Asteroids

2019YM6 help

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

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.814

Aphelion (Q)

1.314

Eccentricity (e)

0.235

Inclination (i)

20.8

deg

Orbit period (P)

400.8

Earth MOID

0.03491

U parameter

2.7

Next Earth close approach

Date

2031-01-27

Nominal distance (from Earth center)

0.0438

6552973

Maximum Brightness

16.9

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

22.1

mag

Diameter

100 - 230*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2019-12-31

Observatory

Pan-STARRS 2, 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

61000.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

1.063825

1-sigma variation

2.344E-7

Unit

Eccentricity (e)

Value

0.235096

1-sigma variation

0.000001

Unit

Inclination (i)

Value

20.8120

1-sigma variation

0.0001

Unit

Long. of Ascending Node (Ω)

Value

123.4567

1-sigma variation

2.731E-5

Unit

Arg. of Perihelion (ω)

Value

97.4573

1-sigma variation

4.718E-5

Unit

Mean Anomaly (M)

Value

32.86004

1-sigma variation

0.00055

Unit

Perihelion distance

Value

0.813723

1-sigma variation

Unit

Aphelion distance

Value

1.313926

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.051909

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.041600

1-sigma variation

Unit

MOID

Value

0.034907

1-sigma variation

Unit

Orbit Period

Value

400.7776

1-sigma variation

Unit

U parameter

Value

2.7

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	5.49527E-14	1.86009E-13	1.02509E-11	-3.65514E-12	2.89777E-12	-1.29531E-10
e	1.86009E-13	6.41718E-13	3.65522E-11	-1.30165E-11	1.31334E-11	-4.41207E-10
i	1.02509E-11	3.65522E-11	2.80880E-9	-1.19965E-9	1.70732E-9	-2.50042E-8
Ω	-3.65514E-12	-1.30165E-11	-1.19965E-9	7.45680E-10	-8.73580E-10	8.89236E-9
ω	2.89777E-12	1.31334E-11	1.70732E-9	-8.73580E-10	2.22579E-9	-8.54819E-9
M	-1.29531E-10	-4.41207E-10	-2.50042E-8	8.89236E-9	-8.54819E-9	3.07111E-7

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

22.054

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

100 - 230*

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

[-]

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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

591

Unit

Source

[1]

Unobserved

Value

1508

Unit

Source

[1]

Normalized RMS of residuals

Value

0.528445

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2019-12-31.391471

Unit

Source

[2]

Last Observation

Value

2021-08-13.278975

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

64 (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 2019YM6 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	1963-01-28 08:44	1.3	0.1354346	0.1351433	0.0000971
EARTH	1964-07-28 21:08	6.8	0.0331240	0.0330972	0.0000092
EARTH	1974-01-25 07:44	3.7	0.0980854	0.0978220	0.0000878
EARTH	1987-08-05 02:45	5.6	0.1191318	0.1189100	0.0000739
EARTH	1997-01-27 12:21	< 1 min	0.0481810	0.0481200	0.0000204
EARTH	1998-07-23 00:41	3.9	0.1132097	0.1130873	0.0000408
EARTH	2020-01-28 02:57	< 1 min	0.1705416	0.1705402	0.0000005
EARTH	2021-07-31 05:20	< 1 min	0.0459449	0.0459438	0.0000004
EARTH	2031-01-27 13:52	< 1 min	0.0438039	0.0437892	0.0000049
EARTH	2032-07-20 04:47	2.4	0.1446303	0.1445560	0.0000247
EARTH	2054-01-27 14:57	3.6	0.1747866	0.1744683	0.0001061
EARTH	2055-08-01 04:22	8.9	0.0508254	0.0505822	0.0000812
EARTH	2065-01-27 13:48	2.5	0.0451392	0.0450510	0.0000298
EARTH	2066-07-22 15:18	12.0	0.1197675	0.1193953	0.0001241
EARTH	2076-01-24 13:06	9.1	0.1545737	0.1538865	0.0002291
EARTH	2089-08-06 05:08	21.5	0.1431363	0.1422321	0.0003015
EARTH	2099-01-28 18:09	2.3	0.1191358	0.1182831	0.0002844
EARTH	2100-07-29 10:19	25.6	0.0389567	0.0385741	0.0001305
EARTH	2110-01-27 15:53	19.6	0.0674276	0.0660728	0.0004551
EARTH	2111-07-18 06:31	60.4	0.1881647	0.1864168	0.0005829
EARTH	2123-08-10 15:40	48.6	0.1959888	0.1938150	0.0007248

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
72.06396255	204.37210555	0.03353031	MINIMUM
280.15077972	24.51694146	0.04239219	MINIMUM
356.38804857	113.14961457	0.37893388	SADDLE
175.77687295	296.31836298	0.52147271	SADDLE
1.46982298	300.12952997	1.77672697	SADDLE
185.43316023	124.38119091	2.28595541	MAXIMUM

Download:

MOID Plots

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