+ View the NASA Portal
+ Center for Near-Earth Object Studies
IMPORTANT:
The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.
Please visit
this page
for more details.
Don't show this message again
JPL Small-Body Database Browser
Search:
[
help
]
379800 (2011 JJ4)
Classification:
Main-belt Asteroid
SPK-ID:
2379800
[
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 10
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.0174945722892334
7.6071e-08
a
3.18009356830261
7.4558e-08
au
q
3.124459191485414
2.3827e-07
au
i
8.697717875784562
8.5904e-06
deg
node
123.6051622554889
8.079e-05
deg
peri
174.855535393962
0.00037957
deg
M
74.14268384389472
0.00036903
deg
t
p
2458173.896831704224
(2018-Feb-24.39683170)
0.0021276
TDB
period
2071.372826344291
5.67
7.2845e-05
1.994e-07
d
yr
n
.173797780593344
6.1121e-09
deg/d
Q
3.235727945119807
7.5862e-08
au
Orbit Determination Parameters
# obs. used (total)
81
data-arc span
5387 days (14.75 yr)
first obs. used
2003-12-17
last obs. used
2018-09-16
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.67615
source
ORB
producer
Otto Matic
solution date
2018-Oct-04 11:35:25
Additional Information
Earth MOID
= 2.10813 au
Jupiter MOID
= 1.85268 au
T_jup
= 3.182
[ show covariance matrix ]
[
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
15.9
n/a
MPO418933
diameter
diameter
4.511
km
1.022
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
geometric albedo
albedo
0.151
0.057
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
379800 (2011 JJ4)
Discovered 2003-Dec-17 by Spacewatch at Kitt Peak
Reference:
Last Updated:
2013-11-20
[ show close-approach data ]
Alternate Designations
2011 JJ4
= 2010 JQ59
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
|
Close-Approach Data
]
2019-Dec-14 16:40 UT
(server date/time)
Site Manager:
Ryan S. Park
Webmaster
:
Alan B. Chamberlin