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JPL Small-Body Database Browser
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357005 (1999 HA2)
Classification:
Apollo
[
NEO
]
SPK-ID:
2357005
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
|
Close-Approach Data
]
[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference:
JPL 44
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.6983302583214156
3.816e-08
a
2.793407994078903
1.4591e-08
au
q
.8426866679766754
1.0822e-07
au
i
15.0959516688877
1.1014e-05
deg
node
147.2696944400332
9.9184e-05
deg
peri
344.2303786522905
9.3362e-05
deg
M
120.0221484666239
9.578e-06
deg
t
p
2458031.962807971165
(2017-Oct-05.46280797)
4.1314e-05
TDB
period
1705.296828504087
4.67
1.3361e-05
3.658e-08
d
yr
n
.2111069427812152
1.654e-09
deg/d
Q
4.744129320181131
2.478e-08
au
Orbit Determination Parameters
# obs. used (total)
266
data-arc span
5173 days (14.16 yr)
first obs. used
1999-04-20
last obs. used
2013-06-18
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.56723
source
ORB
producer
Otto Matic
solution date
2017-Apr-06 09:22:57
Additional Information
Earth MOID
= .115006 au
Jupiter MOID
= .466467 au
T_jup
= 2.875
[ show covariance matrix ]
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
|
Close-Approach Data
]
Physical Parameter Table
Parameter
Symbol
Value
Units
Sigma
Reference
Notes
absolute magnitude
H
17.9
n/a
MPO264883
357005 (1999 HA2)
Discovered 1999-Apr-20 by LINEAR at Socorro
Reference:
20130327/Numbers.arc
Last Updated:
2013-03-29
[ show close-approach data ]
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
|
Close-Approach Data
]
2019-Dec-14 21:18 UT
(server date/time)
Site Manager:
Ryan S. Park
Webmaster
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