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JPL Small-Body Database Browser
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74220 (1998 RX78)
Classification:
Main-belt Asteroid
SPK-ID:
2074220
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
]
[ 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
.05093003536463687
4.6222e-08
a
2.707234018727332
1.5377e-08
au
q
2.569354494413201
1.2493e-07
au
i
6.684752898122837
4.5803e-06
deg
node
131.2771739802988
4.2695e-05
deg
peri
279.2702561254027
6.3326e-05
deg
M
185.2057438798297
4.828e-05
deg
t
p
2459390.472151127759
(2021-Jun-24.97215113)
0.00022094
TDB
period
1626.998396391677
4.45
1.3862e-05
3.795e-08
d
yr
n
.2212663520741019
1.8852e-09
deg/d
Q
2.845113543041463
1.616e-08
au
Orbit Determination Parameters
# obs. used (total)
744
data-arc span
7622 days (20.87 yr)
first obs. used
1998-09-14
last obs. used
2019-07-28
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.59892
source
ORB
producer
Otto Matic
solution date
2019-Nov-07 08:50:54
Additional Information
Earth MOID
= 1.58987 au
Jupiter MOID
= 2.33952 au
T_jup
= 3.353
[ 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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Physical Parameter Table
Parameter
Symbol
Value
Units
Sigma
Reference
Notes
absolute magnitude
H
15.1
n/a
MPO309716
74220 (1998 RX78)
Discovered 1998-Sep-14 by LINEAR at Socorro
Reference:
20040415/Numbers.arc
Last Updated:
2004-04-19
Alternate Designations
1998 RX78
= 2000 AU88
[
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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2019-Dec-14 08:26 UT
(server date/time)
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Ryan S. Park
Webmaster
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