Asteroids

2017AG13 help

Last update: 2025-07-29 02:36 UTC

Orbital Properties

Epoch

60800.0

MJD

Orbit type

Aten

Perihelion (q)

0.550

Aphelion (Q)

1.376

Eccentricity (e)

0.429

Inclination (i)

16.5

deg

Orbit period (P)

345.3

Earth MOID

0.00013

U parameter

6.8

Next Earth close approach

Date

2034-01-11

Nominal distance (from Earth center)

0.08899

13312144

Maximum Brightness

23.5

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

26.2

mag

Diameter

15 - 30*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2017-01-07

Observatory

Catalina Sky 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

60800.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

0.963204

1-sigma variation

0.000064

Unit

Eccentricity (e)

Value

0.428935

1-sigma variation

0.000085

Unit

Inclination (i)

Value

16.4544

1-sigma variation

0.0039

Unit

Long. of Ascending Node (Ω)

Value

289.2121

1-sigma variation

4.651E-5

Unit

Arg. of Perihelion (ω)

Value

297.9346

1-sigma variation

0.0024

Unit

Mean Anomaly (M)

Value

218.76746

1-sigma variation

0.28336

Unit

Perihelion distance

Value

0.550052

1-sigma variation

Unit

Aphelion distance

Value

1.376356

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.361645

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.000244

1-sigma variation

Unit

MOID

Value

0.000127

1-sigma variation

Unit

Orbit Period

Value

345.2835

1-sigma variation

Unit

U parameter

Value

6.8

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	4.03476E-9	5.38658E-9	2.47391E-7	-2.95389E-9	-1.53732E-7	-1.79990E-5
e	5.38658E-9	7.19368E-9	3.30390E-7	-3.94338E-9	-2.05106E-7	-2.40293E-5
i	2.47391E-7	3.30390E-7	1.51747E-5	-1.81112E-7	-9.41976E-6	-1.10360E-3
Ω	-2.95389E-9	-3.94338E-9	-1.81112E-7	2.16299E-9	1.12559E-7	1.31773E-5
ω	-1.53732E-7	-2.05106E-7	-9.41976E-6	1.12559E-7	5.86500E-6	6.85806E-4
M	-1.79990E-5	-2.40293E-5	-1.10360E-3	1.31773E-5	6.85806E-4	8.02935E-2

Date of computation: 2025-07-29 02:36 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

26.239

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

15 - 30*

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

3142

Unit

Source

[1]

Normalized RMS of residuals

Value

0.508866

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2017-01-07.3191

Unit

Source

[2]

Last Observation

Value

2017-01-09.53408

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

70 (9)

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 2017AG13 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	1958-01-11 12:38	366.9	0.1375396	0.0204011	0.0390570
EARTH	1959-01-07 16:09	> 1 d	0.0683588	0.0017498	0.0403268
EARTH	1987-01-10 19:10	428.8	0.0347398	0.0010410	0.0129049
EARTH	1988-01-04 14:38	655.1	0.1649238	0.1270291	0.0126317
EARTH	2016-01-10 19:35	34.3	0.1927079	0.1913281	0.0004599
EARTH	2017-01-09 12:49	< 1 s	0.0013951	0.0013942	0.0000003
EARTH	2034-01-11 11:27	106.3	0.0889862	0.0596122	0.0097916
EARTH	2052-01-06 10:49	653.6	0.1270957	0.0871391	0.0133189
EARTH	2069-01-09 13:01	485.7	0.0085883	0.0008420	0.0125620
EARTH	2085-01-11 04:13	> 1 d	0.0682504	0.0017350	0.5170918
EARTH	2101-01-11 06:10	> 1 w	0.1755695	0.0114817	0.6431368
EARTH	2102-01-05 10:50	> 1 w	0.1739928	0.0009013	0.6756198
EARTH	2118-01-09 07:33	> 1 w	0.0650109	0.0016442	0.5245558

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
267.15722774	6.85831219	0.00012714	MINIMUM
81.86736176	232.37517988	0.22151176	MINIMUM
172.35116524	301.54803440	0.48929467	SADDLE
355.66338276	117.29919431	0.49773890	SADDLE
0.26423240	304.91780082	1.52922076	SADDLE
183.00125516	128.41228715	2.36783625	MAXIMUM

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MOID Plots

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