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173312 (1999 VM39)
Classification: Main-belt Asteroid          SPK-ID: 2173312
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 .203836169017195 5.6591e-08  
a 2.438895318108552 1.3081e-08 au
q 1.941760239831332 1.3534e-07 au
i 2.320111907245178 4.117e-06 deg
node 76.90483125648662 0.00013565 deg
peri 279.5458313645308 0.00013604 deg
M 183.6002584904778 1.0877e-05 deg
tp 2459682.184800229452
(2022-Apr-12.68480023)
4.489e-05 TDB
period 1391.195508465955
3.81
1.1192e-05
3.064e-08
d
yr
n .2587702431536494 2.0818e-09 deg/d
Q 2.936030396385772 1.5747e-08 au
  Orbit Determination Parameters
   # obs. used (total)      449  
   data-arc span      7389 days (20.23 yr)  
   first obs. used      1999-11-09  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55761  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 17:02:13  

Additional Information
 Earth MOID = .939138 au 
 Jupiter MOID = 2.50944 au 
 T_jup = 3.473 
[ 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 16.6   n/a MPO469857  

173312 (1999 VM39)          Discovered 1999-Nov-10 by LINEAR at Socorro
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

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