+ 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
]
243570 (1995 XR4)
Classification:
Main-belt Asteroid
SPK-ID:
2243570
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
]
[ 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
.09393186448151493
4.8987e-08
a
2.595716292937607
1.9806e-08
au
q
2.351895821876931
1.3243e-07
au
i
6.582698522988093
5.5709e-06
deg
node
105.0129672496813
4.0684e-05
deg
peri
329.9345454991762
5.0275e-05
deg
M
207.3391784696203
3.2156e-05
deg
t
p
2459248.252885017931
(2021-Feb-02.75288502)
0.00013944
TDB
period
1527.51070162458
4.18
1.7483e-05
4.787e-08
d
yr
n
.2356775632518469
2.6974e-09
deg/d
Q
2.839536763998282
2.1666e-08
au
Orbit Determination Parameters
# obs. used (total)
274
data-arc span
8650 days (23.68 yr)
first obs. used
1995-12-14
last obs. used
2019-08-20
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.56673
source
ORB
producer
Otto Matic
solution date
2019-Sep-24 04:15:52
Additional Information
Earth MOID
= 1.36972 au
Jupiter MOID
= 2.36429 au
T_jup
= 3.402
[ show covariance matrix ]
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
]
Physical Parameter Table
Parameter
Symbol
Value
Units
Sigma
Reference
Notes
absolute magnitude
H
16.4
n/a
MPO450092
243570 (1995 XR4)
Discovered 1995-Dec-14 by Spacewatch at Kitt Peak
Reference:
20100726/Numbers.arc
Last Updated:
2010-07-28
Alternate Designations
1995 XR4
= 2008 YT106
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
]
2019-Dec-16 11:27 UT
(server date/time)
Site Manager:
Ryan S. Park
Webmaster
:
Alan B. Chamberlin