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39813 (1997 XV4)
Classification: Main-belt Asteroid          SPK-ID: 2039813
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0904138453465991 3.4581e-08  
a 2.250769160413464 7.4076e-09 au
q 2.047268465632946 7.7499e-08 au
i 2.25762402709422 4.4154e-06 deg
node 128.559961637395 9.2042e-05 deg
peri 317.8296244887599 9.5632e-05 deg
M 156.8957356624664 2.46e-05 deg
tp 2458062.969019451202
(2017-Nov-05.46901945)
8.4299e-05 TDB
period 1233.374203451091
3.38
6.0888e-06
1.667e-08
d
yr
n .2918822195183651 1.4409e-09 deg/d
Q 2.454269855193981 8.0774e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1338  
   data-arc span      7460 days (20.42 yr)  
   first obs. used      1997-12-06  
   last obs. used      2018-05-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5331  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 02:08:31  

Additional Information
 Earth MOID = 1.0642 au 
 Jupiter MOID = 2.68626 au 
 T_jup = 3.621 
[ 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 15.0   n/a MPO493126  

39813 (1997 XV4)          Discovered 1997-Dec-06 by ODAS at Caussols
Reference: 20020526/Numbers.arcLast Updated: 2004-04-19

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