Asteroids

2023UY3 help

Last update: 2025-05-15 00:02 UTC

Orbital Properties

Epoch

60800.0

MJD

Orbit type

Apollo

Perihelion (q)

0.876

Aphelion (Q)

1.187

Eccentricity (e)

0.151

Inclination (i)

4.2

deg

Orbit period (P)

382.9

Earth MOID

0.00216

U parameter

2.4

Next Earth close approach

Date

2044-10-23

Nominal distance (from Earth center)

0.17212

25749016

Maximum Brightness

mag

Risk

Object is not in risk list

Object is not in priority list

Physical Properties

Absolute Magnitude (H)

26.8

mag

Diameter

12 - 26*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2023-10-19

Observatory

Pan-STARRS 1, Haleakala

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

60800.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

1.031881

1-sigma variation

1.366E-7

Unit

Eccentricity (e)

Value

0.150783

1-sigma variation

4.825E-7

Unit

Inclination (i)

Value

4.1745

1-sigma variation

8.112E-6

Unit

Long. of Ascending Node (Ω)

Value

30.4085

1-sigma variation

1.143E-5

Unit

Arg. of Perihelion (ω)

Value

93.0646

1-sigma variation

1.517E-5

Unit

Mean Anomaly (M)

Value

87.28440

1-sigma variation

0.00007

Unit

Perihelion distance

Value

0.876291

1-sigma variation

Unit

Aphelion distance

Value

1.187471

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.022030

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.004519

1-sigma variation

Unit

MOID

Value

0.002160

1-sigma variation

Unit

Orbit Period

Value

382.8626

1-sigma variation

Unit

U parameter

Value

2.4

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.86723E-14	6.58964E-14	9.45685E-13	5.65309E-13	1.42640E-12	-8.88809E-12
e	6.58964E-14	2.32759E-13	3.36118E-12	1.92789E-12	4.99849E-12	-3.12157E-11
i	9.45685E-13	3.36118E-12	6.58046E-11	2.75056E-11	5.99944E-11	-4.30014E-10
Ω	5.65309E-13	1.92789E-12	2.75056E-11	1.30704E-10	-1.10289E-11	-3.50383E-10
ω	1.42640E-12	4.99849E-12	5.99944E-11	-1.10289E-11	2.30047E-10	-7.62623E-10
M	-8.88809E-12	-3.12157E-11	-4.30014E-10	-3.50383E-10	-7.62623E-10	4.45040E-9

Date of computation: 2025-05-15 00:02 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

26.789

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

12 - 26*

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

566

Unit

Source

[1]

Unobserved

Value

Unit

Source

[1]

Normalized RMS of residuals

Value

0.624641

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2023-10-15.334466

Unit

Source

[2]

Last Observation

Value

2025-05-03.591486

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

25 (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 2023UY3 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	1966-10-25 10:06	155.3	0.0265091	0.0217382	0.0015922
EARTH	1967-09-12 12:34	> 1 d	0.1399806	0.1366333	0.0011178
EARTH	1967-12-30 16:31	> 1 d	0.1268999	0.1250679	0.0006124
EARTH	1968-07-18 19:26	> 1 d	0.1751277	0.1748180	0.0001033
EARTH	1969-03-22 19:23	> 1 d	0.0977671	0.0911552	0.0022181
EARTH	1970-04-28 20:10	216.1	0.0805523	0.0700247	0.0035102
EARTH	1999-10-20 22:08	15.7	0.1276653	0.1257862	0.0006264
EARTH	2000-10-28 22:31	13.0	0.0623905	0.0609269	0.0004879
EARTH	2001-08-12 14:15	396.1	0.1715582	0.1714611	0.0000324
EARTH	2002-02-07 16:56	288.7	0.1315058	0.1314510	0.0000183
EARTH	2002-06-18 00:05	217.3	0.1542973	0.1540451	0.0000841
EARTH	2003-04-24 09:09	2.6	0.0079012	0.0078263	0.0000250
EARTH	2023-11-02 16:25	< 1 min	0.0360075	0.0360073	0.0000001
EARTH	2024-08-02 13:59	< 1 min	0.1894430	0.1894410	0.0000007
EARTH	2025-04-09 16:15	< 1 min	0.0703738	0.0703734	0.0000002
EARTH	2044-10-23 05:26	1.2	0.1721215	0.1720444	0.0000257
EARTH	2045-10-01 22:16	26.6	0.1224160	0.1223623	0.0000179
EARTH	2045-12-23 07:11	36.2	0.1138906	0.1138590	0.0000105
EARTH	2046-07-11 13:48	26.2	0.1847955	0.1847861	0.0000031
EARTH	2047-04-23 07:40	2.5	0.0150931	0.0150234	0.0000233
EARTH	2063-10-30 19:10	78.6	0.0998221	0.0958381	0.0013286
EARTH	2064-08-28 06:45	1329.0	0.1789906	0.1779790	0.0003376
EARTH	2065-02-23 02:36	> 1 d	0.1139395	0.1127019	0.0004137
EARTH	2065-05-28 02:59	> 1 d	0.1380472	0.1356707	0.0007929
EARTH	2082-11-02 22:45	35.3	0.0206617	0.0194003	0.0004374
EARTH	2083-08-15 21:59	602.6	0.1864136	0.1861619	0.0000839
EARTH	2084-03-17 08:29	599.4	0.0964847	0.0955413	0.0003151
EARTH	2103-10-31 09:57	142.4	0.0807605	0.0795729	0.0003961
EARTH	2104-07-24 14:47	488.8	0.1910301	0.1909524	0.0000260
EARTH	2105-04-23 04:45	66.7	0.0119785	0.0105518	0.0004821

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
79.75027089	108.75046823	0.00216033	MINIMUM
282.72559704	296.18055023	0.01030524	MINIMUM
1.27317274	22.32907653	0.12783059	SADDLE
181.12964606	202.52404808	0.18997816	SADDLE
2.78761547	204.05406660	1.89008155	SADDLE
182.10092032	23.36196804	2.17088860	MAXIMUM

Download:

MOID Plots

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