+ 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
]
146451 (2001 RP26)
Classification:
Main-belt Asteroid
SPK-ID:
2146451
[
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 19
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.2019852704430808
3.6309e-08
a
2.676432053405747
1.368e-08
au
q
2.135832201276057
9.7236e-08
au
i
6.042785176857334
4.7222e-06
deg
node
2.037926260230913
4.2448e-05
deg
peri
38.91333559960522
4.4088e-05
deg
M
330.4912567117838
1.2671e-05
deg
t
p
2458731.593444266925
(2019-Sep-05.09344427)
5.665e-05
TDB
period
1599.310396757526
4.38
1.2262e-05
3.357e-08
d
yr
n
.2250970172706132
1.7258e-09
deg/d
Q
3.217031905535437
1.6443e-08
au
Orbit Determination Parameters
# obs. used (total)
742
data-arc span
6676 days (18.28 yr)
first obs. used
2001-08-25
last obs. used
2019-12-05
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.53737
source
ORB
producer
Otto Matic
solution date
2019-Dec-14 11:36:26
Additional Information
Earth MOID
= 1.147 au
Jupiter MOID
= 2.23219 au
T_jup
= 3.341
[ 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
15.3
n/a
MPO453929
diameter
diameter
4.563
km
0.054
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
geometric albedo
albedo
0.023
0.011
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)
146451 (2001 RP26)
Discovered 2001-Sep-07 by LINEAR at Socorro
Reference:
20070106/Numbers.arc
Last Updated:
2007-01-09
[ show close-approach data ]
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
|
Close-Approach Data
]
2019-Dec-16 11:22 UT
(server date/time)
Site Manager:
Ryan S. Park
Webmaster
:
Alan B. Chamberlin