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JPL Small-Body Database Browser
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154051 (2002 CQ121)
Classification: Main-belt Asteroid          SPK-ID: 2154051
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1314299745642399 5.6521e-08  
a 2.765782672465642 2.3691e-08 au
q 2.402275926173268 1.5294e-07 au
i 8.601513714999735 5.3961e-06 deg
node 297.5841958135729 3.2147e-05 deg
peri 4.51010502869561 3.7385e-05 deg
M 190.3568814270459 2.2513e-05 deg
tp 2459792.197458631322
(2022-Jul-31.69745863)
0.00011063 TDB
period 1680.062754710022
4.60
2.1587e-05
5.91e-08
d
yr
n .2142777101574018 2.7532e-09 deg/d
Q 3.129289418758018 2.6805e-08 au
  Orbit Determination Parameters
   # obs. used (total)      403  
   data-arc span      7541 days (20.65 yr)  
   first obs. used      1999-06-11  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58336  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 09:29:41  

Additional Information
 Earth MOID = 1.3869 au 
 Jupiter MOID = 2.09382 au 
 T_jup = 3.311 
[ 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 15.4   n/a MPO453999  

154051 (2002 CQ121)          Discovered 2002-Feb-07 by LINEAR at Socorro
Reference: 20070402/Numbers.arcLast Updated: 2007-04-04

Alternate Designations
 2002 CQ121 = 1999 NV33 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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