Asteroids

2019MN2 help

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

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.983

Aphelion (Q)

2.915

Eccentricity (e)

0.496

Inclination (i)

10.3

deg

Orbit period (P)

994.0

Earth MOID

0.00309

U parameter

7.2

Next Earth close approach

Date

2049-05-03

Nominal distance (from Earth center)

0.16055

24018030

Maximum Brightness

22.1

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

mag

Diameter

70 - 150*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2019-06-29

Observatory

ATLAS-MLO, Mauna Loa

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

1.949146

1-sigma variation

0.000732

Unit

Eccentricity (e)

Value

0.495593

1-sigma variation

0.000202

Unit

Inclination (i)

Value

10.2739

1-sigma variation

0.0028

Unit

Long. of Ascending Node (Ω)

Value

93.4551

1-sigma variation

0.0001

Unit

Arg. of Perihelion (ω)

Value

155.2251

1-sigma variation

0.0007

Unit

Mean Anomaly (M)

Value

134.87003

1-sigma variation

0.48779

Unit

Perihelion distance

Value

0.983162

1-sigma variation

Unit

Aphelion distance

Value

2.915130

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

1.689979

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.003947

1-sigma variation

Unit

MOID

Value

0.003089

1-sigma variation

Unit

Orbit Period

Value

993.9511

1-sigma variation

Unit

U parameter

Value

7.2

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	5.36414E-7	1.47644E-7	2.07773E-6	-8.22971E-8	4.75947E-7	-3.57258E-4
e	1.47644E-7	4.06381E-8	5.71881E-7	-2.26518E-8	1.30998E-7	-9.83328E-5
i	2.07773E-6	5.71881E-7	8.04800E-6	-3.18717E-7	1.84309E-6	-1.38379E-3
Ω	-8.22971E-8	-2.26518E-8	-3.18717E-7	1.27478E-8	-7.30179E-8	5.48107E-5
ω	4.75947E-7	1.30998E-7	1.84309E-6	-7.30179E-8	4.24064E-7	-3.16987E-4
M	-3.57258E-4	-9.83328E-5	-1.38379E-3	5.48107E-5	-3.16987E-4	2.37938E-1

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

23.018

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

70 - 150*

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

2273

Unit

Source

[1]

Normalized RMS of residuals

Value

0.516217

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2019-06-25.133539

Unit

Source

[2]

Last Observation

Value

2019-07-07.623542

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

38 (0)

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 2019MN2 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	1997-05-12 06:22	1233.9	0.1328333	0.1257624	0.0024448
EARTH	2008-06-14 19:21	> 1 w	0.0419478	0.0051343	0.0278865
EARTH	2019-06-24 01:36	< 1 min	0.0080976	0.0080895	0.0000027
EARTH	2049-05-03 18:19	> 1 w	0.1605506	0.1148271	0.0590549
EARTH	2068-07-02 02:25	> 1 w	0.0409752	0.0048397	0.1172755
EARTH	2098-07-12 20:11	> 1 mo	0.1255650	0.0182470	0.9358846

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
14.73682132	171.41092065	0.00182572	MINIMUM
179.67379702	326.78511353	1.93321264	SADDLE
0.29049013	326.77762135	1.96783814	SADDLE
180.61510854	147.32811510	3.92686742	MAXIMUM

Download:

MOID Plots

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