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100015 (1989 SR7)
Classification:
Mars-crossing Asteroid
SPK-ID:
2100015
[
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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Close-Approach Data
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[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference:
JPL 21
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.2996718740331652
3.6067e-08
a
2.364706092844378
8.1226e-09
au
q
1.656070186464059
8.6402e-08
au
i
4.388828305601289
3.57e-06
deg
node
269.3060092619597
5.1786e-05
deg
peri
88.77074730405866
5.2245e-05
deg
M
164.4304725733931
5.245e-06
deg
t
p
2458393.841919551405
(2018-Oct-02.34191955)
1.9339e-05
TDB
period
1328.202160727923
3.64
6.8434e-06
1.874e-08
d
yr
n
.2710430766071796
1.3965e-09
deg/d
Q
3.073341999224697
1.0557e-08
au
Orbit Determination Parameters
# obs. used (total)
914
data-arc span
11161 days (30.56 yr)
first obs. used
1989-09-27
last obs. used
2020-04-18
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.47547
source
ORB
producer
Otto Matic
solution date
2020-May-20 17:49:38
Additional Information
Earth MOID
= .65969 au
Jupiter MOID
= 2.41093 au
T_jup
= 3.483
[ 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
15.8
n/a
MPO469005
rotation period
rot_per
2.4172
h
n/a
LCDB (Rev. 2020-October); Warner et al., 2009
Published Reference List:
[Benishek, V.; Pravec, P.; Hornoch, K.; Kusnirak, P.; et al. (2018) CBET 4565.]
100015 (1989 SR7)
Discovered 1989-Sep-28 by Shoemaker, C. S. at Palomar
Reference:
20051019/Numbers.arc
Last Updated:
2005-10-26
[ show close-approach data ]
Alternate Designations
1989 SR7
= 2000 UC98
[
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
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Close-Approach Data
]
2021-Feb-28 16:56 UT
(server date/time)
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