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JPL Small-Body Database Browser
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249487 (2009 UP87)
Classification:
Main-belt Asteroid
SPK-ID:
2249487
[
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 14
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.1463655545167774
7.0719e-08
a
2.682968686271558
2.817e-08
au
q
2.290274486754272
2.0195e-07
au
i
10.6869891786476
5.092e-06
deg
node
235.2170439626182
3.83e-05
deg
peri
256.3484825785455
4.623e-05
deg
M
351.2499550867505
2.1405e-05
deg
t
p
2458639.514820595417
(2019-Jun-05.01482060)
9.5432e-05
TDB
period
1605.172950950515
4.39
2.528e-05
6.921e-08
d
yr
n
.2242748980954503
3.5321e-09
deg/d
Q
3.075662885788845
3.2293e-08
au
Orbit Determination Parameters
# obs. used (total)
284
data-arc span
6647 days (18.20 yr)
first obs. used
2000-11-30
last obs. used
2019-02-11
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.58871
source
ORB
producer
Otto Matic
solution date
2019-Jul-14 12:35:58
Additional Information
Earth MOID
= 1.33327 au
Jupiter MOID
= 2.12173 au
T_jup
= 3.335
[ 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
16.0
n/a
MPO418332
diameter
diameter
3.648
km
0.208
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
geometric albedo
albedo
0.070
0.023
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
249487 (2009 UP87)
Discovered 2009-Oct-24 by Spacewatch at Kitt Peak
Reference:
20100824/Numbers.arc
Last Updated:
2010-08-27
[ 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
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2019-Dec-06 23:16 UT
(server date/time)
Site Manager:
Ryan S. Park
Webmaster
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Alan B. Chamberlin