+ 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
]
74493 (1999 CQ122)
Classification:
Main-belt Asteroid
SPK-ID:
2074493
[
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 23
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.1114607492073973
3.924e-08
a
3.166626012950028
2.6757e-08
au
q
2.813671505086984
1.3127e-07
au
i
22.13434180571596
7.8809e-06
deg
node
.9198309653170457
1.1675e-05
deg
peri
86.44931639060044
3.6601e-05
deg
M
243.6234470689712
3.498e-05
deg
t
p
2459265.859830663518
(2021-Feb-20.35983066)
0.00020305
TDB
period
2058.228509146725
5.64
2.6087e-05
7.142e-08
d
yr
n
.1749076929020114
2.2169e-09
deg/d
Q
3.519580520813072
2.9739e-08
au
Orbit Determination Parameters
# obs. used (total)
897
data-arc span
7621 days (20.87 yr)
first obs. used
1999-01-14
last obs. used
2019-11-26
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.47044
source
ORB
producer
Otto Matic
solution date
2019-Dec-04 06:47:49
Additional Information
Earth MOID
= 1.93508 au
Jupiter MOID
= 1.80685 au
T_jup
= 3.079
[ 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
13.5
n/a
MPO412635
diameter
diameter
9.359
km
0.069
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
geometric albedo
albedo
0.088
0.017
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
74493 (1999 CQ122)
Discovered 1999-Feb-11 by LINEAR at Socorro
Reference:
20040415/Numbers.arc
Last Updated:
2004-04-19
[ show close-approach data ]
Alternate Designations
1999 CQ122
= 2000 JJ79
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
|
Close-Approach Data
]
2019-Dec-06 18:18 UT
(server date/time)
Site Manager:
Ryan S. Park
Webmaster
:
Alan B. Chamberlin