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JPL Small-Body Database Browser
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74614 (1999 RP21)
Classification:
Main-belt Asteroid
SPK-ID:
2074614
[
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
.1711048854984549
4.0131e-08
a
2.391809846999623
9.4055e-09
au
q
1.982559496994676
9.4847e-08
au
i
2.273849309895393
3.7913e-06
deg
node
111.3230304421654
0.00012621
deg
peri
310.6726186763171
0.00012721
deg
M
59.06770623308819
1.407e-05
deg
t
p
2458378.815153898717
(2018-Sep-17.31515390)
5.2546e-05
TDB
period
1351.102822268663
3.70
7.9696e-06
2.182e-08
d
yr
n
.2664490030414688
1.5717e-09
deg/d
Q
2.801060197004571
1.1015e-08
au
Orbit Determination Parameters
# obs. used (total)
671
data-arc span
8062 days (22.07 yr)
first obs. used
1997-03-06
last obs. used
2019-04-02
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.61532
source
ORB
producer
Otto Matic
solution date
2019-Jul-13 04:10:12
Additional Information
Earth MOID
= .99615 au
Jupiter MOID
= 2.513 au
T_jup
= 3.510
[ 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
|
Close-Approach Data
]
Physical Parameter Table
Parameter
Symbol
Value
Units
Sigma
Reference
Notes
absolute magnitude
H
16.2
n/a
MPO453160
74614 (1999 RP21)
Discovered 1999-Sep-07 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
|
Mission Design
|
Physical Parameters
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Discovery Circumstances
|
Close-Approach Data
]
2019-Dec-14 19:22 UT
(server date/time)
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Ryan S. Park
Webmaster
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