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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .09290818006314386 | 5.0082e-08 | |
| a | 2.627887474272787 | 1.0897e-08 | au |
| q | 2.383735231627371 | 1.3571e-07 | au |
| i | 12.79171586497869 | 4.4117e-06 | deg |
| node | 169.0640164866158 | 1.5412e-05 | deg |
| peri | 10.97713609423876 | 2.4673e-05 | deg |
| M | 24.76515792552713 | 1.9001e-05 | deg |
| tp | 2459093.459735103482
(2020-Aug-31.95973510) | 8.2033e-05 | TDB |
| period | 1555.996350947006
4.26 | 9.6781e-06
2.65e-08 | d
yr |
| n | .2313630104472275 | 1.439e-09 | deg/d |
| Q | 2.872039716918204 | 1.1909e-08 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ hide covariance matrix ]
Orbital Elements at Epoch 2456923.5 (2014-Sep-23.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .09383010595570537 | 5.0068e-08 | |
| q | 2.381124670830822 | 1.3573e-07 | au |
| tp | 2457539.392476277550
(2016-May-30.89247628) | 8.0671e-05 | TDB |
| node | 169.090562407585 | 1.5412e-05 | deg |
| peri | 11.56488139037804 | 2.4524e-05 | deg |
| i | 12.7916545848683 | 4.4123e-06 | deg |
|
| | Orbit Determination Parameters
Additional Information
|
Orbit Covariance (6×6)
|
| |
e |
q |
tp |
node |
peri |
i |
| e |
2.506793756251908E-15 |
-6.78028005229378E-15 |
-4.598525307766599E-13 |
-1.121240933452073E-14 |
2.321018318856743E-14 |
-2.162373853914394E-15 |
| q |
-6.78028005229378E-15 |
1.842157438912316E-14 |
1.224456837089864E-12 |
3.022167003249559E-14 |
-7.66538027802143E-14 |
5.97408922642883E-15 |
| tp |
-4.598525307766599E-13 |
1.224456837089864E-12 |
6.507797767216541E-9 |
2.093840853268148E-12 |
1.532442721141018E-9 |
4.539909095985145E-12 |
| node |
-1.121240933452073E-14 |
3.022167003249559E-14 |
2.093840853268148E-12 |
2.375336873913971E-10 |
-2.311532012983871E-10 |
-1.080480832528222E-12 |
| peri |
2.321018318856743E-14 |
-7.66538027802143E-14 |
1.532442721141018E-9 |
-2.311532012983871E-10 |
6.014395585802938E-10 |
2.060342742953144E-12 |
| i |
-2.162373853914394E-15 |
5.97408922642883E-15 |
4.539909095985145E-12 |
-1.080480832528222E-12 |
2.060342742953144E-12 |
1.946856896317598E-11 |
|
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
12.59 |
|
n/a |
E2021B10 |
|
| diameter |
diameter |
10.281 |
km |
0.819 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M) |
|
| rotation period |
rot_per |
21.486 |
h |
n/a |
LCDB (Rev. 2020-October); Warner et al., 2009 |
Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.] |
| geometric albedo |
albedo |
0.183 |
|
0.053 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M) |
|
|
| 5382 McKay | Discovered 1991 May 8 by R. H. McNaught at Siding Spring. |
| Named for Christopher P. McKay (b. 1954), space scientist and exobiologist at NASA-Ames Research Center. McKay has made numerous seminal contributions to planetary science and the search for zones of life in the solar system, with a special interest in Mars, Titan, comets and microbial life in hostile environments on the earth. Name suggested and citation prepared by D. I. Steel. |
| NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) |
| Reference: 19980411/MPCPages.arc | Last Updated: 2009-11-17 |
|
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Alternate Designations
| 1991 JR2 = 1952 DK1 = 1971 TK2 |
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