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JPL Small-Body Database Browser
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85613 (1998 HC33)
Classification:
Main-belt Asteroid
SPK-ID:
2085613
[
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
.1435873673966082
3.8414e-08
a
3.182321030290161
2.6891e-08
au
q
2.725379931339936
1.2573e-07
au
i
14.40393306095307
8.595e-06
deg
node
19.27852070334594
1.7543e-05
deg
peri
98.29724132291764
3.7696e-05
deg
M
321.6981809965923
3.1192e-05
deg
t
p
2458821.113105978246
(2019-Dec-03.61310598)
0.00018036
TDB
period
2073.549513277753
5.68
2.6283e-05
7.196e-08
d
yr
n
.1736153381893118
2.2006e-09
deg/d
Q
3.639262129240387
3.0752e-08
au
Orbit Determination Parameters
# obs. used (total)
617
data-arc span
8837 days (24.19 yr)
first obs. used
1995-09-18
last obs. used
2019-11-28
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.608
source
ORB
producer
Otto Matic
solution date
2019-Dec-04 08:17:57
Additional Information
Earth MOID
= 1.78798 au
Jupiter MOID
= 1.60743 au
T_jup
= 3.134
[ hide covariance matrix ]
Orbital Elements at Epoch 2456997.5 (2014-Dec-06.0) TDB
Reference:
JPL 16
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.1447515084873542
3.8489e-08
q
2.720249555026875
1.2627e-07
au
t
p
2456750.709010949305
(2014-Apr-03.20901095)
0.0001735
TDB
node
19.28779312228941
1.7546e-05
deg
peri
98.57207264007923
3.7428e-05
deg
i
14.4061885508655
8.5958e-06
deg
Orbit Determination Parameters
# obs. used (total)
617
data-arc span
8837 days (24.19 yr)
first obs. used
1995-09-18
last obs. used
2019-11-28
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.608
source
ORB
producer
Otto Matic
solution date
2019-Dec-04 08:17:57
Additional Information
Jupiter MOID
= 1.60743 au
T_jup
= 3.134
Orbit Covariance (6×6)
e
q
tp
node
peri
i
e
1.481371625359898E-15
-4.779216709955594E-15
1.302206354278151E-12
-2.912882014338529E-15
2.70821411642095E-13
-5.979618372376441E-15
q
-4.779216709955594E-15
1.594375920679861E-14
-3.702996897562789E-12
7.80584627774089E-15
-7.724475664609551E-13
2.092649642585404E-14
tp
1.302206354278151E-12
-3.702996897562789E-12
3.010054501949846E-8
-6.305044042765955E-11
5.747554495184097E-9
1.478099124630521E-11
node
-2.912882014338529E-15
7.80584627774089E-15
-6.305044042765955E-11
3.078632893669805E-10
-3.094418612764175E-10
1.484208454758314E-11
peri
2.70821411642095E-13
-7.724475664609551E-13
5.747554495184097E-9
-3.094418612764175E-10
1.400891589581486E-9
-1.152578636120777E-11
i
-5.979618372376441E-15
2.092649642585404E-14
1.478099124630521E-11
1.484208454758314E-11
-1.152578636120777E-11
7.388779168824174E-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
14.4
n/a
MPO337904
diameter
diameter
7.421
km
0.306
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
geometric albedo
albedo
0.073
0.016
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
85613 (1998 HC33)
Discovered 1998-Apr-20 by LINEAR at Socorro
Reference:
20040830/Numbers.arc
Last Updated:
2004-09-06
[ show close-approach data ]
Alternate Designations
1998 HC33
= 2001 SG281
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
|
Close-Approach Data
]
2019-Dec-12 19:39 UT
(server date/time)
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