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442269 (2011 QO51)
Classification: Main-belt Asteroid          SPK-ID: 2442269
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2880058194905089 2.1334e-07  
a 2.562326936163354 5.0537e-08 au
q 1.824361867111023 5.7126e-07 au
i 12.26113707555586 1.6359e-05 deg
node 282.3616742466642 3.4816e-05 deg
peri 53.65000029020247 4.8816e-05 deg
M 49.78942246742926 3.8442e-05 deg
tp 2458793.302348797928
(2019-Nov-05.80234880)
0.00015492 TDB
period 1498.132549770812
4.10
4.4322e-05
1.213e-07
d
yr
n .2402991644865294 7.1091e-09 deg/d
Q 3.300292005215686 6.5092e-08 au
  Orbit Determination Parameters
   # obs. used (total)      136  
   data-arc span      4876 days (13.35 yr)  
   first obs. used      2007-06-17  
   last obs. used      2020-10-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50361  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 08:47:36  

Additional Information
 Earth MOID = .84285 au 
 Jupiter MOID = 2.17981 au 
 T_jup = 3.344 
[ 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 17.1   n/a MPO357033  

442269 (2011 QO51)          Discovered 2007-Jun-17 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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