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
2024-07-10 07:01:15 C 14 00 56.402 +15 19 44.83 V T05
2024-07-10 07:06:28 C 14 00 56.506 +15 19 40.55 V T05
2024-07-10 07:27:50 C 14 00 56.983 +15 19 23.63 V T05
2024-07-10 17:11:11 C 14 01 11.01 +15 11 31.7 u N56
2024-07-10 17:30:16 C 14 01 11.50 +15 11 15.7 u N56
2024-07-10 17:52:03 C 14 01 12.03 +15 10 58.7 u N56
2024-07-10 18:11:07 C 14 01 12.41 +15 10 43.2 u N56
2024-07-11 06:08:33 C 14 01 30.396 +15 01 05.34 V T08
2024-07-11 06:13:19 C 14 01 30.526 +15 01 01.81 V T08
2024-07-11 06:21:33 C 14 01 30.730 +15 00 55.30 V T08
2024-07-11 06:42:32 C 14 01 31.205 +15 00 38.34 V T08
2024-07-12 00:00:41 C 14 01 57.866 +14 46 43.43 V W68
2024-07-12 00:05:18 C 14 01 57.953 +14 46 39.43 V W68
2024-07-12 00:14:27 C 14 01 58.138 +14 46 31.73 V W68
2024-07-12 00:28:51 C 14 01 58.505 +14 46 20.57 V W68
2024-07-13 06:38:51 C 14 02 46.889 +14 21 45.61 V T08
2024-07-13 06:42:59 C 14 02 47.006 +14 21 41.83 V T08
2024-07-13 06:51:40 C 14 02 47.177 +14 21 34.52 V T08
2024-07-13 07:05:50 C 14 02 47.614 +14 21 22.86 V T08
2024-07-14 07:43:50 C 14 03 29.162 +14 01 19.81 V T05
2024-07-14 07:54:35 C 14 03 29.436 +14 01 10.60 V T05
2024-07-14 07:59:09 C 14 03 29.568 +14 01 06.10 V T05
2024-07-14 08:17:11 C 14 03 30.134 +14 00 54.83 V T05
2024-07-15 06:08:56 C 14 04 08.717 +13 43 01.52 V T08
2024-07-15 06:13:50 C 14 04 08.892 +13 42 57.53 V T08
2024-07-15 06:21:25 C 14 04 09.082 +13 42 51.16 V T08
2024-07-15 07:11:43 C 14 04 10.464 +13 42 09.90 V T08
2024-07-16 00:15:36 C 14 04 41.690 +13 28 17.29 V W68
2024-07-16 00:20:09 C 14 04 41.822 +13 28 13.98 V W68
2024-07-16 00:42:44 C 14 04 42.506 +13 27 55.87 V W68
2024-07-16 00:52:34 C 14 04 42.768 +13 27 46.76 V W68
2024-07-17 07:00:11 C 14 05 39.590 +13 02 59.17 V T05
2024-07-17 07:04:17 C 14 05 39.734 +13 02 56.72 V T05
2024-07-17 07:14:21 C 14 05 39.984 +13 02 47.54 V T05
2024-07-17 07:43:44 C 14 05 40.966 +13 02 23.93 V T05
2024-07-19 07:12:26 C 14 07 15.883 +12 23 19.64 V T08
2024-07-19 07:17:05 C 14 07 16.046 +12 23 16.91 V T08
2024-07-19 07:48:51 C 14 07 17.066 +12 22 49.40 V T08
2024-07-19 08:11:27 C 14 07 17.832 +12 22 30.97 V T08
2024-07-23 06:05:48 C 14 10 43.874 +11 04 51.49 V T08
2024-07-23 06:09:57 C 14 10 44.014 +11 04 48.07 V T08
2024-07-23 06:17:32 C 14 10 44.314 +11 04 41.52 V T08
2024-07-23 06:34:34 C 14 10 44.914 +11 04 27.52 V T08
2024-07-27 07:02:34 C 14 14 40.162 +09 44 14.78 V T08
2024-07-27 07:07:14 C 14 14 40.356 +09 44 10.61 V T08
2024-07-27 07:36:02 C 14 14 41.575 +09 43 46.81 V T08
2024-07-28 00:05:18 C 14 15 24.288 +09 30 06.98 V W68
2024-07-28 00:29:53 C 14 15 25.334 +09 29 46.79 V W68
2024-07-28 00:34:27 C 14 15 25.481 +09 29 42.47 V W68
2024-07-28 00:55:05 C 14 15 26.311 +09 29 26.34 V W68
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)