+ 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
]
243297 (2008 EJ60)
Classification:
Main-belt Asteroid
SPK-ID:
2243297
[
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 14
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.05409493951657261
4.8001e-08
a
2.977772103142061
3.4078e-08
au
q
2.816689701328454
1.3846e-07
au
i
13.46656351728763
6.4963e-06
deg
node
187.3756638156311
2.1197e-05
deg
peri
277.9113804034356
6.5179e-05
deg
M
124.2929619598343
6.0058e-05
deg
t
p
2457952.493071853514
(2017-Jul-17.99307185)
0.00031547
TDB
period
1876.876135658599
5.14
3.2219e-05
8.821e-08
d
yr
n
.1918080757490559
3.2927e-09
deg/d
Q
3.138854504955669
3.5922e-08
au
Orbit Determination Parameters
# obs. used (total)
265
data-arc span
6811 days (18.65 yr)
first obs. used
2000-10-01
last obs. used
2019-05-26
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.56921
source
ORB
producer
Otto Matic
solution date
2019-Jul-14 10:52:44
Additional Information
Earth MOID
= 1.87264 au
Jupiter MOID
= 1.95967 au
T_jup
= 3.217
[ 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
15.7
n/a
MPO437136
diameter
diameter
5.046
km
0.811
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
geometric albedo
albedo
0.040
0.011
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
243297 (2008 EJ60)
Discovered 2008-Mar-08 by CSS at Catalina
Reference:
20100626/Numbers.arc
Last Updated:
2010-06-28
[ show close-approach data ]
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
|
Close-Approach Data
]
2019-Dec-14 09:04 UT
(server date/time)
Site Manager:
Ryan S. Park
Webmaster
:
Alan B. Chamberlin