7341 (1991 VK)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar ⇩ Gaia

Orbital Elements

Epoch (TDB)	2025-11-21 (JD 2461000.5)
Eccentricity (e)	0.5061419644 ± 2.00e+00
Semi-major axis (a)	1.8416500846 AU ± 3.00e+00
Inclination (i)	5.40998079° ± 4.00e+00
Long. of Asc. Node (Ω)	294.72384111° ± 5.00e+00
Arg. of Perihelion (ω)	173.50914524° ± 6.00e+00
Mean Anomaly (M)	195.60461677° ± 8.67e-06
Mean Motion (n)	0.3943679385°/day ± 9.64e-01
Perihelion dist (q)	0.90951369 AU ± 3.97e+00
Aphelion dist (Q)	2.77378648 AU ± 5.83e+00
Orbital Period	2.49925561 yr ± 6.11e+00
NGA Model	r2
A2	3.86027242e-06 AU/d²

Physical Parameters

H (abs. magnitude)	16.96
G (slope)	0.15

Alternative Designations

1981 UX12, 1991 TS1

Orbit Solution

Source	IAA
Solution Date	2026-04-26
RMS Residual	0.284″
Uncertainty	0
Orbit Type	Apollo
MOID	0.047842 AU
Observations Used	2241
Radar Obs Used	9
Gaia Obs Used	55
Oppositions	22
Arc Total	1981-2017
First Observation Used	1991-09-12
Last Observation Used	2023-07-22

Observations (2384)

Date	Type	RA	Dec	Mag	Band	Observatory
2021-09-16 07:27:28	C	00 40 43.62	+18 15 29.6	–	V	703
2021-09-16 07:27:48	C	00 40 43.62	+18 15 30.0	–	V	G96
2021-09-16 07:35:21	C	00 40 43.29	+18 15 32.0	–	V	G96
2021-09-16 07:42:52	C	00 40 42.96	+18 15 34.2	–	V	G96
2021-09-20 00:22:08	C	00 36 47.20	+18 38 14.6	–	V	Z28
2021-09-20 00:29:53	C	00 36 46.79	+18 38 16.6	–	V	Z28
2021-09-20 00:37:39	C	00 36 46.38	+18 38 18.4	17.2	V	Z28
2021-09-20 06:38:21	C	00 36 29.10	+18 39 44.3	–	U	I41
2021-09-20 06:39:42	C	00 36 29.02	+18 39 44.5	–	U	I41
2021-09-20 07:34:50	C	00 36 26.11	+18 39 57.8	–	U	I41
2021-09-20 07:40:16	C	00 36 25.82	+18 39 59.2	–	U	I41
2021-09-20 10:46:00	C	00 36 15.94	+18 40 41.8	–	U	I41
2021-09-24 11:40:47	C	00 30 59.67	+19 01 01.3	–	V	T08
2021-09-24 11:45:47	C	00 30 59.34	+19 01 02.1	–	V	T08
2021-09-24 11:53:46	C	00 30 58.82	+19 01 03.6	–	V	T08
2021-09-24 12:07:48	C	00 30 57.95	+19 01 06.0	–	V	T08
2021-09-24 19:23:36	C	00 30 32.96	+19 02 16.1	–	V	G00
2021-09-24 19:24:50	C	00 30 32.92	+19 02 16.4	–	V	G00
2021-09-24 19:26:04	C	00 30 32.84	+19 02 16.7	–	V	G00
2021-09-24 19:27:20	C	00 30 32.74	+19 02 16.8	–	V	G00
2021-09-24 19:28:33	C	00 30 32.68	+19 02 17.5	–	V	G00
2021-09-24 19:29:48	C	00 30 32.60	+19 02 17.5	–	V	G00
2021-09-24 19:31:03	C	00 30 32.54	+19 02 17.6	–	V	G00
2021-09-24 19:32:18	C	00 30 32.47	+19 02 17.9	–	V	G00
2021-09-24 19:33:31	C	00 30 32.38	+19 02 18.1	–	V	G00
2021-09-24 19:34:46	C	00 30 32.31	+19 02 18.3	–	V	G00
2021-09-24 19:36:01	C	00 30 32.22	+19 02 18.6	–	V	G00
2021-09-24 19:37:16	C	00 30 32.14	+19 02 18.9	–	V	G00
2021-09-24 19:38:29	C	00 30 32.07	+19 02 19.1	–	V	G00
2021-09-24 19:39:44	C	00 30 31.99	+19 02 19.4	–	V	G00
2021-09-24 19:40:59	C	00 30 31.91	+19 02 19.6	–	V	G00
2021-09-24 19:42:12	C	00 30 31.84	+19 02 19.7	–	V	G00
2021-09-24 19:43:27	C	00 30 31.77	+19 02 20.1	–	V	G00
2021-09-24 19:44:42	C	00 30 31.69	+19 02 20.2	–	V	G00
2021-09-24 19:45:57	C	00 30 31.60	+19 02 20.6	–	V	G00
2021-09-24 19:47:10	C	00 30 31.53	+19 02 20.8	–	V	G00
2021-09-25 01:52:52	C	00 30 08.40	+19 03 25.9	–	Y	557
2021-09-25 02:47:44	C	00 30 04.96	+19 03 35.0	–	Y	557
2021-09-25 03:42:38	C	00 30 01.53	+19 03 43.8	–	Y	557
2021-09-25 20:17:27	C	00 29 01.44	+19 06 34.5	–	V	G00
2021-09-25 20:18:36	C	00 29 01.36	+19 06 34.8	–	V	G00
2021-09-25 20:19:43	C	00 29 01.29	+19 06 34.8	–	V	G00
2021-09-25 20:20:49	C	00 29 01.21	+19 06 35.1	–	V	G00
2021-09-25 20:21:58	C	00 29 01.14	+19 06 35.3	–	V	G00
2021-09-25 20:23:04	C	00 29 01.08	+19 06 35.6	–	V	G00
2021-09-25 20:24:12	C	00 29 01.00	+19 06 35.7	–	V	G00
2021-09-25 20:25:20	C	00 29 00.92	+19 06 35.9	–	V	G00
2021-09-25 20:26:26	C	00 29 00.84	+19 06 36.0	–	V	G00
2021-09-25 20:27:34	C	00 29 00.79	+19 06 36.2	–	V	G00
2021-09-25 20:37:39	C	00 29 00.12	+19 06 38.1	–	V	G00

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Radar Observations (22)

Epoch (UTC)	Value	Sigma	Units	Freq (MHz)	Receiver	Transmitter
1997-01-10 18:20:00	3731	5	Hz	8510	-14	-14
1997-01-10.763889	373100	500	Hz	8510	253	253
1997-01-11 19:10:00	75008124	5	us	8510	-14	-14
1997-01-11.798611	7500812400	5000	us	8510	253	253
2007-01-03 20:11:00	116048715	3	us	2380	-1	-1
2007-01-03.840972	11604871500	3000	us	2380	251	251
2007-01-05 19:44:00	107738375	3	us	2380	-1	-1
2007-01-05.822222	10773837500	3000	us	2380	251	251
2012-01-04 19:48:00	130959255.88	4	us	2380	-1	-1
2012-01-04.825000	13095925588	4000	us	2380	251	251
2012-01-05 20:03:00	126342351.27	1.5	us	2380	-1	-1
2012-01-05 20:03:00	125051.5857	2	Hz	2380	-1	-1
2012-01-05.835417	12634235127	1500	us	2380	251	251
2012-01-06 19:57:00	121823721.51	1.5	us	2380	-1	-1
2012-01-06 19:57:00	124021.9515	1	Hz	2380	-1	-1
2012-01-06.831250	12182372151	1500	us	2380	251	251
2012-01-16 00:00:00	84103212.02	6	us	8560	-14	-14
2012-01-16.000000	8410321202	6000	us	8560	253	253
2012-01-20 22:10:00	70243830.8	4	us	8560	-14	-14
2012-01-20.923611	7024383080	4000	us	8560	253	253
2017-01-04 20:19:00	128728700.47	4	us	2380	-1	-1
2017-01-16 22:00:00	79320383.6	2	us	8560	-14	-14

Station codes

-14 DSS-14 Goldstone (70-m) -1 Arecibo (305-m, 1963–2020)