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48809 (1997 VX4)
Classification: Main-belt Asteroid          SPK-ID: 2048809
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .26119999850519 6.034e-08  
a 3.037443372843497 2.5264e-08 AU
q 2.244063168397176 1.8497e-07 AU
i 1.253006511311797 5.9832e-06 deg
node 80.25070165709164 0.00027789 deg
peri 346.0165342761877 0.00027822 deg
M 66.28361981182427 1.0845e-05 deg
tp 2456644.488170473428
(2013-Dec-17.98817047)
5.7434e-05 JED
period 1933.57361884305
5.29
2.4124e-05
6.605e-08
d
yr
n .1861837565902483 2.3229e-09 deg/d
Q 3.830823577289818 3.1863e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      661  
   data-arc span      6411 days (17.55 yr)  
   first obs. used      1997-10-04  
   last obs. used      2015-04-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54766  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Sep-02 15:52:15  

Additional Information
 Earth MOID = 1.2575 AU 
 T_jup = 3.188 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.9 mag n/a MPO337647  

48809 (1997 VX4)          Discovered 1997-Nov-04 by Shimizu, Y., Urata, T. at Nachi-Katsuura
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

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