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JPL Small-Body Database Browser
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266589 (2008 HN61)
Classification:
Main-belt Asteroid
SPK-ID:
2266589
[
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 16
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.08476717243941764
5.2741e-08
a
2.417490367298043
1.675e-08
au
q
2.212566544462659
1.3521e-07
au
i
4.957183094791155
6.4384e-06
deg
node
233.358353806783
6.4894e-05
deg
peri
29.50470764497375
7.6817e-05
deg
M
301.974047541283
4.3127e-05
deg
t
p
2458821.791805597411
(2019-Dec-04.29180560)
0.00016497
TDB
period
1372.92102308439
3.76
1.4269e-05
3.907e-08
d
yr
n
.2622146459606451
2.7252e-09
deg/d
Q
2.622414190133427
1.817e-08
au
Orbit Determination Parameters
# obs. used (total)
233
data-arc span
21402 days (58.60 yr)
first obs. used
1960-10-24
last obs. used
2019-05-30
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.59765
source
ORB
producer
Otto Matic
solution date
2019-Sep-24 04:36:42
Additional Information
Earth MOID
= 1.19833 au
Jupiter MOID
= 2.4177 au
T_jup
= 3.506
[ show covariance matrix ]
[
Ephemeris
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Orbit Diagram
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Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
|
Close-Approach Data
]
Physical Parameter Table
Parameter
Symbol
Value
Units
Sigma
Reference
Notes
absolute magnitude
H
16.8
n/a
MPO433731
266589 (2008 HN61)
Discovered 2008-Apr-30 by Mt. Lemmon Survey at Mount Lemmon
Reference:
20110218/Numbers.arc
Last Updated:
2011-02-22
[ show close-approach data ]
[
Ephemeris
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Orbit Diagram
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Orbital Elements
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Mission Design
|
Physical Parameters
|
Discovery Circumstances
|
Close-Approach Data
]
2019-Dec-07 19:36 UT
(server date/time)
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