Asteroids

2017QQ32 help

Last update: 2026-06-04 23:11 UTC

Orbital Properties

Epoch

61200.0

MJD

Orbit type

Amor

Perihelion (q)

1.265

Aphelion (Q)

2.371

Eccentricity (e)

0.304

Inclination (i)

8.9

deg

Orbit period (P)

895.3

Earth MOID

0.28113

U parameter

0.3

Next Earth close approach

Date

Nominal distance (from Earth center)

Maximum Brightness

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

19.9

mag

Diameter

280 - 600*

Taxonomic type

Rotation period (T)

16.72

Discovery Information

Discovery Date

2017-08-27

Observatory

Purple Mountain Observatory, XuYi Station

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

61200.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

1.817966

1-sigma variation

2.072E-8

Unit

Eccentricity (e)

Value

0.304374

1-sigma variation

7.077E-8

Unit

Inclination (i)

Value

8.9319

1-sigma variation

6.668E-6

Unit

Long. of Ascending Node (Ω)

Value

44.3098

1-sigma variation

1.677E-5

Unit

Arg. of Perihelion (ω)

Value

322.5553

1-sigma variation

2.423E-5

Unit

Mean Anomaly (M)

Value

199.01566

1-sigma variation

0.00003

Unit

Perihelion distance

Value

1.264624

1-sigma variation

Unit

Aphelion distance

Value

2.371307

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.336763

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

1.167134

1-sigma variation

Unit

MOID

Value

0.281134

1-sigma variation

Unit

Orbit Period

Value

895.3171

1-sigma variation

Unit

U parameter

Value

0.3

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	4.29517E-16	5.21714E-16	-1.97595E-14	-4.28981E-15	1.02107E-13	-5.16598E-13
e	5.21714E-16	5.00832E-15	-2.54052E-13	-1.35732E-15	1.84355E-13	-7.98301E-13
i	-1.97595E-14	-2.54052E-13	4.44593E-11	-3.95892E-11	3.04325E-11	3.37808E-11
Ω	-4.28981E-15	-1.35732E-15	-3.95892E-11	2.81317E-10	-2.75202E-10	3.00434E-12
ω	1.02107E-13	1.84355E-13	3.04325E-11	-2.75202E-10	5.87261E-10	-2.80922E-10
M	-5.16598E-13	-7.98301E-13	3.37808E-11	3.00434E-12	-2.80922E-10	7.13846E-10

Date of computation: 2026-06-04 23:11 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

16.72

Unit

Source

[3]

Quality

Value

Unit

Source

[3]

Amplitude

Value

0.54

Unit

mag

Source

[3]

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

[1]

Taxonomy (all)

Value

Unit

Source

[2]

Absolute Magnitude (H)
Slope Parameter (G)

H / G

Value

Unit

Source

Absolute Magnitude (H)

Value

19.9

Unit

mag

Source

[4]

Slope Parameter (G)

Value

0.15**

Unit

Source

[4]

Albedo
Diameter

Size and albedo

Value

Unit

Source

Albedo

Value

0.05 - 0.25

Unit

Source

[5]

Diameter

Value

280 - 600*

Unit

Source

[5]

Color Index Information

Color Index Information

Value

Unit

Source

Color Index Information

Value

0.4353

Unit

g-r

Source

[1]

Sightings

Sightings

Value

Unit

Source

Sightings

Value

Unit

Source

[-]

Download this part as:

Sources

No.	Name	Additional
[1]	EARN	1.) A. V. Sergeyev, B. Carry et al A&A, 658 (2022) A109
[2]	EARN	Earth Asteroids Research Node: https://earn.dlr.de
[3]	EARN	1.) Warner, B.D. (2018) Minor Planet Bul. 45, in process (NEA Gaggle) http://www.planetarysciences.org/PHP/CS3_Lightcurves.php 2.) Warner, B.D. (2018) MPB 45, 138-147. (NEAR-EARTH ASTEROID LIGHTCURVE ANALYSIS AT CS3-PALMER DIVIDE STATION: 2017 OCTOBER-DECEMBER)(20 NEAs)
[4]	ESA Aegis	ESA orbit determination and impact monitoring system
[5]	Estimation	Estimated from absolute magnitude

Observational Information

Arc Length
Unobserved
Normalized RMS of residuals

Arc Information

Value

Unit

Source

Arc Length

Value

3164

Unit

Source

[1]

Unobserved

Value

1262

Unit

Source

[1]

Normalized RMS of residuals

Value

0.474511

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2014-04-23.0354

Unit

Source

[2]

Last Observation

Value

2022-12-21.258857

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

246 (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

Note: Ephemerides requests are limited to a maximum of 1000 points and a final date not exceeding 2040/12/31 00:00.

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
4.72390812	273.13798920	0.28167457	MINIMUM
177.17122469	83.44033810	1.38031003	SADDLE
356.62303312	82.08390529	2.26106898	SADDLE
179.32638262	265.00812091	3.37026921	MAXIMUM

Download:

MOID Plots

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