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
2024-07-29 06:20:21 C 14 16 44.028 +09 04 47.53 V T05
2024-07-29 06:25:34 C 14 16 44.268 +09 04 42.85 V T05
2024-07-29 06:34:52 C 14 16 44.626 +09 04 35.40 V T05
2024-07-29 06:49:29 C 14 16 45.286 +09 04 22.48 V T05
2024-08-02 06:07:20 C 14 21 11.306 +07 44 41.17 V T05
2024-08-02 06:12:33 C 14 21 11.527 +07 44 36.96 V T05
2024-08-02 06:20:21 C 14 21 11.914 +07 44 30.52 V T05
2024-08-02 06:34:51 C 14 21 12.614 +07 44 17.88 V T05
2024-08-02 17:31:53 C 14 21 44.642 +07 35 13.60 V M22
2024-08-02 17:36:27 C 14 21 44.885 +07 35 09.67 V M22
2024-08-02 17:44:17 C 14 21 45.223 +07 35 02.83 V M22
2024-08-02 17:58:29 C 14 21 45.869 +07 34 51.28 V M22
2024-08-06 06:05:44 C 14 26 00.559 +06 24 15.80 V T05
2024-08-06 06:10:57 C 14 26 00.874 +06 24 11.70 V T05
2024-08-06 06:18:46 C 14 26 01.248 +06 24 04.68 V T05
2024-08-06 06:33:16 C 14 26 01.978 +06 23 53.12 V T05
2024-08-14 05:52:20 C 14 36 39.960 +03 43 32.02 V T05
2024-08-14 05:56:53 C 14 36 40.270 +03 43 28.06 V T05
2024-08-14 06:07:57 C 14 36 40.894 +03 43 18.73 V T05
2024-08-14 06:24:53 C 14 36 41.846 +03 43 02.78 V T05
2024-08-18 06:39:23 C 14 42 32.162 +02 22 35.40 V T05
2024-08-18 06:44:36 C 14 42 32.472 +02 22 31.40 V T05
2024-08-18 06:53:43 C 14 42 33.074 +02 22 22.94 V T05
2024-08-18 07:09:04 C 14 42 33.958 +02 22 09.88 V T05
2024-08-22 17:49:41 C 14 49 24.578 +00 53 19.18 V M22
2024-08-22 17:54:14 C 14 49 24.830 +00 53 14.71 V M22
2024-08-22 18:03:59 C 14 49 25.450 +00 53 06.22 V M22
2024-08-22 18:22:20 C 14 49 26.681 +00 52 51.53 V M22
2024-08-31 05:42:06 C 15 03 32.455 -01 55 44.58 V T05
2024-08-31 05:46:08 C 15 03 32.714 -01 55 48.11 V T05
2024-08-31 05:53:39 C 15 03 33.276 -01 55 54.05 V T05
2024-08-31 06:08:56 C 15 03 34.356 -01 56 07.30 V T05
2024-09-01 23:37:33 C 15 06 37.226 -02 30 11.63 V W68
2024-09-01 23:45:27 C 15 06 37.795 -02 30 17.75 V W68
2024-09-02 00:00:29 C 15 06 38.892 -02 30 30.56 V W68
2024-09-02 00:01:08 C 15 06 38.863 -02 30 31.39 V W68
2024-09-15 05:28:59 C 15 31 52.718 -06 48 35.82 V T05
2024-09-15 05:33:33 C 15 31 53.074 -06 48 39.46 V T05
2024-09-15 05:41:21 C 15 31 53.770 -06 48 45.40 V T05
2024-09-15 06:03:21 C 15 31 55.620 -06 49 02.71 V T05
2024-09-21 23:45:10 C 15 46 05.434 -08 57 13.75 V W68
2024-09-22 00:11:41 C 15 46 07.858 -08 57 36.36 V W68
2024-09-22 00:16:14 C 15 46 08.258 -08 57 39.49 V W68
2024-09-22 00:39:17 C 15 46 10.370 -08 57 57.92 V W68
2025-03-07 12:47:22 C 02 26 37.377 +02 05 11.30 W O18
2025-03-07 12:58:14 C 02 26 39.349 +02 05 26.25 W O18
2025-03-12 05:31:28 C 02 46 15.778 +04 33 00.40 V T08
2025-03-12 05:39:26 C 02 46 17.136 +04 33 10.08 V T08
2025-03-12 06:02:02 C 02 46 21.034 +04 33 39.53 V T08
2025-03-12 06:06:01 C 02 46 21.667 +04 33 43.99 V T08
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)