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78241 (2002 OY22)
Classification: Main-belt Asteroid          SPK-ID: 2078241
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2922093875260266 4.0462e-08  
a 2.729848652165672 1.6846e-08 au
q 1.932161249477592 1.1431e-07 au
i 10.8790286576556 4.9656e-06 deg
node 55.04610289173571 3.357e-05 deg
peri 17.52987457243286 3.5268e-05 deg
M 257.5024320155144 1.3193e-05 deg
tp 2459469.548057046132
(2021-Sep-12.04805705)
6.2665e-05 TDB
period 1647.427386395805
4.51
1.525e-05
4.175e-08
d
yr
n .2185225297168319 2.0228e-09 deg/d
Q 3.527536054853752 2.1769e-08 au
  Orbit Determination Parameters
   # obs. used (total)      684  
   data-arc span      8920 days (24.42 yr)  
   first obs. used      1996-04-18  
   last obs. used      2020-09-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53767  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:27:36  

Additional Information
 Earth MOID = .949401 au 
 Jupiter MOID = 1.81744 au 
 T_jup = 3.267 
[ 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 MPO436329  

78241 (2002 OY22)          Discovered 2002-Jul-29 by NEAT at Palomar
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2002 OY22 = 1998 XW98 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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