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JPL Small-Body Database Browser
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249200 (2008 DN9)
Classification:
Main-belt Asteroid
SPK-ID:
2249200
[
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 16
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.1581276667507488
4.9057e-08
a
2.781846931257376
2.9988e-08
au
q
2.341959966759916
1.3521e-07
au
i
10.04106357539868
5.5292e-06
deg
node
156.1696367422463
3.5263e-05
deg
peri
185.3112681825983
4.2349e-05
deg
M
305.9011927789827
2.4431e-05
deg
t
p
2458855.173326118789
(2020-Jan-06.67332612)
0.00011738
TDB
period
1694.721235316726
4.64
2.7403e-05
7.503e-08
d
yr
n
.2124243164585824
3.4349e-09
deg/d
Q
3.221733895754835
3.473e-08
au
Orbit Determination Parameters
# obs. used (total)
283
data-arc span
9271 days (25.38 yr)
first obs. used
1994-02-15
last obs. used
2019-07-05
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.64622
source
ORB
producer
Otto Matic
solution date
2019-Sep-24 04:18:33
Additional Information
Earth MOID
= 1.33279 au
Jupiter MOID
= 2.17904 au
T_jup
= 3.292
[ show covariance matrix ]
[
Ephemeris
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Orbit Diagram
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Orbital Elements
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Mission Design
|
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
MPO440259
249200 (2008 DN9)
Discovered 2008-Feb-25 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
|
Physical Parameters
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Discovery Circumstances
|
Close-Approach Data
]
2019-Dec-12 13:48 UT
(server date/time)
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Ryan S. Park
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