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JPL Small-Body Database Browser
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295378 (2008 HQ65)
Classification:
Main-belt Asteroid
SPK-ID:
2295378
[
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 12
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.2244408206918754
5.3794e-08
a
2.720107213960711
2.1924e-08
au
q
2.109604118489478
1.4343e-07
au
i
3.885186537057208
6.2636e-06
deg
node
75.83292042492425
8.4828e-05
deg
peri
130.9767996330978
8.5863e-05
deg
M
172.8189645762754
1.3512e-05
deg
t
p
2457813.877511344069
(2017-Mar-01.37751134)
5.7552e-05
TDB
period
1638.617015270619
4.49
1.9811e-05
5.424e-08
d
yr
n
.2196974623387184
2.6562e-09
deg/d
Q
3.330610309431943
2.6845e-08
au
Orbit Determination Parameters
# obs. used (total)
193
data-arc span
7507 days (20.55 yr)
first obs. used
1999-05-10
last obs. used
2019-11-28
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.61252
source
ORB
producer
Otto Matic
solution date
2019-Dec-04 20:55:03
Additional Information
Earth MOID
= 1.10778 au
Jupiter MOID
= 1.63537 au
T_jup
= 3.319
[ hide covariance matrix ]
Orbital Elements at Epoch 2456885.5 (2014-Aug-16.0) TDB
Reference:
JPL 12
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.2244776416329154
5.3724e-08
q
2.109284179244244
1.4327e-07
au
t
p
2456176.539060844236
(2012-Sep-06.03906084)
5.4231e-05
TDB
node
75.85930582525958
8.4873e-05
deg
peri
131.0838063136177
8.5908e-05
deg
i
3.884479367002102
6.2615e-06
deg
Orbit Determination Parameters
# obs. used (total)
193
data-arc span
7507 days (20.55 yr)
first obs. used
1999-05-10
last obs. used
2019-11-28
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.61252
source
ORB
producer
Otto Matic
solution date
2019-Dec-04 20:55:03
Additional Information
Jupiter MOID
= 1.63537 au
T_jup
= 3.319
Orbit Covariance (6×6)
e
q
tp
node
peri
i
e
2.886275855001877E-15
-7.645258474191997E-15
3.579696397655473E-13
-1.513895026658443E-14
1.246814950593596E-13
-3.339992918980318E-16
q
-7.645258474191997E-15
2.052683192218891E-14
-9.842639830142407E-13
3.914792618057269E-14
-3.097508359982903E-13
1.23229113209514E-15
tp
3.579696397655473E-13
-9.842639830142407E-13
2.941047908980257E-9
-2.896060210392928E-11
7.466691461879133E-10
6.512956644704561E-13
node
-1.513895026658443E-14
3.914792618057269E-14
-2.896060210392928E-11
7.203460594750104E-9
-7.193465254225161E-9
-4.639195295551868E-11
peri
1.246814950593596E-13
-3.097508359982903E-13
7.466691461879133E-10
-7.193465254225161E-9
7.380173579941015E-9
4.655350536353018E-11
i
-3.339992918980318E-16
1.23229113209514E-15
6.512956644704561E-13
-4.639195295551868E-11
4.655350536353018E-11
3.920671811422927E-11
[
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
16.6
n/a
MPO418563
295378 (2008 HQ65)
Discovered 2008-Apr-29 by LINEAR at Socorro
Reference:
20110912/Numbers.arc
Last Updated:
2011-09-14
[ show close-approach data ]
Alternate Designations
2008 HQ65
= 1999 JY32
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
|
Close-Approach Data
]
2019-Dec-12 06:21 UT
(server date/time)
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