Asteroids

478784 2012UV136

Last update: 2021-05-06 00:33 UTC

Orbital Properties

Epoch

59400.0

MJD

Orbit type

Apollo

Perihelion (q)

0.866

Aphelion (Q)

1.148

Eccentricity (e)

0.14

Inclination (i)

2.1

deg

Orbit period (P)

369.3

days

Earth MOID

0.01094

Next Earth close approach

Date

2021-05-18

Nominal distance (from Earth center)

0.04045

6050697

Maximum Brightness

22.1

Orbit Visualiser

Click the button to start Orbit Visualiser

Risk

Object is not in risk list

Object is not in priority list

Physical Properties

Absolute Magnitude (H)

25.6

Diameter

27*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2012-10-22

Observatory

Mt. Lemmon Survey

External links

Proper elements

Epoch

Near present day

Near middle of observation arc

Orbit properties

Epoch
Semimajor Axis
Eccentricity (e)
Inclination (i)
Ascending Node (Ω)
Arg. of Perihelion (ω)
Mean Anomaly (M)
Perihelion
Aphelion
Asc. Node-Earth Sep.
Desc. Node-Earth Sep.
MOID
Orbit Period

Value

1-sigma variation

Unit

Epoch

Value

59400.0

1-sigma variation

Unit

MJD

Semimajor Axis

Value

1.01

1-sigma variation

1.86213E-9

Unit

Eccentricity (e)

Value

0.139774176504115

1-sigma variation

5.64249E-8

Unit

Inclination (i)

Value

2.1

1-sigma variation

1.509E-6

Unit

Ascending Node (Ω)

Value

207.93

1-sigma variation

1.969E-5

Unit

Arg. of Perihelion (ω)

Value

289.9

1-sigma variation

2.055E-5

Unit

Mean Anomaly (M)

Value

127.86

1-sigma variation

1.666E-5

Unit

Perihelion

Value

8.665E-1

1-sigma variation

Unit

Aphelion

Value

1.15

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-6.122E-2

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

4.044E-2

1-sigma variation

Unit

MOID

Value

1.094E-2

1-sigma variation

Unit

Orbit Period

Value

369.26

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	3.46755E-18	9.87876E-17	1.55531E-15	8.53784E-15	1.78573E-15	-2.93679E-14
e	9.87876E-17	3.18377E-15	4.45778E-14	4.64322E-13	-1.91947E-13	-8.52786E-13
i	1.55531E-15	4.45778E-14	2.27698E-12	2.20481E-11	-1.91992E-11	-1.04583E-11
Ω	8.53784E-15	4.64322E-13	2.20481E-11	3.87768E-10	-3.82264E-10	-6.88521E-11
ω	1.78573E-15	-1.91947E-13	-1.91992E-11	-3.82264E-10	4.22485E-10	-3.55911E-11
M	-2.93679E-14	-8.52786E-13	-1.04583E-11	-6.88521E-11	-3.55911E-11	2.77619E-10

Date of computation: 2021-04-29 04:48 UTC

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)

Taxononomy

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

25.592

Unit

mag

Source

[1]

Slope Parameter (G)

Value

0.15**

Unit

mag

Source

[2]

Albedo
Diameter

Size and albedo

Value

Unit

Source

Albedo

Value

Unit

Source

[-]

Diameter

Value

27*

Unit

Source

[3]

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

[-]

Sources

No.	Name	Additional
[1]	ESA ODIM	ESA orbit determination and impact monitoring system
[2]	NEODyS	NEO Dynamic Site: https://newton.spacedys.com/neodys2
[3]	Estimation	Estimated from absolute magnitude

**Estimated value

Observational Information

Arc Length
Unobserved

Arc Information

Value

Unit

Source

Arc Length

Value

2798

Unit

days

Source

[1]

Unobserved

Value

319

Unit

days

Source

[1]

Astrometry Summary

RMS of Residuals
First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

RMS of Residuals

Value

0.594185

Unit

arcseconds

Source

[1]

First Observation

Value

2012-10-22.43037

Unit

Source

[2]

Last Observation

Value

2020-06-21.4195

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

148 (3)

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

[3]

Last Observation

Value

Unit

Source

[3]

Delay (Discarded)

Value

0 (0)

Unit

Source

[1]

Doppler (Discarded)

Value

0 (0)

Unit

Source

[1]

Total Radar Observations (Discarded)

Value

0 (0)

Unit

Source

[1]

Note: The ASCII file is in a format suitable for OrbFit input.

Sources

No.	Name	Additional
[1]	ESA ODIM	ESA orbit determination and impact monitoring system
[2]	MPC	Minor Planet Center: https://www.minorplanetcenter.net
[3]	JPL Radar Observations	Jet Propulsion Laboratory: https://ssd.jpl.nasa.gov/dat/radar_data_ast.txt

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 478784 2012UV136 from 1950 to 2150

Body	Date	MJD	Nominal distance (au)	Min possible distance (au)	Stretching (au)	Width (au)	Close approach probability
EARTH	1951-11-06.90116	33956.9	0.1396043	0.1396021	9.784E-7	4.741E-9	1.00E0
EARTH	1952-11-10.08813	34326.1	0.0437383	0.0437307	3.458E-6	7.123E-9	1.00E0
EARTH	1953-11-11.01113	34692.0	0.0369175	0.0369083	4.235E-6	9.527E-9	1.00E0
EARTH	1954-10-01.89006	35016.9	0.1081840	0.1081804	1.755E-6	2.909E-8	1.00E0
EARTH	1955-01-07.42919	35114.4	0.1066495	0.1066467	1.180E-6	1.567E-8	1.00E0
EARTH	1955-09-01.07565	35351.1	0.1379357	0.1379350	5.110E-7	4.102E-8	1.00E0
EARTH	1956-02-13.27449	35516.3	0.1214496	0.1214492	2.587E-7	2.734E-8	1.00E0
EARTH	1956-08-03.68495	35688.7	0.1412713	0.1412710	2.567E-7	3.239E-8	1.00E0
EARTH	1957-03-19.93554	35916.9	0.1056871	0.1056871	7.117E-8	2.106E-8	1.00E0
EARTH	1957-07-02.80536	36021.8	0.1182723	0.1182721	1.342E-7	2.128E-8	1.00E0
EARTH	1958-05-10.05273	36333.1	0.0468061	0.0468041	9.482E-7	1.414E-8	1.00E0
EARTH	1959-05-18.49452	36706.5	0.0408307	0.0408268	1.912E-6	1.074E-8	1.00E0
EARTH	1960-05-23.09973	37077.1	0.1397310	0.1397265	1.994E-6	9.506E-9	1.00E0
EARTH	2011-11-07.30413	55872.3	0.1107209	0.1107208	4.877E-8	6.687E-9	1.00E0
EARTH	2012-11-10.32615	56241.3	0.0148863	0.0148863	1.102E-8	7.789E-9	1.00E0
EARTH	2013-11-08.50987	56604.5	0.0477069	0.0477068	5.290E-8	1.041E-8	1.00E0
EARTH	2014-10-06.68239	56936.7	0.0997840	0.0997838	6.582E-8	1.846E-8	1.00E0
EARTH	2014-12-30.26084	57021.3	0.1015783	0.1015781	6.065E-8	1.492E-8	1.00E0
EARTH	2015-09-11.78213	57276.8	0.1276502	0.1276500	6.703E-8	2.371E-8	1.00E0
EARTH	2016-01-28.35372	57415.4	0.1207227	0.1207226	5.936E-8	1.993E-8	1.00E0
EARTH	2016-08-20.69674	57620.7	0.1392524	0.1392522	6.498E-8	2.579E-8	1.00E0
EARTH	2017-02-21.39849	57805.4	0.1224335	0.1224333	5.520E-8	2.180E-8	1.00E0
EARTH	2017-07-30.72286	57964.7	0.1367151	0.1367149	5.917E-8	2.505E-8	1.00E0
EARTH	2018-03-19.52143	58196.5	0.1086022	0.1086021	4.663E-8	2.130E-8	1.00E0
EARTH	2018-07-07.24076	58306.2	0.1192553	0.1192551	4.883E-8	2.098E-8	1.00E0
EARTH	2019-04-23.80010	58596.8	0.0738163	0.0738162	3.196E-8	1.781E-8	1.00E0
EARTH	2020-05-15.58070	58984.6	0.0217319	0.0217319	2.763E-8	1.055E-8	1.00E0
EARTH	2021-05-18.87267	59352.9	0.0404464	0.0404462	8.098E-8	8.062E-9	1.00E0
EARTH	2022-05-22.70854	59721.7	0.1067362	0.1067360	9.468E-8	7.714E-9	1.00E0
EARTH	2023-05-26.65892	60090.7	0.1813253	0.1813251	9.952E-8	7.481E-9	1.00E0
EARTH	2090-11-04.44466	84724.4	0.1333444	0.1333434	4.578E-7	8.254E-9	1.00E0
EARTH	2091-11-07.77984	85092.8	0.0606614	0.0606605	4.238E-7	8.646E-9	1.00E0
EARTH	2092-11-08.71682	85459.7	0.0119309	0.0119308	2.796E-7	9.284E-9	1.00E0
EARTH	2093-11-06.14501	85822.1	0.0523116	0.0523078	1.796E-6	1.043E-8	1.00E0
EARTH	2094-10-05.09880	86155.1	0.0989594	0.0989558	1.747E-6	1.847E-8	1.00E0
EARTH	2094-12-27.30587	86238.3	0.1005980	0.1005950	1.315E-6	1.525E-8	1.00E0
EARTH	2095-09-12.05098	86497.1	0.1253150	0.1253123	1.310E-6	2.580E-8	1.00E0
EARTH	2096-01-23.08674	86630.1	0.1197619	0.1197604	6.910E-7	2.110E-8	1.00E0
EARTH	2096-08-22.51754	86842.5	0.1375576	0.1375563	7.838E-7	3.399E-8	1.00E0
EARTH	2097-02-13.95180	87018.0	0.1241621	0.1241618	6.295E-7	3.802E-8	1.00E0
EARTH	2097-08-03.92725	87188.9	0.1379370	0.1379365	5.492E-7	3.836E-8	1.00E0
EARTH	2098-03-08.77509	87405.8	0.1160108	0.1160080	1.653E-6	2.793E-8	1.00E0
EARTH	2098-07-14.75496	87533.8	0.1265097	0.1265066	1.534E-6	2.403E-8	1.00E0
EARTH	2099-04-04.55600	87797.6	0.0932772	0.0932703	3.590E-6	1.915E-8	1.00E0
EARTH	2099-06-18.87184	87872.9	0.0997406	0.0997327	3.649E-6	1.717E-8	1.00E0
EARTH	2100-05-12.31777	88200.3	0.0479597	0.0479467	6.424E-6	9.777E-9	1.00E0
EARTH	2101-05-16.99777	88570.0	0.0177648	0.0177622	5.333E-6	8.856E-9	1.00E0
EARTH	2102-05-20.93071	88938.9	0.0754616	0.0754288	1.538E-5	8.302E-9	1.00E0
EARTH	2103-05-25.14993	89308.1	0.1534587	0.1534088	2.292E-5	8.039E-9	1.00E0

Download as: