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JPL Small-Body Database Browser
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447903 (2007 XJ20)
Classification: Apollo [NEO]          SPK-ID: 2447903
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 42 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5996929881594011 8.594e-08  
a 1.694074161864248 1.8207e-08 au
q .6781497655722443 1.4148e-07 au
i 10.63877894592509 9.8994e-06 deg
node 56.63540257733051 5.5201e-05 deg
peri 151.9256486544039 5.6335e-05 deg
M 354.3934237759946 1.746e-05 deg
tp 2458613.042736106103
(2019-May-09.54273611)
3.9104e-05 TDB
period 805.3729794778634
2.20
1.2983e-05
3.555e-08
d
yr
n .4469978620755242 7.206e-09 deg/d
Q 2.709998558156252 2.9125e-08 au
  Orbit Determination Parameters
   # obs. used (total)      136  
   data-arc span      5032 days (13.78 yr)  
   first obs. used      2005-10-28  
   last obs. used      2019-08-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61521  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Aug-12 05:33:38  

Additional Information
 Earth MOID = .149539 au 
 Jupiter MOID = 2.26705 au 
 T_jup = 3.969 
[ 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 18.5   n/a MPO232555  

447903 (2007 XJ20)          Discovered 2007-Dec-13 by LINEAR at Socorro
Reference: Last Updated: 2015-10-28

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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