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JPL Small-Body Database Browser
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48164 (2001 HJ9)
Classification:
Main-belt Asteroid
SPK-ID:
2048164
[
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 25
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.1709970795022819
4.4486e-08
a
3.064908506558306
2.2395e-08
au
q
2.540818102995135
1.3903e-07
au
i
13.76323734585172
5.6002e-06
deg
node
52.08079598273568
2.0959e-05
deg
peri
278.6922467958598
2.6084e-05
deg
M
42.41841242047754
1.5504e-05
deg
t
p
2458369.571992611794
(2018-Sep-08.07199261)
8.4196e-05
TDB
period
1959.858417983158
5.37
2.1481e-05
5.881e-08
d
yr
n
.1836867381320673
2.0133e-09
deg/d
Q
3.588998910121477
2.6225e-08
au
Orbit Determination Parameters
# obs. used (total)
960
data-arc span
9863 days (27.00 yr)
first obs. used
1992-11-24
last obs. used
2019-11-26
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.55188
source
ORB
producer
Otto Matic
solution date
2019-Dec-04 03:32:36
Additional Information
Earth MOID
= 1.57585 au
Jupiter MOID
= 1.98247 au
T_jup
= 3.167
[ hide covariance matrix ]
Orbital Elements at Epoch 2456712.5 (2014-Feb-24.0) TDB
Reference:
JPL 25
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.1740117441857337
4.4779e-08
q
2.528972304264651
1.401e-07
au
t
p
2456399.230927986698
(2013-Apr-16.73092799)
8.1427e-05
TDB
node
52.48623503647468
2.1075e-05
deg
peri
276.6929627086845
2.582e-05
deg
i
13.73394093670746
5.586e-06
deg
Orbit Determination Parameters
# obs. used (total)
960
data-arc span
9863 days (27.00 yr)
first obs. used
1992-11-24
last obs. used
2019-11-26
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.55188
source
ORB
producer
Otto Matic
solution date
2019-Dec-04 03:32:36
Additional Information
Jupiter MOID
= 1.98247 au
T_jup
= 3.167
Orbit Covariance (6×6)
e
q
tp
node
peri
i
e
2.005117023288399E-15
-6.220217504994481E-15
7.952186538925045E-13
-1.560123934723774E-15
1.601457225352632E-13
-3.223703054033889E-15
q
-6.220217504994481E-15
1.962799265209665E-14
-2.637510209049085E-12
3.633950209896029E-15
-5.168817394409466E-13
1.259885616970028E-14
tp
7.952186538925045E-13
-2.637510209049085E-12
6.630279368221357E-9
-2.099278979633686E-12
1.246279285946931E-9
1.759581196732103E-12
node
-1.560123934723774E-15
3.633950209896029E-15
-2.099278979633686E-12
4.441649351231432E-10
-4.31476087591703E-10
-2.685878386378222E-11
peri
1.601457225352632E-13
-5.168817394409466E-13
1.246279285946931E-9
-4.31476087591703E-10
6.666909546027247E-10
2.619744961448706E-11
i
-3.223703054033889E-15
1.259885616970028E-14
1.759581196732103E-12
-2.685878386378222E-11
2.619744961448706E-11
3.120296663143618E-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
14.0
n/a
MPO459182
diameter
diameter
8.566
km
0.200
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
geometric albedo
albedo
0.055
0.009
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
48164 (2001 HJ9)
Discovered 2001-Apr-16 by LINEAR at Socorro
Reference:
20020921/Numbers.arc
Last Updated:
2004-04-19
[ show close-approach data ]
Alternate Designations
2001 HJ9
= 1999 BM18
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
|
Close-Approach Data
]
2019-Dec-07 01:45 UT
(server date/time)
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