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JPL Small-Body Database Browser
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295537 (2008 RF138)
Classification:
Outer Main-belt Asteroid
SPK-ID:
2295537
[
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 13
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.1328610487859356
5.3511e-08
a
3.204595391984512
7.4941e-08
au
q
2.778829487270873
1.6808e-07
au
i
21.8647619483803
1.3256e-05
deg
node
351.6194519236602
1.5421e-05
deg
peri
95.48625247812168
5.4407e-05
deg
M
211.6750118895705
5.3382e-05
deg
t
p
2459463.816525286182
(2021-Sep-06.31652529)
0.00032517
TDB
period
2095.357991005778
5.74
7.3501e-05
2.012e-07
d
yr
n
.171808350432376
6.0267e-09
deg/d
Q
3.630361296698151
8.4897e-08
au
Orbit Determination Parameters
# obs. used (total)
230
data-arc span
7475 days (20.47 yr)
first obs. used
1999-01-14
last obs. used
2019-07-03
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.60539
source
ORB
producer
Otto Matic
solution date
2019-Sep-24 05:43:19
Additional Information
Earth MOID
= 1.89933 au
Jupiter MOID
= 1.72478 au
T_jup
= 3.067
[ 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
|
Close-Approach Data
]
Physical Parameter Table
Parameter
Symbol
Value
Units
Sigma
Reference
Notes
absolute magnitude
H
15.2
n/a
MPO360474
diameter
diameter
5.372
km
0.143
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
geometric albedo
albedo
0.061
0.009
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
295537 (2008 RF138)
Discovered 2008-Sep-06 by CSS at Catalina
Reference:
20110912/Numbers.arc
Last Updated:
2011-09-14
[ 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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Discovery Circumstances
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Close-Approach Data
]
2019-Dec-06 15:50 UT
(server date/time)
Site Manager:
Ryan S. Park
Webmaster
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Alan B. Chamberlin