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JPL Small-Body Database Browser
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74680 (1999 RW115)
Classification:
Main-belt Asteroid
SPK-ID:
2074680
[
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 21
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.2404356856760698
4.3203e-08
a
2.318687974526843
9.4371e-09
au
q
1.761192641502624
9.6179e-08
au
i
4.681769118770976
4.1237e-06
deg
node
167.6165131340607
5.0018e-05
deg
peri
173.8710033775914
5.0829e-05
deg
M
195.1831990804855
1.177e-05
deg
t
p
2459190.919742207277
(2020-Dec-07.41974221)
4.4511e-05
TDB
period
1289.620390693152
3.53
7.8732e-06
2.156e-08
d
yr
n
.2791519136933818
1.7042e-09
deg/d
Q
2.876183307551063
1.1706e-08
au
Orbit Determination Parameters
# obs. used (total)
826
data-arc span
9181 days (25.14 yr)
first obs. used
1994-02-16
last obs. used
2019-04-07
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.54167
source
ORB
producer
Otto Matic
solution date
2019-Jul-13 04:20:30
Additional Information
Earth MOID
= .752184 au
Jupiter MOID
= 2.53042 au
T_jup
= 3.536
[ show covariance matrix ]
[
Ephemeris
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Orbit Diagram
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Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
|
Close-Approach Data
]
Physical Parameter Table
Parameter
Symbol
Value
Units
Sigma
Reference
Notes
absolute magnitude
H
15.8
n/a
MPO337821
74680 (1999 RW115)
Discovered 1999-Sep-09 by LINEAR at Socorro
Reference:
20040415/Numbers.arc
Last Updated:
2004-04-19
[ show close-approach data ]
[
Ephemeris
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Orbit Diagram
|
Orbital Elements
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Mission Design
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Physical Parameters
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Discovery Circumstances
|
Close-Approach Data
]
2019-Dec-14 00:42 UT
(server date/time)
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