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118008 (1257 T-2)
Classification:
Main-belt Asteroid
SPK-ID:
2118008
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
|
Close-Approach Data
]
[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference:
JPL 19
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.1909280599570479
3.941e-08
a
2.628888302453297
1.6035e-08
au
q
2.126959759022112
1.0648e-07
au
i
11.73479275444046
5.688e-06
deg
node
355.6753596982859
2.3972e-05
deg
peri
137.829462545968
3.0009e-05
deg
M
279.5704384981272
2.0391e-05
deg
t
p
2459548.332235548924
(2021-Nov-29.83223555)
9.0305e-05
TDB
period
1556.885334936174
4.26
1.4244e-05
3.9e-08
d
yr
n
.2312309018022567
2.1155e-09
deg/d
Q
3.130816845884481
1.9096e-08
au
Orbit Determination Parameters
# obs. used (total)
636
data-arc span
17271 days (47.29 yr)
first obs. used
1973-09-29
last obs. used
2021-01-11
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.53547
source
ORB
producer
Otto Matic
solution date
2021-Feb-24 09:18:38
Additional Information
Earth MOID
= 1.1551 au
Jupiter MOID
= 1.93101 au
T_jup
= 3.346
[ show covariance matrix ]
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Orbital Elements
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Physical Parameter Table
Parameter
Symbol
Value
Units
Sigma
Reference
Notes
absolute magnitude
H
15.41
n/a
E2021B55
118008 (1257 T-2)
Discovered 1973-Sep-29 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
1257 T-2
= 2003 SA195
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
|
Close-Approach Data
]
2021-Apr-10 18:40 UT
(server date/time)
Site Manager:
Ryan S. Park
Webmaster
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