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JPL Small-Body Database Browser
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117887 (2721 P-L)
Classification:
Main-belt Asteroid
SPK-ID:
2117887
[
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
.07833801043951939
5.4371e-08
a
2.868459399747185
2.5442e-08
au
q
2.643749997344453
1.6321e-07
au
i
2.957320348729795
6.0331e-06
deg
node
59.70797298946
0.00011414
deg
peri
297.7283149098041
0.00012044
deg
M
30.36991246823045
3.8882e-05
deg
t
p
2458450.803196399420
(2018-Nov-28.30319640)
0.0001913
TDB
period
1774.481548229139
4.86
2.3608e-05
6.464e-08
d
yr
n
.2028761585936273
2.6991e-09
deg/d
Q
3.093168802149918
2.7435e-08
au
Orbit Determination Parameters
# obs. used (total)
328
data-arc span
21175 days (57.97 yr)
first obs. used
1960-09-24
last obs. used
2018-09-15
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.5905
source
ORB
producer
Otto Matic
solution date
2018-Oct-03 11:22:54
Additional Information
Earth MOID
= 1.64036 au
Jupiter MOID
= 2.27459 au
T_jup
= 3.292
[ show covariance matrix ]
[
Ephemeris
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Orbit Diagram
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Orbital Elements
|
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
15.7
n/a
MPO453649
117887 (2721 P-L)
Discovered 1960-Sep-24 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference:
20051019/Numbers.arc
Last Updated:
2005-10-26
[ show close-approach data ]
Alternate Designations
2721 P-L
= 1999 VF94
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
|
Close-Approach Data
]
2019-Dec-14 05:31 UT
(server date/time)
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