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JPL Small-Body Database Browser
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212314 (2005 QU42)
Classification: Outer Main-belt Asteroid          SPK-ID: 2212314
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1468378196029648 6.3332e-08  
a 3.221307811496626 3.7257e-08 au
q 2.748297996186463 2.0028e-07 au
i 5.216229888419076 7.9642e-06 deg
node 18.41983930383874 5.6991e-05 deg
peri 315.1581014426395 6.1691e-05 deg
M 138.6761716790184 2.562e-05 deg
tp 2457787.021444762142
(2017-Feb-02.52144476)
0.00014321 TDB
period 2111.770727010467
5.78
3.6637e-05
1.003e-07
d
yr
n .1704730515464786 2.9575e-09 deg/d
Q 3.694317626806789 4.2728e-08 au
  Orbit Determination Parameters
   # obs. used (total)      377  
   data-arc span      7064 days (19.34 yr)  
   first obs. used      1999-09-07  
   last obs. used      2019-01-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58494  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 04:26:27  

Additional Information
 Earth MOID = 1.74073 au 
 Jupiter MOID = 1.69586 au 
 T_jup = 3.165 
[ 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 14.9   n/a MPO437020  

212314 (2005 QU42)          Discovered 2005-Aug-26 by LONEOS at Anderson Mesa
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10

[ show close-approach data ]
Alternate Designations
 2005 QU42 = 1999 RH254 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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