+ 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
]
173770 (2001 RQ149)
Classification:
Main-belt Asteroid
SPK-ID:
2173770
[
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 9
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.06837705262763516
6.0148e-08
a
2.814688747627107
3.2559e-08
au
q
2.622228627000196
1.6599e-07
au
i
3.97364665571141
7.8707e-06
deg
node
336.401171277073
8.1342e-05
deg
peri
134.4102881507042
9.7625e-05
deg
M
150.0804973345232
5.3771e-05
deg
t
p
2457881.438971353478
(2017-May-07.93897135)
0.00025506
TDB
period
1724.820845547675
4.72
2.9928e-05
8.194e-08
d
yr
n
.2087173290659592
3.6215e-09
deg/d
Q
3.007148868254018
3.4785e-08
au
Orbit Determination Parameters
# obs. used (total)
297
data-arc span
6170 days (16.89 yr)
first obs. used
2001-05-24
last obs. used
2018-04-15
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.63306
source
ORB
producer
Otto Matic
solution date
2019-Jul-13 13:00:58
Additional Information
Earth MOID
= 1.64095 au
Jupiter MOID
= 2.05833 au
T_jup
= 3.313
[ 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
15.8
n/a
MPO439994
173770 (2001 RQ149)
Discovered 2001-Sep-11 by LONEOS at Anderson Mesa
Reference:
20080122/Numbers.arc
Last Updated:
2008-01-28
[ show close-approach data ]
Alternate Designations
2001 RQ149
= 2003 AC32
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
|
Close-Approach Data
]
2019-Dec-15 22:03 UT
(server date/time)
Site Manager:
Ryan S. Park
Webmaster
:
Alan B. Chamberlin