+ 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
]
295037 (2008 ER89)
Classification:
Main-belt Asteroid
SPK-ID:
2295037
[
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 11
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.1813886336476488
9.1381e-08
a
2.333925395232635
1.9368e-08
au
q
1.910577856755839
2.1988e-07
au
i
4.688965239990299
1.0427e-05
deg
node
325.0811309579784
6.7302e-05
deg
peri
231.9345933062224
7.3903e-05
deg
M
34.46634362831816
2.666e-05
deg
t
p
2458475.812879934166
(2018-Dec-23.31287993)
9.5899e-05
TDB
period
1302.353499047113
3.57
1.6211e-05
4.438e-08
d
yr
n
.2764226458203549
3.4407e-09
deg/d
Q
2.757272933709431
2.2881e-08
au
Orbit Determination Parameters
# obs. used (total)
182
data-arc span
7592 days (20.79 yr)
first obs. used
1997-02-14
last obs. used
2017-11-28
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.52419
source
ORB
producer
Otto Matic
solution date
2017-Dec-07 18:13:52
Additional Information
Earth MOID
= .913935 au
Jupiter MOID
= 2.22151 au
T_jup
= 3.542
[ 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
16.9
n/a
MPO433901
295037 (2008 ER89)
Discovered 2008-Mar-10 by LINEAR at Socorro
Reference:
20110912/Numbers.arc
Last Updated:
2011-09-14
[ hide close-approach data ]
Close-Approach Data
...sorted by
Date/Time (TDB)
Date/Time (TDB)
Time Uncertainty
(days_HH:MM)
Body
Nominal Distance (au)
Minimum Distance (au)
Maximum Distance (au)
V-relative (km/s)
V-infinity (km/s)
JD (TDB)
Time Uncertainty (minutes)
Semi-major axis (km)
Semi-minor axis (km)
range-LOV angle (deg)
N-sigma
BP
Orbit Ref.
Reference
Modified
1921-Nov-16 02:09
< 00:01
Eunom
0.0220565187532039
0.022045879444598
0.0220671898863228
7.32582666603691
7.32582657916082
2423009.589750893
0.543838155456809
1445.02115874338
98.0403746907524
68.7695817771488
31371.4387674335
T
11
CATAB v2.0e-lin.ifort 2017-Dec-07 18:13:54
2018-Dec-18 00:29
Alternate Designations
2008 ER89
= 2005 NY47
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
|
Close-Approach Data
]
2019-Dec-14 19:04 UT
(server date/time)
Site Manager:
Ryan S. Park
Webmaster
:
Alan B. Chamberlin