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JPL Small-Body Database Browser
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312583 (2009 HH81)
Classification:
Main-belt Asteroid
SPK-ID:
2312583
[
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 19
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.1222126633506885
4.2606e-08
a
2.619505488148019
2.5996e-08
au
q
2.299368745779705
1.2036e-07
au
i
13.15064508417588
4.7106e-06
deg
node
132.5690671615705
2.0289e-05
deg
peri
88.92312597276083
3.1107e-05
deg
M
123.3980971454146
2.729e-05
deg
t
p
2458069.697013320920
(2017-Nov-12.19701332)
0.00011303
TDB
period
1548.557713813738
4.24
2.3052e-05
6.311e-08
d
yr
n
.2324743836078305
3.4606e-09
deg/d
Q
2.939642230516334
2.9173e-08
au
Orbit Determination Parameters
# obs. used (total)
393
data-arc span
8175 days (22.38 yr)
first obs. used
1997-07-06
last obs. used
2019-11-23
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.57906
source
ORB
producer
Otto Matic
solution date
2019-Dec-04 21:32:49
Additional Information
Earth MOID
= 1.33722 au
Jupiter MOID
= 2.16797 au
T_jup
= 3.358
[ show covariance matrix ]
[
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
|
Close-Approach Data
]
Physical Parameter Table
Parameter
Symbol
Value
Units
Sigma
Reference
Notes
absolute magnitude
H
15.8
n/a
MPO455304
312583 (2009 HH81)
Discovered 2009-Apr-28 by Tozzi, F. at Skylive
Reference:
20120109/Numbers.arc
Last Updated:
2012-01-11
[ show close-approach data ]
Alternate Designations
2009 HH81
= 1997 NY3 = 2000 CW124
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
|
Close-Approach Data
]
2019-Dec-06 03:19 UT
(server date/time)
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