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
2002-01-04 17:29:41 C 10 46 13.21 -00 28 31.7 349
2002-01-04 17:31:54 C 10 46 13.20 -00 28 28.1 349
2002-01-04 17:33:59 C 10 46 13.18 -00 28 25.0 349
2002-01-08 10:56:26 C 10 45 12.87 +01 56 28.4 16.1 c 608
2002-01-08 11:11:24 C 10 45 12.56 +01 56 53.6 16.5 c 608
2002-01-08 11:26:44 C 10 45 12.25 +01 57 19.5 16.5 c 608
2002-01-10 16:53:30 C 10 44 08.49 +03 29 18.6 d 349
2002-01-10 16:55:20 C 10 44 08.43 +03 29 21.8 d 349
2002-01-10 16:57:10 C 10 44 08.37 +03 29 25.1 d 349
2002-01-10 16:59:47 C 10 44 08.30 +03 29 29.5 d 349
2002-01-11 08:38:58 C 10 43 46.06 +03 57 12.2 15.4 c 704
2002-01-11 09:01:06 C 10 43 45.42 +03 57 51.5 15.4 c 704
2002-01-11 09:22:39 C 10 43 44.75 +03 58 29.3 15.6 c 704
2002-01-11 09:44:33 C 10 43 44.14 +03 59 08.6 15.4 c 704
2002-01-13 10:57:40 C 10 42 21.49 +05 28 18.9 15.4 c 704
2002-01-13 11:19:51 C 10 42 20.73 +05 28 59.6 16.1 c 704
2002-01-13 11:42:01 C 10 42 19.93 +05 29 40.4 15.6 c 704
2002-01-13 12:04:13 C 10 42 19.18 +05 30 21.4 15.3 c 704
2002-01-13 12:26:25 C 10 42 18.39 +05 31 02.4 15.4 c 704
2002-01-18 09:36:50 C 10 37 53.27 +09 14 10.7 15.3 c 704
2002-01-18 09:58:53 C 10 37 52.18 +09 14 53.8 15.4 c 704
2002-01-18 10:23:13 C 10 37 51.00 +09 15 41.4 15.4 c 704
2002-01-18 11:08:14 C 10 37 48.76 +09 17 09.2 16.0 c 704
2002-01-18 23:51:11 C 10 37 14.96 +09 42 03.0 c 587
2002-01-18 23:54:48 C 10 37 14.85 +09 42 11.6 c 587
2002-01-18 23:58:25 C 10 37 14.60 +09 42 17.2 c 587
2002-01-19 09:27:56 C 10 36 47.65 +10 01 02.7 15.6 c 704
2002-01-19 09:28:17 C 10 36 47.60 +10 01 04.6 15.7 c 704
2002-01-19 09:43:22 C 10 36 46.84 +10 01 33.5 15.7 c 704
2002-01-19 09:43:33 C 10 36 46.83 +10 01 33.6 15.8 c 704
2002-01-19 09:49:45 C 10 36 46.51 +10 01 46.0 15.9 c 704
2002-01-19 09:50:07 C 10 36 46.45 +10 01 47.3 16.0 c 704
2002-01-19 10:06:40 C 10 36 45.64 +10 02 19.5 15.9 c 704
2002-01-19 10:06:51 C 10 36 45.63 +10 02 19.6 16.3 c 704
2002-01-19 10:11:35 C 10 36 45.38 +10 02 29.2 16.2 c 704
2002-01-19 10:11:56 C 10 36 45.35 +10 02 30.9 15.8 c 704
2002-01-19 10:28:23 C 10 36 44.51 +10 03 02.3 15.8 c 704
2002-01-19 10:28:34 C 10 36 44.55 +10 03 02.7 16.3 c 704
2002-01-19 10:33:24 C 10 36 44.24 +10 03 12.0 15.5 c 704
2002-01-19 10:33:46 C 10 36 44.16 +10 03 13.7 15.5 c 704
2002-01-19 10:50:00 C 10 36 43.37 +10 03 44.9 15.3 c 704
2002-01-19 10:51:14 C 10 36 43.32 +10 03 47.1 15.2 c 704
2002-01-21 07:23:21 C 10 34 31.22 +11 32 13.2 15.5 c 704
2002-01-21 07:44:55 C 10 34 30.00 +11 32 56.2 16.1 c 704
2002-01-21 08:06:25 C 10 34 28.78 +11 33 39.6 15.4 c 704
2002-01-21 08:28:00 C 10 34 27.56 +11 34 22.8 15.3 c 704
2002-01-21 08:50:02 C 10 34 26.50 +11 35 08.6 17.2 c 704
2002-02-03 04:10:16 C 10 14 12.34 +21 39 13.8 m 450
2002-02-03 04:32:56 C 10 14 10.50 +21 39 56.4 m 450
2002-02-03 04:55:32 C 10 14 08.78 +21 40 39.2 m 450
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)