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JPL Small-Body Database Browser
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344189 (2001 HJ61)
Classification:
Main-belt Asteroid
SPK-ID:
2344189
[
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 7
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.1648149887983518
1.119e-07
a
2.756970940459962
2.6983e-08
au
q
2.302580805790672
3.1319e-07
au
i
8.924168473036103
1.091e-05
deg
node
44.33913550262257
6.496e-05
deg
peri
176.9661782467628
7.1514e-05
deg
M
337.9852408422774
3.0191e-05
deg
t
p
2458702.748782972924
(2019-Aug-07.24878297)
0.00014043
TDB
period
1672.040180250632
4.58
2.4546e-05
6.72e-08
d
yr
n
.2153058307163632
3.1608e-09
deg/d
Q
3.211361075129252
3.143e-08
au
Orbit Determination Parameters
# obs. used (total)
184
data-arc span
6579 days (18.01 yr)
first obs. used
2001-04-24
last obs. used
2019-04-29
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.52418
source
ORB
producer
Otto Matic
solution date
2019-May-30 09:23:34
Additional Information
Earth MOID
= 1.29442 au
Jupiter MOID
= 1.76478 au
T_jup
= 3.306
[ show covariance matrix ]
[
Ephemeris
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Orbit Diagram
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Orbital Elements
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Mission Design
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Physical Parameters
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Close-Approach Data
]
Physical Parameter Table
Parameter
Symbol
Value
Units
Sigma
Reference
Notes
absolute magnitude
H
16.4
n/a
MPO391763
diameter
diameter
3.089
km
0.051
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
geometric albedo
albedo
0.056
0.007
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
344189 (2001 HJ61)
Discovered 2001-Apr-24 by Spacewatch at Kitt Peak
Reference:
20121128/Numbers.arc
Last Updated:
2012-12-03
[ show close-approach data ]
Alternate Designations
2001 HJ61
= 2010 EX108
[
Ephemeris
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Orbit Diagram
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Orbital Elements
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Mission Design
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Physical Parameters
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Discovery Circumstances
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Close-Approach Data
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2019-Dec-05 18:04 UT
(server date/time)
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Ryan S. Park
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