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JPL Small-Body Database Browser
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379771 (2011 HE28)
Classification:
Main-belt Asteroid
SPK-ID:
2379771
[
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
.1600554905329984
7.9782e-08
a
2.616620991987511
4.5862e-08
au
q
2.197816435576009
2.1005e-07
au
i
2.701884087605492
8.4801e-06
deg
node
229.4397299309684
0.00020638
deg
peri
1.833209847465794
0.00020846
deg
M
308.1142345445677
3.3309e-05
deg
t
p
2458823.320623975941
(2019-Dec-05.82062398)
0.00014534
TDB
period
1546.000602038733
4.23
4.0646e-05
1.113e-07
d
yr
n
.2328589002651505
6.1221e-09
deg/d
Q
3.035425548399013
5.3203e-08
au
Orbit Determination Parameters
# obs. used (total)
151
data-arc span
5309 days (14.54 yr)
first obs. used
2004-10-15
last obs. used
2019-04-29
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.54191
source
ORB
producer
Otto Matic
solution date
2019-Jul-14 14:04:37
Additional Information
Earth MOID
= 1.1872 au
Jupiter MOID
= 1.95845 au
T_jup
= 3.387
[ 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
MPO427887
379771 (2011 HE28)
Discovered 2005-Dec-29 by Spacewatch at Kitt Peak
Reference:
Last Updated:
2013-11-20
[ show close-approach data ]
Alternate Designations
2011 HE28
= 2005 YP252
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
|
Close-Approach Data
]
2019-Dec-15 21:25 UT
(server date/time)
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