Asteroids

2012TY52 help

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

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.743

Aphelion (Q)

2.584

Eccentricity (e)

0.553

Inclination (i)

9.6

deg

Orbit period (P)

783.7

Earth MOID

0.00031

U parameter

1.3

Next Earth close approach

Date

2070-10-29

Nominal distance (from Earth center)

0.09937

14865050

Maximum Brightness

19.2

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

21.2

mag

Diameter

150 - 300*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2012-10-07

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

1.663489

1-sigma variation

5.922E-8

Unit

Eccentricity (e)

Value

0.553198

1-sigma variation

6.789E-8

Unit

Inclination (i)

Value

9.6312

1-sigma variation

1.255E-5

Unit

Long. of Ascending Node (Ω)

Value

221.5665

1-sigma variation

3.840E-5

Unit

Arg. of Perihelion (ω)

Value

252.8981

1-sigma variation

3.969E-5

Unit

Mean Anomaly (M)

Value

0.55148

1-sigma variation

0.00011

Unit

Perihelion distance

Value

0.743250

1-sigma variation

Unit

Aphelion distance

Value

2.583727

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.369569

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.000870

1-sigma variation

Unit

MOID

Value

0.000309

1-sigma variation

Unit

Orbit Period

Value

783.6609

1-sigma variation

Unit

U parameter

Value

1.3

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	3.50695E-15	1.82715E-15	-6.96647E-14	-8.92414E-14	-2.53215E-13	-6.51486E-12
e	1.82715E-15	4.60941E-15	-3.36647E-14	-8.35664E-15	2.84628E-13	-3.39083E-12
i	-6.96647E-14	-3.36647E-14	1.57474E-10	-3.55118E-10	3.79448E-10	1.02698E-10
Ω	-8.92414E-14	-8.35664E-15	-3.55118E-10	1.47444E-9	-1.41834E-9	1.41436E-10
ω	-2.53215E-13	2.84628E-13	3.79448E-10	-1.41834E-9	1.57525E-9	3.79660E-10
M	-6.51486E-12	-3.39083E-12	1.02698E-10	1.41436E-10	3.79660E-10	1.22302E-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

21.23

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

150 - 300*

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

922

Unit

Source

[1]

Unobserved

Value

3809

Unit

Source

[1]

Normalized RMS of residuals

Value

0.46474

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2012-10-07.263703

Unit

Source

[2]

Last Observation

Value

2015-04-17.17043

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

102 (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 2012TY52 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	1965-11-30 06:29	> 1 d	0.1910246	0.1763789	0.0048934
EARTH	1968-04-05 17:23	468.5	0.1118309	0.1017200	0.0036735
EARTH	1982-11-04 08:07	< 1 min	0.0021007	0.0020910	0.0000033
EARTH	1985-04-03 04:52	< 1 min	0.0988900	0.0988820	0.0000026
EARTH	1997-11-17 00:17	< 1 min	0.1277210	0.1277068	0.0000047
EARTH	2000-04-09 19:26	< 1 min	0.1869320	0.1869198	0.0000041
EARTH	2070-10-29 09:09	< 1 min	0.0993667	0.0993328	0.0000113
EARTH	2073-03-28 02:16	1.1	0.1070983	0.1070812	0.0000057
EARTH	2085-11-07 07:37	< 1 min	0.0351639	0.0351423	0.0000072
EARTH	2088-04-06 09:19	< 1 min	0.1223103	0.1223056	0.0000016

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
316.87659567	300.27673535	0.00037219	MINIMUM
45.82577770	88.14235318	0.08920445	MINIMUM
2.76041315	16.83883875	0.27807568	SADDLE
180.55195988	192.37431115	1.58916410	SADDLE
0.81585406	193.23722029	1.75365154	SADDLE
179.92174770	12.02768418	3.55851249	MAXIMUM

Download:

MOID Plots

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