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
2021-09-25 20:38:48	C	00 29 00.05	+19 06 38.5	–	V	G00
2021-09-25 20:39:54	C	00 28 59.96	+19 06 38.4	–	V	G00
2021-09-25 20:41:02	C	00 28 59.90	+19 06 38.8	–	V	G00
2021-09-25 20:42:38	C	00 28 59.80	+19 06 38.7	–	V	G00
2021-09-25 20:43:46	C	00 28 59.73	+19 06 39.3	–	V	G00
2021-09-25 20:44:53	C	00 28 59.66	+19 06 39.3	–	V	G00
2021-09-25 20:46:01	C	00 28 59.58	+19 06 39.6	–	V	G00
2021-09-25 20:47:09	C	00 28 59.53	+19 06 39.7	–	V	G00
2021-09-25 20:48:15	C	00 28 59.44	+19 06 39.8	–	V	G00
2021-09-25 22:09:58	C	00 28 54.08	+19 06 53.6	–	Y	557
2021-09-25 23:21:06	C	00 28 49.40	+19 07 05.4	–	Y	557
2021-09-26 00:15:59	C	00 28 45.78	+19 07 14.2	–	Y	557
2021-09-26 18:45:08	C	00 27 34.70	+19 10 12.4	–	V	D29
2021-09-26 19:05:30	C	00 27 33.32	+19 10 15.2	–	V	D29
2021-09-26 19:25:52	C	00 27 31.94	+19 10 18.1	–	V	D29
2021-09-26 19:48:39	C	00 27 31.76	+19 10 17.6	–	V	G02
2021-09-26 19:53:50	C	00 27 31.40	+19 10 18.7	–	V	G02
2021-09-26 19:59:03	C	00 27 31.04	+19 10 19.3	–	V	G02
2021-09-28 07:08:10	C	00 25 10.58	+19 15 20.5	–	U	I41
2021-09-28 07:09:33	C	00 25 10.48	+19 15 20.7	–	U	I41
2021-09-28 08:55:27	C	00 25 02.79	+19 15 34.2	–	U	I41
2021-09-28 08:59:33	C	00 25 02.50	+19 15 34.7	–	U	I41
2021-09-28 11:01:44	C	00 24 54.26	+19 15 54.6	–	V	T08
2021-09-28 11:05:44	C	00 24 53.96	+19 15 54.9	–	V	T08
2021-09-28 11:41:36	C	00 24 51.33	+19 15 59.2	–	V	T08
2021-09-28 11:49:22	C	00 24 50.76	+19 16 00.2	–	V	T08
2021-09-29 06:49:56	C	00 23 32.876	+19 18 15.22	–	U	F51
2021-09-29 07:03:47	C	00 23 31.06	+19 18 15.2	–	V	703
2021-09-29 07:06:36	C	00 23 31.648	+19 18 17.40	–	U	F51
2021-09-29 07:12:03	C	00 23 30.43	+19 18 16.2	–	V	703
2021-09-29 07:20:16	C	00 23 29.83	+19 18 17.3	–	V	703
2021-09-29 07:23:11	C	00 23 30.424	+19 18 19.57	–	U	F51
2021-09-29 07:28:42	C	00 23 29.19	+19 18 18.1	–	V	703
2021-09-29 07:39:43	C	00 23 29.200	+19 18 21.72	–	U	F51
2021-09-29 18:19:26	C	00 22 43.83	+19 19 22.5	–	Y	557
2021-09-29 18:34:41	C	00 22 42.72	+19 19 24.5	–	Y	557
2021-09-29 19:07:39	C	00 22 40.31	+19 19 28.3	–	Y	557
2021-09-29 19:29:00	C	00 22 38.74	+19 19 30.8	–	Y	557
2021-09-30 10:46:16	C	00 21 31.72	+19 21 12.3	–	V	T05
2021-09-30 10:51:20	C	00 21 31.32	+19 21 12.8	–	V	T05
2021-09-30 11:01:16	C	00 21 30.55	+19 21 13.8	–	V	T05
2021-09-30 11:15:53	C	00 21 29.41	+19 21 15.1	–	V	T05
2021-09-30 18:32:12	C	00 20 58.47	+19 21 44.8	–	Y	557
2021-09-30 19:30:08	C	00 20 54.09	+19 21 50.8	–	Y	557
2021-09-30 20:30:52	C	00 20 49.44	+19 21 56.9	–	Y	557
2021-09-30 21:30:02	C	00 20 44.90	+19 22 02.4	–	Y	557
2021-09-30 22:43:13	C	00 20 39.24	+19 22 09.0	–	Y	557
2021-09-30 23:41:09	C	00 20 34.75	+19 22 13.9	–	Y	557
2021-10-01 00:36:02	C	00 20 30.51	+19 22 18.3	–	Y	557
2021-10-01 01:30:56	C	00 20 26.26	+19 22 22.4	–	Y	557

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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)