Asteroids

2017UX7 help

Last update: 2026-07-30 14:25 UTC

Orbital Properties

Epoch

61200.0

MJD

Orbit type

Apollo

Perihelion (q)

0.893

Aphelion (Q)

1.473

Eccentricity (e)

0.245

Inclination (i)

14.6

deg

Orbit period (P)

470.0

Earth MOID

0.04300

U parameter

8.1

Next Earth close approach

Date

2026-10-23

Nominal distance (from Earth center)

0.04826

7219318

Maximum Brightness

20.9

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

25.5

mag

Diameter

21 - 50*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2017-10-27

Observatory

University of Arizona Mt. Lemmon Survey

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

1.183063

1-sigma variation

0.000787

Unit

Eccentricity (e)

Value

0.245224

1-sigma variation

0.000629

Unit

Inclination (i)

Value

14.6168

1-sigma variation

0.0317

Unit

Long. of Ascending Node (Ω)

Value

215.5391

1-sigma variation

0.0020

Unit

Arg. of Perihelion (ω)

Value

103.0872

1-sigma variation

0.0244

Unit

Mean Anomaly (M)

Value

300.61093

1-sigma variation

2.53943

Unit

Perihelion distance

Value

0.892947

1-sigma variation

Unit

Aphelion distance

Value

1.473178

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.171271

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.059566

1-sigma variation

Unit

MOID

Value

0.043004

1-sigma variation

Unit

Orbit Period

Value

470.0131

1-sigma variation

Unit

U parameter

Value

8.1

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	6.19045E-7	4.95044E-7	2.49133E-5	1.56399E-6	1.91999E-5	-1.99801E-3
e	4.95044E-7	3.95886E-7	1.99229E-5	1.25070E-6	1.53535E-5	-1.59779E-3
i	2.49133E-5	1.99229E-5	1.00265E-3	6.29443E-5	7.72663E-4	-8.04094E-2
Ω	1.56399E-6	1.25070E-6	6.29443E-5	3.95165E-6	4.85055E-5	-5.04789E-3
ω	1.91999E-5	1.53535E-5	7.72663E-4	4.85055E-5	5.95602E-4	-6.19690E-2
M	-1.99801E-3	-1.59779E-3	-8.04094E-2	-5.04789E-3	-6.19690E-2	6.44872E0

Date of computation: 2026-07-30 14:25 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

25.547

Unit

mag

Source

[1]

Slope Parameter (G)

Value

0.15**

Unit

Source

[1]

Albedo
Diameter

Size and albedo

Value

Unit

Source

Albedo

Value

0.05 - 0.25

Unit

Source

[2]

Diameter

Value

21 - 50*

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

3214

Unit

Source

[1]

Normalized RMS of residuals

Value

0.63762

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2017-10-27.32538

Unit

Source

[2]

Last Observation

Value

2017-11-15.21872

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

21 (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

Filters

Initial Date: *

Final Date: *

Normalised Only accepted

Max residual (arcsec):

* - these fields are required

Plot

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.

Close Approaches for 2017UX7 from 1950 to 2126

Body	Date in UTC	Time uncert. in min	Nominal distance in au	Min. possible distance in au	Distance uncert. in au
EARTH	1950-10-29 03:33	> 1 w	0.1806478	0.0409493	0.3051258
EARTH	1963-05-13 21:48	> 1 d	0.1504006	0.1132605	0.1683841
EARTH	1972-05-14 07:27	450.1	0.1130402	0.1129727	0.0063615
EARTH	1981-05-13 08:45	> 1 d	0.1405274	0.1153962	0.0911842
EARTH	1999-10-18 03:38	93.6	0.1897961	0.0389642	0.1019288
EARTH	2008-10-19 02:20	> 1 d	0.1049057	0.0416678	0.0532267
EARTH	2017-10-21 15:13	< 1 min	0.0505755	0.0502481	0.0001091
EARTH	2026-10-23 14:06	> 1 d	0.0482582	0.0432832	0.0255394
EARTH	2035-10-27 05:05	> 1 d	0.1178598	0.0414849	0.1457028
EARTH	2057-05-14 13:32	> 1 d	0.1296473	0.1154522	0.1059863
EARTH	2066-05-15 02:00	> 1 d	0.1197673	0.1156348	0.0643681
EARTH	2075-05-12 10:59	> 1 w	0.1662056	0.1217879	0.2015691
EARTH	2093-10-18 05:38	> 1 d	0.1485862	0.0378686	0.3582876
EARTH	2102-10-21 22:46	> 1 w	0.0729495	0.0412753	0.2756111
EARTH	2111-10-24 04:29	> 1 w	0.0420805	0.0417165	0.0312536
EARTH	2120-10-25 14:31	> 1 w	0.0666731	0.0412127	0.4676440

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
57.47627495	285.64296091	0.04300448	MINIMUM
289.56804484	128.57165173	0.11338040	MINIMUM
351.25760059	203.51124598	0.27025965	SADDLE
174.57225176	29.95172307	0.57270299	SADDLE
356.60918482	30.70555863	1.86435176	SADDLE
179.84869784	214.13686253	2.46856557	MAXIMUM

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MOID Plots

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