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JPL Small-Body Database Browser
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6909 Levison (1991 BY2)
Classification:
Mars-crossing Asteroid
SPK-ID:
2006909
[
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 18
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.4670377321496077
5.9395e-08
a
2.722403801367193
1.4835e-08
au
q
1.450938503981188
1.5826e-07
au
i
38.01541426013008
1.2587e-05
deg
node
308.2799776120575
1.0072e-05
deg
peri
75.58272670047971
1.8818e-05
deg
M
148.7344254290146
1.3738e-05
deg
t
p
2457922.645880143738
(2017-Jun-18.14588014)
5.9897e-05
TDB
period
1640.692680557128
4.49
1.3411e-05
3.672e-08
d
yr
n
.2194195197346497
1.7936e-09
deg/d
Q
3.993869098753198
2.1764e-08
au
Orbit Determination Parameters
# obs. used (total)
637
data-arc span
11675 days (31.96 yr)
first obs. used
1987-04-18
last obs. used
2019-04-05
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.50503
source
ORB
producer
Otto Matic
solution date
2019-Jul-12 18:47:21
Additional Information
Earth MOID
= .713144 au
Jupiter MOID
= 2.60568 au
T_jup
= 2.919
[ 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
]
Physical Parameter Table
Parameter
Symbol
Value
Units
Sigma
Reference
Notes
absolute magnitude
H
13.8
n/a
MPO435765
6909 Levison (1991 BY2)
Discovered 1991-Jan-19 by Shoemaker, C. S. at Palomar
Reference:
DISCOVERY.DB
Last Updated:
2003-08-29
Alternate Designations
1991 BY2
= 1994 OA
[
Ephemeris
|
Orbit Diagram
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Orbital Elements
|
Mission Design
|
Physical Parameters
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Discovery Circumstances
]
2019-Dec-11 15:01 UT
(server date/time)
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