Asteroids

2016TR54 help

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

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Aten

Perihelion (q)

0.536

Aphelion (Q)

1.412

Eccentricity (e)

0.450

Inclination (i)

7.6

deg

Orbit period (P)

351.0

Earth MOID

0.01873

U parameter

2.0

Next Earth close approach

Date

2038-08-29

Nominal distance (from Earth center)

0.18406

27534312

Maximum Brightness

21.8

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

mag

Diameter

110 - 240*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2016-10-09

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

61000.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

0.973875

1-sigma variation

6.107E-8

Unit

Eccentricity (e)

Value

0.449853

1-sigma variation

0.000001

Unit

Inclination (i)

Value

7.5933

1-sigma variation

5.700E-6

Unit

Long. of Ascending Node (Ω)

Value

101.5131

1-sigma variation

2.849E-5

Unit

Arg. of Perihelion (ω)

Value

109.2688

1-sigma variation

3.574E-5

Unit

Mean Anomaly (M)

Value

320.38884

1-sigma variation

0.00018

Unit

Perihelion distance

Value

0.535774

1-sigma variation

Unit

Aphelion distance

Value

1.411976

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.071151

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.341877

1-sigma variation

Unit

MOID

Value

0.018733

1-sigma variation

Unit

Orbit Period

Value

351.0374

1-sigma variation

Unit

U parameter

Value

2.0

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	3.72993E-15	-2.95144E-14	-2.32865E-13	-3.00929E-13	-1.32142E-12	-1.09365E-11
e	-2.95144E-14	2.51821E-13	2.06382E-12	2.04348E-12	1.18517E-11	8.71828E-11
i	-2.32865E-13	2.06382E-12	3.24943E-11	-4.92148E-11	1.56139E-10	7.00383E-10
Ω	-3.00929E-13	2.04348E-12	-4.92148E-11	8.11841E-10	-6.34145E-10	7.89526E-10
ω	-1.32142E-12	1.18517E-11	1.56139E-10	-6.34145E-10	1.27764E-9	3.95605E-9
M	-1.09365E-11	8.71828E-11	7.00383E-10	7.89526E-10	3.95605E-9	3.21348E-8

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

21.97

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

110 - 240*

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

1903

Unit

Source

[1]

Unobserved

Value

1378

Unit

Source

[1]

Normalized RMS of residuals

Value

0.740722

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2016-09-27.5115

Unit

Source

[2]

Last Observation

Value

2021-12-13.335724

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

101 (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

[-]

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 2016TR54 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	1962-08-27 13:25	1.1	0.1648172	0.1647768	0.0000135
EARTH	1963-08-19 06:56	< 1 min	0.1353405	0.1353053	0.0000117
VENUS	1964-07-02 05:20	2.3	0.0386810	0.0386171	0.0000213
EARTH	1969-12-25 17:41	< 1 min	0.1663318	0.1663095	0.0000074
EARTH	1970-12-23 08:37	< 1 min	0.0697428	0.0697268	0.0000053
VENUS	1979-11-23 05:43	1.5	0.0399586	0.0398920	0.0000222
EARTH	1988-08-21 18:18	< 1 min	0.0999313	0.0999297	0.0000006
EARTH	1995-12-26 12:25	< 1 s	0.0274454	0.0274441	0.0000004
VENUS	2002-01-11 15:42	< 1 min	0.0268662	0.0268484	0.0000059
EARTH	2013-08-28 06:49	< 1 min	0.1805848	0.1805819	0.0000010
EARTH	2014-08-19 14:57	< 1 min	0.1257148	0.1257137	0.0000004
EARTH	2020-12-23 23:21	< 1 min	0.1892942	0.1892933	0.0000003
EARTH	2021-12-24 06:28	< 1 min	0.0432463	0.0432460	0.0000001
VENUS	2022-01-22 13:16	< 1 min	0.0123263	0.0123261	0.0000001
VENUS	2037-06-09 22:22	< 1 min	0.0133371	0.0133255	0.0000039
EARTH	2038-08-29 03:39	< 1 min	0.1840555	0.1840075	0.0000160
EARTH	2039-08-20 03:14	< 1 min	0.1320407	0.1319867	0.0000180
EARTH	2045-12-27 05:08	1.2	0.0808599	0.0806378	0.0000741
EARTH	2046-12-19 23:06	4.3	0.1658989	0.1656589	0.0000800
VENUS	2063-07-22 03:14	2.3	0.0085746	0.0085198	0.0000184
EARTH	2063-08-22 10:48	1.0	0.1029041	0.1028964	0.0000026
EARTH	2069-12-27 05:31	1.0	0.0932407	0.0930024	0.0000794
EARTH	2070-12-20 00:41	5.0	0.1624254	0.1621644	0.0000870
VENUS	2085-06-04 15:48	12.1	0.0127966	0.0127762	0.0000094
EARTH	2086-08-25 05:20	13.7	0.1154626	0.1150091	0.0001523
EARTH	2092-12-25 19:32	89.8	0.1599173	0.1557328	0.0013950
EARTH	2093-12-22 11:29	82.2	0.0957542	0.0910081	0.0015835
VENUS	2104-10-11 14:30	145.7	0.0232827	0.0177402	0.0018674
EARTH	2109-08-27 21:58	98.9	0.1423629	0.1388548	0.0011854
EARTH	2110-08-20 02:09	6.0	0.1764076	0.1707411	0.0019048
EARTH	2116-12-26 15:14	286.1	0.0171946	0.0169753	0.0010513
VENUS	2118-01-11 16:34	1069.7	0.0254377	0.0134210	0.0119894

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
269.33529725	351.43208167	0.01875243	MINIMUM
92.01750570	227.53184051	0.10044834	MINIMUM
179.73868873	289.17769789	0.44293722	SADDLE
1.84936396	110.07209032	0.47829567	SADDLE
2.74923978	291.57779133	1.52727661	SADDLE
181.51913648	110.28455393	2.41272917	MAXIMUM

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MOID Plots

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