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129596 (1997 VR1)
Classification: Main-belt Asteroid          SPK-ID: 2129596
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2193487781144812 7.1465e-08  
a 2.319951860141989 1.0709e-08 au
q 1.811073254335426 1.6809e-07 au
i 23.36490039664922 5.8753e-06 deg
node 50.65138165022431 1.6589e-05 deg
peri 304.8346995483543 2.0029e-05 deg
M 172.0950512912638 1.2962e-05 deg
tp 2458383.503404022264
(2018-Sep-22.00340402)
4.4732e-05 TDB
period 1290.674966452452
3.53
8.9367e-06
2.447e-08
d
yr
n .2789238261818122 1.9313e-09 deg/d
Q 2.828830465948552 1.3058e-08 au
  Orbit Determination Parameters
   # obs. used (total)      620  
   data-arc span      8208 days (22.47 yr)  
   first obs. used      1997-10-30  
   last obs. used      2020-04-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54513  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 21:45:33  

Additional Information
 Earth MOID = .888129 au 
 Jupiter MOID = 2.78618 au 
 T_jup = 3.439 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.7   n/a MPO469352  
diameter diameter 4.359 km 0.066 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.057   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

129596 (1997 VR1)          Discovered 1997-Nov-02 by Okuni, T. at Nanyo
Reference: 20060711/Numbers.arcLast Updated: 2006-07-17

Alternate Designations
 1997 VR1 = 2004 TR247 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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