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JPL Small-Body Database Browser
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357888 (2005 UN512)
Classification:
Main-belt Asteroid
SPK-ID:
2357888
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
|
Close-Approach Data
]
[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference:
JPL 11
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.1190967947968785
8.5935e-08
a
3.118347818700048
6.3006e-08
au
q
2.746962588431034
3.0143e-07
au
i
16.35034289721428
8.1778e-06
deg
node
249.6765925980467
2.4545e-05
deg
peri
1.292920893651007
3.9603e-05
deg
M
327.1930176151086
3.0618e-05
deg
t
p
2458783.794335288893
(2019-Oct-27.29433529)
0.00017107
TDB
period
2011.338925654744
5.51
6.0959e-05
1.669e-07
d
yr
n
.178985249779726
5.4246e-09
deg/d
Q
3.489733048969061
7.051e-08
au
Orbit Determination Parameters
# obs. used (total)
156
data-arc span
4996 days (13.68 yr)
first obs. used
2005-10-30
last obs. used
2019-07-05
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.58599
source
ORB
producer
Otto Matic
solution date
2019-Sep-24 06:43:14
Additional Information
Earth MOID
= 1.73263 au
Jupiter MOID
= 1.56446 au
T_jup
= 3.144
[ show covariance matrix ]
[
Ephemeris
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Orbit Diagram
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Orbital Elements
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Mission Design
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Physical Parameters
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Discovery Circumstances
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Close-Approach Data
]
Physical Parameter Table
Parameter
Symbol
Value
Units
Sigma
Reference
Notes
absolute magnitude
H
15.4
n/a
MPO437512
diameter
diameter
5.467
km
0.266
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
geometric albedo
albedo
0.041
0.008
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
357888 (2005 UN512)
Discovered 2005-Oct-30 by Mt. Lemmon Survey at Mount Lemmon
Reference:
20130327/Numbers.arc
Last Updated:
2013-03-29
[ show close-approach data ]
[
Ephemeris
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Orbit Diagram
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Orbital Elements
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Mission Design
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Physical Parameters
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Close-Approach Data
]
2019-Dec-14 16:15 UT
(server date/time)
Site Manager:
Ryan S. Park
Webmaster
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