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78240 (2002 ON22)
Classification: Main-belt Asteroid          SPK-ID: 2078240
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 .1415278406788557 5.1599e-08  
a 2.223038830316657 1.0038e-08 au
q 1.908416944916692 1.1098e-07 au
i 5.059781370486482 4.853e-06 deg
node 322.8014793247693 5.1072e-05 deg
peri 335.7396067238664 5.5018e-05 deg
M 150.3493942653733 2.4209e-05 deg
tp 2458494.887058045995
(2019-Jan-11.38705805)
7.9162e-05 TDB
period 1210.651097018504
3.31
8.2001e-06
2.245e-08
d
yr
n .2973606523684484 2.0141e-09 deg/d
Q 2.537660715716622 1.1459e-08 au
  Orbit Determination Parameters
   # obs. used (total)      540  
   data-arc span      7693 days (21.06 yr)  
   first obs. used      1999-10-03  
   last obs. used      2020-10-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58638  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:27:36  

Additional Information
 Earth MOID = .894133 au 
 Jupiter MOID = 2.66067 au 
 T_jup = 3.630 
[ 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 16.3   n/a MPO244787  

78240 (2002 ON22)          Discovered 2002-Jul-31 by Broughton, J. at Reedy Creek
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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