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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1473364552684265 6.3284e-08  
a 3.219926934177879 3.6671e-08 au
q 2.745514313472778 1.9999e-07 au
i 5.217387250887326 7.5727e-06 deg
node 18.40436870204227 5.464e-05 deg
peri 315.1853473667568 5.8975e-05 deg
M 206.8648859588683 2.5633e-05 deg
tp 2459898.217595901327
(2022-Nov-14.71759590)
0.00016025 TDB
period 2110.412994094044
5.78
3.6052e-05
9.87e-08
d
yr
n .1705827252805276 2.9141e-09 deg/d
Q 3.69433955488298 4.2074e-08 au
  Orbit Determination Parameters
   # obs. used (total)      413  
   data-arc span      7562 days (20.70 yr)  
   first obs. used      1999-09-07  
   last obs. used      2020-05-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56788  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 04:01:50  

Additional Information
 Earth MOID = 1.73885 au 
 Jupiter MOID = 1.69918 au 
 T_jup = 3.166 
[ 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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