Asteroids

2019UJ3

Last update: 2023-06-03 23:50 UTC

Orbital Properties

Epoch

60000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.724

Aphelion (Q)

1.350

Eccentricity (e)

0.302

Inclination (i)

1.0

deg

Orbit period (P)

385.9

Earth MOID

0.01662

U parameter

7.3

Next Earth close approach

Date

2037-10-24

Nominal distance (from Earth center)

0.15543

23251299

Maximum Brightness

125.1

mag

Risk

Object is not in risk list

Object is in priority list

Physical Properties

Absolute Magnitude (H)

mag

Diameter

23*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2019-10-22

Observatory

Mt. Lemmon Survey

Orbit Visualiser

Click the button to start Orbit Visualiser

External links

Proper elements

Epoch

Near present day

Near middle of observation arc

Orbit properties

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

Value

1-sigma variation

Unit

Epoch

Value

60000.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

1.037348

1-sigma variation

0.000194

Unit

Eccentricity (e)

Value

0.301717

1-sigma variation

0.000430

Unit

Inclination (i)

Value

1.0486

1-sigma variation

0.0016

Unit

Ascending Node (Ω)

Value

303.7199

1-sigma variation

0.0474

Unit

Arg. of Perihelion (ω)

Value

193.1350

1-sigma variation

0.0435

Unit

Mean Anomaly (M)

Value

346.36186

1-sigma variation

0.27448

Unit

Perihelion

Value

0.724362

1-sigma variation

Unit

Aphelion

Value

1.350333

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.319125

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.255870

1-sigma variation

Unit

MOID

Value

0.016624

1-sigma variation

Unit

Orbit Period

Value

385.9091

1-sigma variation

Unit

U parameter

Value

7.3

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	3.76238E-8	8.35007E-8	3.07955E-7	9.09726E-6	-8.33845E-6	-5.32402E-5
e	8.35007E-8	1.85324E-7	6.83473E-7	2.01875E-5	-1.85029E-5	-1.18159E-4
i	3.07955E-7	6.83473E-7	2.52123E-6	7.46155E-5	-6.84011E-5	-4.35779E-4
Ω	9.09726E-6	2.01875E-5	7.46155E-5	2.24585E-3	-2.06189E-3	-1.28740E-2
ω	-8.33845E-6	-1.85029E-5	-6.84011E-5	-2.06189E-3	1.89329E-3	1.18003E-2
M	-5.32402E-5	-1.18159E-4	-4.35779E-4	-1.28740E-2	1.18003E-2	7.53384E-2

Date of computation: 2023-05-08 23:51 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

25.953

Unit

mag

Source

[1]

Slope Parameter (G)

Value

0.15**

Unit

mag

Source

[1]

Albedo
Diameter

Size and albedo

Value

Unit

Source

Albedo

Value

Unit

Source

[-]

Diameter

Value

23*

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 ODIM	ESA orbit determination and impact monitoring system
[2]	Estimation	Estimated from absolute magnitude

Observational Information

Arc Length
Unobserved

Arc Information

Value

Unit

Source

Arc Length

Value

Unit

Source

[1]

Unobserved

Value

1317

Unit

Source

[1]

Astrometry Summary

RMS of Residuals
First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

RMS of Residuals

Value

0.551025

Unit

arcsec

Source

[1]

First Observation

Value

2019-10-19.350936

Unit

Source

[2]

Last Observation

Value

2019-10-26.14992

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

28 (1)

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

[3]

Last Observation

Value

Unit

Source

[3]

Delay (Discarded)

Value

0 (0)

Unit

Source

[1]

Doppler (Discarded)

Value

0 (0)

Unit

Source

[1]

Total Radar Observations (Discarded)

Value

0 (0)

Unit

Source

[1]

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

Sources

No.	Name	Additional
[1]	ESA ODIM	ESA orbit determination and impact monitoring system
[2]	MPC	Minor Planet Center: https://www.minorplanetcenter.net
[3]	JPL Radar Observations	Jet Propulsion Laboratory: https://ssd.jpl.nasa.gov/dat/radar_data_ast.txt

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 2019UJ3 from 1950 to 2123

Body	Date in UTC	Time uncert. in min	Nominal distance in au	Min. possibile distance in au	Distance uncert. in au
EARTH	1963-10-30 19:43	> 1 w	0.0185420	0.0185387	0.0043824
EARTH	1967-05-21 15:52	> 1 d	0.0199883	0.0179077	0.0532460
EARTH	1982-11-01 12:35	> 1 d	0.1372791	0.0304808	0.0368283
VENUS	1985-02-14 02:21	> 1 d	0.0298159	0.0297461	0.0008779
EARTH	1985-04-16 03:28	> 1 w	0.1789028	0.1516369	0.0091054
EARTH	1985-06-02 22:24	> 1 d	0.1794370	0.1465147	0.0109912
EARTH	1986-05-28 09:41	684.6	0.1616425	0.1288694	0.0109393
EARTH	2000-10-26 05:29	1422.6	0.1069798	0.0431216	0.0217700
EARTH	2004-05-18 13:13	1181.6	0.0637644	0.0170012	0.0255173
EARTH	2019-10-31 12:36	< 1 min	0.0187046	0.0186167	0.0000293
EARTH	2023-05-23 02:41	273.5	0.0390229	0.0276108	0.0039912
EARTH	2037-10-24 14:50	389.6	0.1554253	0.1327352	0.0075730
EARTH	2038-10-11 12:49	> 1 d	0.1999108	0.1836542	0.0054214
EARTH	2038-12-14 06:48	> 1 d	0.1937789	0.1810028	0.0042627
EARTH	2041-05-17 20:51	207.3	0.0930167	0.0768647	0.0054040
EARTH	2056-11-03 11:44	86.0	0.0989294	0.0958755	0.0010188
EARTH	2059-04-09 19:14	> 1 d	0.1916948	0.1846062	0.0023635
EARTH	2059-06-08 21:40	> 1 d	0.1955583	0.1869530	0.0028689
VENUS	2060-03-07 11:12	> 1 d	0.0320854	0.0300080	0.0009451
EARTH	2060-05-27 17:26	170.9	0.1530772	0.1397725	0.0044377
EARTH	2074-11-01 04:13	> 1 d	0.0200108	0.0173409	0.0126728
EARTH	2078-05-25 18:41	> 1 d	0.1044381	0.0148191	0.0778998
EARTH	2092-11-03 21:13	> 1 d	0.1264792	0.0171451	0.1424086
EARTH	2095-05-18 23:25	> 1 w	0.1378098	0.0163874	0.1298694
EARTH	2109-10-25 18:30	> 1 d	0.1598932	0.0174646	0.1475766
EARTH	2110-12-16 15:56	> 1 mo	0.1954468	0.0373531	0.0884843
EARTH	2113-05-19 14:40	> 1 d	0.0703270	0.0149489	0.1906023

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