+ 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
]
447242 (2005 UK204)
Classification:
Main-belt Asteroid
SPK-ID:
2447242
[
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 8
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.207734808466384
8.4129e-08
a
2.985648418111716
4.4189e-08
au
q
2.365425315827316
2.5259e-07
au
i
11.21830016589363
1.2419e-05
deg
node
223.3804345839264
4.8286e-05
deg
peri
206.6635819452577
6.7616e-05
deg
M
209.1869957470003
4.2921e-05
deg
t
p
2459389.891989561431
(2021-Jun-24.39198956)
0.00022974
TDB
period
1884.327665573062
5.16
4.1834e-05
1.145e-07
d
yr
n
.1910495751759377
4.2415e-09
deg/d
Q
3.605871520396115
5.3369e-08
au
Orbit Determination Parameters
# obs. used (total)
105
data-arc span
4163 days (11.40 yr)
first obs. used
2005-10-25
last obs. used
2017-03-19
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.55659
source
ORB
producer
Otto Matic
solution date
2017-Apr-09 11:41:27
Additional Information
Earth MOID
= 1.38468 au
Jupiter MOID
= 1.76049 au
T_jup
= 3.196
[ 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
16.8
n/a
MPO397617
447242 (2005 UK204)
Discovered 2005-Oct-25 by Mt. Lemmon Survey at Mount Lemmon
Reference:
Last Updated:
2015-10-28
[ show close-approach data ]
Alternate Designations
2005 UK204
= 2010 UR39
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
|
Close-Approach Data
]
2019-Dec-15 19:30 UT
(server date/time)
Site Manager:
Ryan S. Park
Webmaster
:
Alan B. Chamberlin