7977 (1977 QQ5)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4662168238 ± 5.20e-09
Semi-major axis (a)2.2255579390 AU ± 1.69e-09
Inclination (i)25.16608532° ± 5.62e-07
Long. of Asc. Node (Ω)134.12462345° ± 8.12e-07
Arg. of Perihelion (ω)248.10411669° ± 1.01e-06
Mean Anomaly (M)172.08491138° ± 1.57e-06
Mean Motion (n)0.2968615281°/day ± 3.39e-10
Perihelion dist (q)1.18796539 AU ± 1.16e-08
Aphelion dist (Q)3.26315049 AU ± 1.18e-08
Orbital Period3.32015499 yr ± 3.79e-09
Physical Parameters
H (abs. magnitude)15.15
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.051″
Uncertainty0
Orbit TypeAmor
MOID0.354605 AU
Observations Used1725
Gaia Obs Used100
Oppositions43
Arc Total1955-2026
First Observation Used1955-03-23
Last Observation Used2026-04-01
Observations (1786)
Date Type RA Dec Mag Band Observatory
2010-07-27 21:14:06 C 17 24 32.23 +01 32 02.3 u 160
2010-07-27 21:17:48 C 17 24 32.07 +01 31 59.1 u 160
2010-07-27 21:21:46 C 17 24 31.93 +01 31 56.0 u 160
2010-08-20 10:11:47 C 17 15 34.09 -06 35 17.5 r E12
2010-08-20 10:44:48 C 17 15 34.23 -06 35 47.2 r E12
2010-08-20 11:01:20 C 17 15 34.30 -06 36 02.7 r E12
2010-08-28 07:32:24 C 17 17 45.674 -09 23 49.26 L F51
2010-08-28 07:48:05 C 17 17 45.944 -09 24 03.09 L F51
2010-09-03 02:59:34 C 17 21 01.39 -11 25 56.6 17.8 c 704
2010-09-03 03:33:58 C 17 21 02.32 -11 26 25.8 18.4 c 704
2010-09-03 03:50:53 C 17 21 02.75 -11 26 40.4 18.4 c 704
2010-09-03 04:07:53 C 17 21 03.21 -11 26 54.9 18.3 c 704
2010-09-08 00:51:59 S 17 24 50.700 -13 07 00.62 L C51
2010-09-08 10:23:21 S 17 25 11.786 -13 15 06.98 L C51
2010-09-08 13:33:52 S 17 25 18.852 -13 17 47.76 L C51
2010-09-08 15:09:02 S 17 25 22.411 -13 19 08.47 L C51
2010-09-08 15:09:13 S 17 25 22.344 -13 19 09.12 L C51
2010-09-08 18:19:33 S 17 25 29.568 -13 21 49.54 L C51
2010-09-09 00:40:35 S 17 25 44.062 -13 27 10.91 L C51
2010-09-09 03:50:55 S 17 25 51.338 -13 29 52.55 L C51
2010-09-09 07:01:26 S 17 25 58.714 -13 32 33.90 L C51
2011-11-23 11:43:16 C 12 15 01.24 +09 48 56.5 o 691
2011-11-23 12:01:36 C 12 15 02.17 +09 48 55.2 o 691
2011-11-23 12:20:00 C 12 15 03.02 +09 48 55.2 o 691
2012-02-21 08:06:25 C 12 57 01.40 +19 29 05.7 r 703
2012-02-21 08:11:21 C 12 57 01.22 +19 29 08.7 r 703
2012-02-21 08:16:15 C 12 57 01.08 +19 29 11.6 r 703
2012-02-21 08:21:10 C 12 57 00.97 +19 29 13.3 r 703
2012-02-26 11:49:43 C 12 53 58.09 +20 35 58.2 r 703
2012-02-26 11:56:17 C 12 53 57.91 +20 36 00.6 r 703
2012-02-26 12:03:05 C 12 53 57.80 +20 36 04.7 r 703
2012-02-26 12:09:52 C 12 53 57.55 +20 36 08.7 r 703
2012-02-28 02:38:48 C 12 52 53.41 +20 56 50.9 18.9 c J43
2012-02-28 02:55:31 C 12 52 52.87 +20 56 59.5 18.9 c J43
2012-02-28 03:12:14 C 12 52 52.40 +20 57 08.8 19.1 c J43
2012-02-28 03:29:00 C 12 52 51.88 +20 57 17.8 18.9 c J43
2012-03-14 08:40:20 C 12 40 16.040 +24 01 17.42 L F51
2012-03-14 09:03:53 C 12 40 15.084 +24 01 28.30 L F51
2012-03-14 09:21:17 C 12 40 14.380 +24 01 36.34 L F51
2012-03-14 09:37:45 C 12 40 13.718 +24 01 43.91 L F51
2012-03-29 06:24:45 C 12 25 33.38 +26 18 34.3 r 703
2012-03-29 06:36:06 C 12 25 32.98 +26 18 38.6 r 703
2012-03-29 06:47:38 C 12 25 32.34 +26 18 42.5 r 703
2012-03-29 06:59:06 C 12 25 31.94 +26 18 44.1 r 703
2012-04-01 11:15:11 C 12 22 23.804 +26 40 19.46 L F51
2012-04-01 11:33:38 C 12 22 23.029 +26 40 24.25 L F51
2012-04-01 12:09:55 C 12 22 21.509 +26 40 33.77 L F51
2013-02-15 15:02:00 C 16 25 15.784 +04 22 10.32 L F51
2013-02-15 15:08:39 C 16 25 16.002 +04 22 11.70 L F51
2013-02-15 15:15:17 C 16 25 16.218 +04 22 13.19 L F51