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JPL Small-Body Database Browser
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74896 (1999 TO121)
Classification:
Main-belt Asteroid
SPK-ID:
2074896
[
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 16
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.1990720091005705
5.7204e-08
a
2.38689274438918
1.2881e-08
au
q
1.911729210256051
1.3143e-07
au
i
2.443472516398209
4.4062e-06
deg
node
127.293170777967
0.00011089
deg
peri
275.0799032961336
0.00011146
deg
M
90.05983128305469
1.2342e-05
deg
t
p
2458263.541503574755
(2018-May-25.04150357)
4.4839e-05
TDB
period
1346.938551681613
3.69
1.0903e-05
2.985e-08
d
yr
n
.2672727716869866
2.1636e-09
deg/d
Q
2.862056278522308
1.5445e-08
au
Orbit Determination Parameters
# obs. used (total)
505
data-arc span
8131 days (22.26 yr)
first obs. used
1997-02-01
last obs. used
2019-05-08
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.56649
source
ORB
producer
Otto Matic
solution date
2019-May-30 05:42:13
Additional Information
Earth MOID
= .921649 au
Jupiter MOID
= 2.54263 au
T_jup
= 3.506
[ show covariance matrix ]
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
]
Physical Parameter Table
Parameter
Symbol
Value
Units
Sigma
Reference
Notes
absolute magnitude
H
16.1
n/a
MPO412637
74896 (1999 TO121)
Discovered 1999-Oct-04 by LINEAR at Socorro
Reference:
20040415/Numbers.arc
Last Updated:
2004-04-19
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
]
2019-Dec-14 08:27 UT
(server date/time)
Site Manager:
Ryan S. Park
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