Asteroids

2022UU15 help

Last update: 2025-09-10 00:30 UTC

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Aten

Perihelion (q)

0.301

Aphelion (Q)

1.128

Eccentricity (e)

0.579

Inclination (i)

10.0

deg

Orbit period (P)

220.5

Earth MOID

0.03016

U parameter

8.7

Next Earth close approach

Date

2025-10-19

Nominal distance (from Earth center)

0.04212

6301683

Maximum Brightness

23.3

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

mag

Diameter

27 - 60*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2022-10-28

Observatory

Kitt Peak-Bok

ORBIT VISUALISATION TOOLS

External links

Proper elements

Epoch

Near present day

Near middle of observation arc

Orbit properties

Epoch
Semimajor Axis
Eccentricity (e)
Inclination (i)
Long. of Ascending Node (Ω)
Arg. of Perihelion (ω)
Mean Anomaly (M)
Perihelion distance
Aphelion distance
Asc. Node-Earth Sep.
Desc. Node-Earth Sep.
MOID
Orbit Period
U parameter

Value

1-sigma variation

Unit

Epoch

Value

61000.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

0.714286

1-sigma variation

0.000593

Unit

Eccentricity (e)

Value

0.578525

1-sigma variation

0.002803

Unit

Inclination (i)

Value

9.9818

1-sigma variation

0.0671

Unit

Long. of Ascending Node (Ω)

Value

16.3587

1-sigma variation

0.0348

Unit

Arg. of Perihelion (ω)

Value

215.9300

1-sigma variation

0.0469

Unit

Mean Anomaly (M)

Value

156.24505

1-sigma variation

2.07998

Unit

Perihelion distance

Value

0.301054

1-sigma variation

Unit

Aphelion distance

Value

1.127518

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.105081

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.678446

1-sigma variation

Unit

MOID

Value

0.030157

1-sigma variation

Unit

Orbit Period

Value

220.4988

1-sigma variation

Unit

U parameter

Value

8.7

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	3.52040E-7	-1.65522E-6	-3.80270E-5	-1.11587E-5	2.56786E-5	-1.23365E-3
e	-1.65522E-6	7.85481E-6	1.84123E-4	6.03159E-5	-1.25572E-4	5.78504E-3
i	-3.80270E-5	1.84123E-4	4.50138E-3	1.78622E-3	-3.13235E-3	1.32127E-1
Ω	-1.11587E-5	6.03159E-5	1.78622E-3	1.21131E-3	-1.34379E-3	3.74375E-2
ω	2.56786E-5	-1.25572E-4	-3.13235E-3	-1.34379E-3	2.20086E-3	-8.89584E-2
M	-1.23365E-3	5.78504E-3	1.32127E-1	3.74375E-2	-8.89584E-2	4.32630E0

Date of computation: 2025-09-10 00:30 UTC

Note: The ASCII file is in a format suitable for Orbfit input.

Download ASCII file:

Physical properties

Rotation Period
Quality
Amplitude
Rotation Direction
Spinvector L
Spinvector B

Rotational properties

Value

Unit

Source

Rotation Period

Value

Unit

Source

[-]

Quality

Value

Unit

Source

[-]

Amplitude

Value

Unit

mag

Source

[-]

Rotation Direction

Value

Unit

Source

[-]

Spinvector L

Value

Unit

Source

[-]

Spinvector B

Value

Unit

Source

[-]

Taxonomy
Taxonomy (all)

Taxonomy

Value

Unit

Source

Taxonomy

Value

Unit

Source

[-]

Taxonomy (all)

Value

Unit

Source

[-]

Absolute Magnitude (H)
Slope Parameter (G)

H / G

Value

Unit

Source

Absolute Magnitude (H)

Value

24.986

Unit

mag

Source

[1]

Slope Parameter (G)

Value

0.15**

Unit

mag

Source

[1]

Albedo
Diameter

Size and albedo

Value

Unit

Source

Albedo

Value

0.05 - 0.25

Unit

Source

[2]

Diameter

Value

27 - 60*

Unit

Source

[2]

Color Index Information

Color Index Information

Value

Unit

Source

Color Index Information

Value

Unit

mag

Source

[-]

Sightings

Sightings

Value

Unit

Source

Sightings

Value

Unit

Source

[-]

Download this part as:

Sources

No.	Name	Additional
[1]	ESA Aegis	ESA orbit determination and impact monitoring system
[2]	Estimation	Estimated from absolute magnitude

Observational Information

Arc Length
Unobserved
Normalized RMS of residuals

Arc Information

Value

Unit

Source

Arc Length

Value

Unit

Source

[1]

Unobserved

Value

1052

Unit

Source

[1]

Normalized RMS of residuals

Value

0.565875

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2022-10-28.275912

Unit

Source

[2]

Last Observation

Value

2022-10-29.875517

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

16 (2)

Unit

Source

[1]

Radar Summary

First Observation
Last Observation
Delay (Discarded)
Doppler (Discarded)
Total Optical Observations (Discarded)

Radar

Value

Unit

Source

First Observation

Value

Unit

Source

[-]

Last Observation

Value

Unit

Source

[-]

Delay (Discarded)

Value

0 (0)

Unit

Source

[-]

Doppler (Discarded)

Value

0 (0)

Unit

Source

[-]

Total Radar Observations (Discarded)

Value

0 (0)

Unit

Source

[-]

Note: The ASCII file is in a format suitable for Orbfit input.

Sources

No.	Name	Additional
[1]	ESA Aegis	ESA orbit determination and impact monitoring system
[2]	MPC	Minor Planet Center: https://www.minorplanetcenter.net

Computation parameters

As seen from:

Initial Date: *

Final Date: *

Output option:

One line per time step

Time step:*

* - these fields are required

Close Approaches for 2022UU15 from 1950 to 2125

Body	Date in UTC	Time uncert. in min	Nominal distance in au	Min. possible distance in au	Distance uncert. in au
EARTH	1952-10-26 17:04	> 1 mo	0.1228074	0.0145777	23.1986642
EARTH	1955-10-19 22:18	> 1 mo	0.0376334	0.0291078	19.4436548
EARTH	1958-10-19 14:37	> 1 mo	0.0956027	0.0264258	31.0222197
MERCURY	1961-08-20 00:10	> 1 mo	0.0211092	0.0086038	50.2457752
MERCURY	1962-11-04 18:21	> 1 mo	0.0349399	0.0084528	47.6695846
EARTH	1966-12-10 12:15	> 1 mo	0.1803587	0.1593663	7.6429978
EARTH	1969-12-08 01:24	> 1 mo	0.1548764	0.1497348	1.8925956
EARTH	1972-11-26 16:39	> 1 mo	0.1757248	0.0979460	1.1667462
VENUS	1973-11-07 07:25	> 1 mo	0.0038403	0.0026706	1.6939164
EARTH	1975-11-15 11:27	> 1 mo	0.1770883	0.1637258	0.1755367
EARTH	1978-11-05 21:56	> 1 mo	0.1612281	0.0483178	0.5300656
MERCURY	1979-10-26 18:07	> 1 mo	0.0429385	0.0166092	2.2817177
MERCURY	1981-01-09 04:03	> 1 mo	0.0322893	0.0167392	1.9459937
EARTH	1981-10-28 08:52	> 1 mo	0.1283054	0.0078675	0.7256019
MERCURY	1982-03-25 12:31	> 1 mo	0.0231948	0.0167630	1.4022754
MERCURY	1983-06-08 20:34	> 1 mo	0.0174387	0.0167705	0.3597546
MERCURY	1984-08-22 04:48	> 1 mo	0.0198163	0.0167326	0.8488764
EARTH	1984-10-21 21:51	> 1 mo	0.0793369	0.0255882	0.7104440
MERCURY	1985-11-05 12:00	> 1 mo	0.0285212	0.0166019	1.2071369
MERCURY	1987-01-19 18:27	> 1 mo	0.0392537	0.0165106	1.1957564
EARTH	1987-10-19 18:53	> 1 w	0.0309952	0.0293671	0.2053561
EARTH	1990-10-19 08:09	> 1 d	0.0673679	0.0284766	0.5368525
EARTH	1993-10-20 13:51	> 1 w	0.1437664	0.0264793	0.4539095
VENUS	2003-12-31 00:12	> 1 d	0.0130378	0.0034108	0.1209916
EARTH	2004-12-10 04:33	57.9	0.1670207	0.1524505	0.0393797
EARTH	2007-12-08 17:00	> 1 d	0.1524656	0.1507980	0.0078230
EARTH	2010-11-30 15:35	> 1 w	0.1684336	0.1561001	0.0156472
EARTH	2013-11-19 08:05	> 1 w	0.1791223	0.1773833	0.0018702
MERCURY	2015-05-05 08:22	> 1 d	0.0448783	0.0088889	0.0983352
MERCURY	2016-07-19 02:51	> 1 d	0.0156152	0.0092679	0.0687215
EARTH	2016-11-07 07:14	> 1 d	0.1664941	0.1369361	0.0101905
MERCURY	2017-10-02 23:14	> 1 d	0.0196987	0.0095015	0.0626972
MERCURY	2018-12-18 01:58	> 1 d	0.0470467	0.0094503	0.0543712
EARTH	2019-10-28 12:53	> 1 d	0.1262488	0.0926580	0.0112097
EARTH	2022-10-21 06:29	< 1 min	0.0620699	0.0608765	0.0003978
EARTH	2025-10-19 02:29	54.5	0.0421241	0.0301194	0.0137832
EARTH	2028-10-20 04:17	1307.5	0.1305568	0.0287068	0.0401044
VENUS	2035-12-27 10:52	> 1 d	0.0143656	0.0042375	0.1034623
EARTH	2036-12-10 01:28	116.4	0.1913750	0.1531974	0.0269228
MERCURY	2038-05-06 03:13	529.9	0.0448680	0.0288705	0.0054423
MERCURY	2039-07-21 14:23	> 1 d	0.0168766	0.0155875	0.0264334
EARTH	2039-12-10 10:14	1136.2	0.1518876	0.1505992	0.0044838
MERCURY	2040-10-04 17:38	> 1 d	0.0340912	0.0155880	0.1402122
EARTH	2042-12-02 22:12	> 1 w	0.1649822	0.1542835	0.0383439
EARTH	2045-11-19 22:44	> 1 mo	0.1796797	0.1778603	0.0092710
EARTH	2048-11-05 23:47	> 1 mo	0.1634926	0.0591160	0.1142993
EARTH	2051-10-25 20:38	> 1 mo	0.1081618	0.0189317	0.3107794
EARTH	2054-10-19 22:09	> 1 w	0.0337732	0.0305153	0.2192585
MERCURY	2057-01-03 10:56	> 1 mo	0.0305845	0.0099587	1.3386069
EARTH	2057-10-19 19:53	> 1 w	0.0954862	0.0292183	0.7081713
MERCURY	2058-03-20 15:45	> 1 mo	0.0165932	0.0100012	1.1856833
EARTH	2065-12-10 07:52	> 1 w	0.1950740	0.1512867	0.6658844
EARTH	2068-12-10 02:34	> 1 w	0.1521432	0.1502042	0.1242682
VENUS	2069-10-27 10:02	> 1 mo	0.0092293	0.0052035	1.1896214
EARTH	2071-12-04 23:01	> 1 mo	0.1602000	0.1520125	0.0677470
EARTH	2074-11-25 05:08	> 1 mo	0.1758514	0.1439301	0.2364827
MERCURY	2077-08-08 01:04	> 1 mo	0.0464189	0.0148691	3.5916772
EARTH	2077-11-14 12:17	> 1 mo	0.1766835	0.1656895	0.1547055
MERCURY	2078-10-22 19:24	> 1 mo	0.0288680	0.0148375	4.0171982
MERCURY	2080-01-06 11:46	> 1 mo	0.0156700	0.0147423	1.4913897
EARTH	2080-11-03 19:34	> 1 mo	0.1557580	0.0238632	1.2742250
MERCURY	2081-03-22 02:40	> 1 mo	0.0226300	0.0145508	5.0215638
MERCURY	2082-06-05 17:15	> 1 mo	0.0420179	0.0143109	7.2713139
EARTH	2083-10-26 08:10	> 1 mo	0.1103919	0.0213590	3.1995556
EARTH	2086-10-20 19:02	> 1 mo	0.0492081	0.0308429	4.2152866
EARTH	2089-10-19 10:02	> 1 w	0.0509293	0.0305493	5.7187667
EARTH	2092-10-20 14:01	> 1 mo	0.1344877	0.0283248	8.0696660
VENUS	2101-03-13 17:24	> 1 mo	0.0253351	0.0059876	11.6183728
EARTH	2103-12-12 09:46	> 1 mo	0.1593702	0.1496556	1.3986015
EARTH	2106-12-10 00:40	> 1 d	0.1506129	0.1490698	0.0778091
MERCURY	2109-07-07 06:50	> 1 mo	0.0444801	0.0104596	10.8671054
EARTH	2109-12-03 12:39	> 1 mo	0.1643261	0.1531428	1.3989476
MERCURY	2110-09-20 15:06	> 1 mo	0.0277753	0.0105532	14.0835958
MERCURY	2111-12-05 01:09	> 1 mo	0.0128981	0.0106007	10.0899943
EARTH	2112-11-23 23:22	> 1 mo	0.1774280	0.1709399	1.0926227
MERCURY	2113-02-17 13:04	> 1 mo	0.0165676	0.0106052	17.5880581
MERCURY	2114-05-04 03:09	> 1 mo	0.0330515	0.0104193	26.0754835
EARTH	2115-11-14 19:20	> 1 mo	0.1753070	0.1461554	2.2590152
EARTH	2118-11-04 17:33	> 1 mo	0.1533633	0.0237746	8.6202985
EARTH	2121-10-26 22:15	> 1 mo	0.1098376	0.0201308	17.0436110
EARTH	2124-10-21 15:36	> 1 mo	0.0530345	0.0309569	21.2497955

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
131.25012823	284.45790256	0.03003100	MINIMUM
226.49218925	335.07927448	0.15156287	MINIMUM
189.35166937	315.02874013	0.17912515	SADDLE
4.84285070	136.79505663	0.71295311	SADDLE
4.00314570	315.16154266	1.28833984	SADDLE
180.34341890	130.43901382	2.13494626	MAXIMUM

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MOID Plots

Click on the images to zoom-in and zoom-out