Asteroids

2019XN3 help

Last update: 2025-11-24 16:53 UTC

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.973

Aphelion (Q)

1.287

Eccentricity (e)

0.139

Inclination (i)

5.1

deg

Orbit period (P)

438.6

Earth MOID

0.00805

U parameter

6.2

Next Earth close approach

Date

2025-12-10

Nominal distance (from Earth center)

0.0157

2348415

Maximum Brightness

20.3

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

26.7

mag

Diameter

12 - 27*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2019-12-15

Observatory

Mt. Lemmon Survey

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

1.129775

1-sigma variation

0.000048

Unit

Eccentricity (e)

Value

0.138953

1-sigma variation

0.000037

Unit

Inclination (i)

Value

5.1138

1-sigma variation

0.0004

Unit

Long. of Ascending Node (Ω)

Value

264.6602

1-sigma variation

0.0077

Unit

Arg. of Perihelion (ω)

Value

145.0590

1-sigma variation

0.0079

Unit

Mean Anomaly (M)

Value

6.18065

1-sigma variation

0.08147

Unit

Perihelion distance

Value

0.972789

1-sigma variation

Unit

Aphelion distance

Value

1.286762

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.232904

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.010465

1-sigma variation

Unit

MOID

Value

0.008049

1-sigma variation

Unit

Orbit Period

Value

438.6182

1-sigma variation

Unit

U parameter

Value

6.2

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	2.28204E-9	1.77578E-9	2.07244E-8	3.67399E-7	-3.75114E-7	-3.89200E-6
e	1.77578E-9	1.38187E-9	1.61277E-8	2.85893E-7	-2.91927E-7	-3.02856E-6
i	2.07244E-8	1.61277E-8	1.88334E-7	3.33657E-6	-3.40752E-6	-3.53447E-5
Ω	3.67399E-7	2.85893E-7	3.33657E-6	5.91498E-5	-6.03919E-5	-6.26596E-4
ω	-3.75114E-7	-2.91927E-7	-3.40752E-6	-6.03919E-5	6.16854E-5	6.39736E-4
M	-3.89200E-6	-3.02856E-6	-3.53447E-5	-6.26596E-4	6.39736E-4	6.63779E-3

Date of computation: 2025-11-24 16:53 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

26.735

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 - 27*

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

2153

Unit

Source

[1]

Normalized RMS of residuals

Value

0.736633

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2019-12-15.20283

Unit

Source

[2]

Last Observation

Value

2020-01-08.28908

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

59 (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 2019XN3 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	1950-09-07 02:09	264.4	0.1496709	0.1376307	0.0041145
EARTH	1969-12-28 15:29	197.8	0.1620169	0.1537591	0.0027526
EARTH	1975-11-07 20:47	> 1 d	0.0721388	0.0638901	0.0028383
EARTH	1994-12-29 07:18	363.4	0.1710101	0.1511691	0.0066138
EARTH	2000-09-30 15:59	> 1 d	0.0885236	0.0844091	0.0017066
EARTH	2019-08-08 07:36	24.9	0.1393464	0.1392560	0.0000301
EARTH	2019-12-14 21:09	< 1 min	0.0085660	0.0085608	0.0000017
EARTH	2025-12-10 14:59	557.3	0.0156982	0.0117286	0.0013968
EARTH	2050-08-04 21:40	> 1 mo	0.1492315	0.1254899	0.0204829
EARTH	2050-12-17 17:20	> 1 d	0.0291443	0.0066186	0.0432119
EARTH	2056-12-01 18:52	> 1 mo	0.0398446	0.0004057	0.2292116
EARTH	2062-09-12 03:46	> 1 d	0.1643679	0.0817708	0.0481280
EARTH	2087-07-16 15:40	> 1 mo	0.1839099	0.1536619	0.4311262
EARTH	2087-12-25 11:31	> 1 mo	0.1124718	0.0009684	1.1541365
EARTH	2093-11-27 00:51	> 1 mo	0.0494702	0.0070072	0.6100262
EARTH	2118-07-26 20:38	> 1 mo	0.1659402	0.1389760	1.8306189
EARTH	2118-12-22 11:51	> 1 mo	0.0672626	0.0023436	4.4814473
EARTH	2124-10-17 01:23	> 1 mo	0.0909151	0.0701089	0.7107446

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
27.84223897	339.75123986	0.00809571	MINIMUM
169.43860024	117.88297697	0.28368018	SADDLE
353.19310248	120.74468297	1.98121937	SADDLE
176.40248134	303.99768604	2.27451215	MAXIMUM

Download:

MOID Plots

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