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97109 (1999 VD79)
Classification: Main-belt Asteroid          SPK-ID: 2097109
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08959217070266839 3.5162e-08  
a 2.664461266001073 1.4681e-08 au
q 2.425746397426857 9.6305e-08 au
i 2.519540193504471 4.7071e-06 deg
node 279.6680354787176 0.00010125 deg
peri 152.0280391077102 0.00010609 deg
M 237.6448560571108 3.2941e-05 deg
tp 2459540.423555597585
(2021-Nov-21.92355560)
0.00014717 TDB
period 1588.592630857077
4.35
1.3129e-05
3.595e-08
d
yr
n .2266156804502945 1.8729e-09 deg/d
Q 2.903176134575289 1.5996e-08 au
  Orbit Determination Parameters
   # obs. used (total)      645  
   data-arc span      7672 days (21.00 yr)  
   first obs. used      1999-10-15  
   last obs. used      2020-10-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54421  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:19:43  

Additional Information
 Earth MOID = 1.44072 au 
 Jupiter MOID = 2.3084 au 
 T_jup = 3.377 
[ 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 15.6   n/a MPO344968  
diameter diameter 3.345 km 0.617 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 17.0950 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 sidereal period (not synodic); Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Durech, J.; Hanus, J.; Ali-Lagoa, V. (2018) Astron. Astrophys. 617, A57.]
geometric albedo albedo 0.091   0.017 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

97109 (1999 VD79)          Discovered 1999-Nov-04 by LINEAR at Socorro
Reference: 20050224/Numbers.arcLast Updated: 2005-02-28

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