 +91448.269 5750.0 C57
2022-02-09 14:23:52 S 10 50 10.162 +24 59 29.04 V C57
2022-02-09 14:23:52 s 1 -201042.71 3 +90658.308 2120.0 C57
2022-02-09 14:33:52 S 10 50 09.305 +24 59 44.16 V C57
2022-02-09 14:33:52 s 1 -200944.13 6 +89867.392 8810.0 C57
2022-02-09 14:43:52 S 10 50 08.484 +24 59 59.39 V C57
2022-02-09 14:43:52 s 1 -200843.43 3 +89075.524 5800.0 C57
2022-02-09 14:53:52 S 10 50 07.618 +25 00 15.95 V C57
Radar Observations (8)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
1986-07-18 07:50:00 202602 6 Hz 2380 -1 -1
1986-07-18.326389 20260200 600 Hz 2380 251 251
1996-07-29 09:10:00 469654 5 Hz 8510 -14 -14
1996-07-29 13:00:00 133166634 10 us 8510 -14 -14
1996-07-29.381944 46965400 500 Hz 8510 253 253
1996-07-29.541667 13316663400 10000 us 8510 253 253
1996-07-30 10:50:00 410012.2 5 Hz 8510 -14 -14
1996-07-30.451389 41001220 500 Hz 8510 253 253
Station codes
-14 DSS-14 Goldstone (70-m) -1 Arecibo (305-m, 1963–2020)