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100006 (1987 DA7)
Classification:
Mars-crossing Asteroid
SPK-ID:
2100006
[
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
]
[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference:
JPL 28
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.3048357320758674
5.048e-08
a
2.039607284305652
5.4453e-09
au
q
1.417862104647066
1.0202e-07
au
i
4.218413780227988
4.1228e-06
deg
node
309.6662881018086
3.7572e-05
deg
peri
210.8667872967402
3.7833e-05
deg
M
215.4525558141339
5.2719e-06
deg
t
p
2459627.695013545555
(2022-Feb-17.19501355)
1.5679e-05
TDB
period
1063.942747259155
2.91
4.2607e-06
1.167e-08
d
yr
n
.3383640716828076
1.355e-09
deg/d
Q
2.661352463964237
7.1052e-09
au
Orbit Determination Parameters
# obs. used (total)
1385
data-arc span
12335 days (33.77 yr)
first obs. used
1987-02-28
last obs. used
2020-12-06
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.4725
source
ORB
producer
Otto Matic
solution date
2021-Feb-24 08:24:03
Additional Information
Earth MOID
= .428881 au
Jupiter MOID
= 2.33327 au
T_jup
= 3.740
[ show covariance matrix ]
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Ephemeris
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Orbit Diagram
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Orbital Elements
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Close-Approach Data
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Physical Parameter Table
Parameter
Symbol
Value
Units
Sigma
Reference
Notes
absolute magnitude
H
15.85
n/a
E2021B55
rotation period
rot_per
3.9422
h
n/a
LCDB (Rev. 2020-October); Warner et al., 2009
Published Reference List:
[Pravec, P.; Wolf, M.; Sarounova, L. (2019) http://www.asu.cas.cz/~ppravec/neo.htm]
100006 (1987 DA7)
Discovered 1987-Feb-28 by Debehogne, H. at La Silla
Reference:
20051019/Numbers.arc
Last Updated:
2005-10-26
[ show close-approach data ]
Alternate Designations
1987 DA7
= 2000 VJ39
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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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Close-Approach Data
]
2021-Feb-28 16:02 UT
(server date/time)
Site Manager:
Ryan S. Park
Webmaster
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