Asteroids

2017XQ60 help

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

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Aten

Perihelion (q)

0.783

Aphelion (Q)

1.212

Eccentricity (e)

0.215

Inclination (i)

27.2

deg

Orbit period (P)

363.8

Earth MOID

0.01871

U parameter

0.2

Next Earth close approach

Date

2025-12-19

Nominal distance (from Earth center)

0.11193

16744617

Maximum Brightness

22.6

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

24.4

mag

Diameter

30 - 80*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2017-12-13

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

0.997261

1-sigma variation

3.636E-9

Unit

Eccentricity (e)

Value

0.215047

1-sigma variation

0.000001

Unit

Inclination (i)

Value

27.1982

1-sigma variation

2.974E-5

Unit

Long. of Ascending Node (Ω)

Value

269.1500

1-sigma variation

2.598E-6

Unit

Arg. of Perihelion (ω)

Value

284.3528

1-sigma variation

2.388E-5

Unit

Mean Anomaly (M)

Value

257.20043

1-sigma variation

0.00004

Unit

Perihelion distance

Value

0.782803

1-sigma variation

Unit

Aphelion distance

Value

1.211719

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.114734

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.020756

1-sigma variation

Unit

MOID

Value

0.018712

1-sigma variation

Unit

Orbit Period

Value

363.7574

1-sigma variation

Unit

U parameter

Value

0.2

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.32203E-17	9.95037E-16	9.52284E-14	4.63191E-15	6.05903E-14	2.29620E-14
e	9.95037E-16	2.71225E-13	9.70523E-12	8.56387E-14	1.18809E-11	1.76475E-11
i	9.52284E-14	9.70523E-12	8.84615E-10	1.92940E-11	4.82380E-10	4.29714E-10
Ω	4.63191E-15	8.56387E-14	1.92940E-11	6.74850E-12	1.38315E-11	-1.82816E-11
ω	6.05903E-14	1.18809E-11	4.82380E-10	1.38315E-11	5.70159E-10	6.79411E-10
M	2.29620E-14	1.76475E-11	4.29714E-10	-1.82816E-11	6.79411E-10	1.35817E-9

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

24.419

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

30 - 80*

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

2190

Unit

Source

[1]

Unobserved

Value

688

Unit

Source

[1]

Normalized RMS of residuals

Value

0.672155

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2017-12-13.58163

Unit

Source

[2]

Last Observation

Value

2023-12-12.428332

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

105 (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 2017XQ60 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	2010-12-16 20:17	< 1 s	0.1963194	0.1963187	0.0000002
EARTH	2011-12-18 01:21	< 1 s	0.1667483	0.1667477	0.0000002
EARTH	2012-12-18 04:32	< 1 s	0.1382963	0.1382958	0.0000002
EARTH	2013-12-19 05:23	< 1 s	0.1117561	0.1117557	0.0000001
EARTH	2014-12-20 04:45	< 1 s	0.0871765	0.0871763	0.0000001
EARTH	2015-12-21 01:15	< 1 s	0.0651047	0.0651045	0.0000001
EARTH	2016-12-20 19:15	< 1 s	0.0471197	0.0471196	0.0000000
EARTH	2017-12-21 09:35	< 1 s	0.0343367	0.0343366	0.0000000
EARTH	2018-12-21 20:39	< 1 s	0.0275668	0.0275667	0.0000000
EARTH	2019-12-22 04:17	< 1 s	0.0256091	0.0256090	0.0000000
EARTH	2020-12-21 08:16	< 1 s	0.0277285	0.0277284	0.0000000
EARTH	2021-12-21 08:56	< 1 s	0.0351745	0.0351744	0.0000000
EARTH	2022-12-21 06:25	< 1 s	0.0481309	0.0481308	0.0000001
EARTH	2023-12-21 00:46	< 1 s	0.0658120	0.0658118	0.0000001
EARTH	2024-12-19 16:31	< 1 s	0.0874552	0.0874548	0.0000001
EARTH	2025-12-19 05:49	< 1 s	0.1119309	0.1119304	0.0000001
EARTH	2026-12-18 16:47	< 1 s	0.1385396	0.1385391	0.0000002
EARTH	2027-12-18 02:07	< 1 s	0.1666716	0.1666709	0.0000002
EARTH	2028-12-16 10:14	< 1 s	0.1959154	0.1959146	0.0000002

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
269.05628646	348.02622588	0.01867758	MINIMUM
68.83290650	171.44295601	0.10440689	MINIMUM
350.50729632	78.49790643	0.46619562	SADDLE
167.16091819	262.31231041	0.55465933	SADDLE
358.48212542	269.55262320	1.73594010	SADDLE
195.01548753	106.96808211	2.16045648	MAXIMUM

Download:

MOID Plots

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