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120297 (2004 JD22)
Classification: Main-belt Asteroid          SPK-ID: 2120297
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2598672311108972 7.354e-08  
a 2.323614000819862 8.6304e-09 au
q 1.71978286425629 1.7463e-07 au
i 1.816077108404804 5.8214e-06 deg
node 8.831305864093457 0.00010264 deg
peri 6.247176307576237 0.00010304 deg
M 61.86321130061504 6.6103e-06 deg
tp 2458778.182134847563
(2019-Oct-21.68213485)
2.3423e-05 TDB
period 1293.73224849195
3.54
7.2078e-06
1.973e-08
d
yr
n .2782646876273179 1.5503e-09 deg/d
Q 2.927445137383433 1.0873e-08 au
  Orbit Determination Parameters
   # obs. used (total)      713  
   data-arc span      7656 days (20.96 yr)  
   first obs. used      1998-12-14  
   last obs. used      2019-11-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52835  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 10:00:08  

Additional Information
 Earth MOID = .720881 au 
 Jupiter MOID = 2.53749 au 
 T_jup = 3.529 
[ 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 16.0   n/a MPO502801  

120297 (2004 JD22)          Discovered 2004-May-09 by Spacewatch at Kitt Peak
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

[ show close-approach data ]
Alternate Designations
 2004 JD22 = 1998 XP34 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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