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190939 (2001 VD33)
Classification: Main-belt Asteroid          SPK-ID: 2190939
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1901453206069565 6.8502e-08  
a 2.433896466753094 1.6494e-08 au
q 1.971102442758188 1.6476e-07 au
i 3.296885667084421 7.7719e-06 deg
node 40.66712969251791 6.8902e-05 deg
peri 327.6732379424422 7.0748e-05 deg
M 51.41246127897608 1.4224e-05 deg
tp 2459002.430560826392
(2020-Jun-01.93056083)
5.4562e-05 TDB
period 1386.920531105901
3.80
1.4099e-05
3.86e-08
d
yr
n .2595678641464365 2.6386e-09 deg/d
Q 2.896690490748 1.9631e-08 au
  Orbit Determination Parameters
   # obs. used (total)      474  
   data-arc span      7038 days (19.27 yr)  
   first obs. used      2001-11-09  
   last obs. used      2021-02-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56223  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:09:44  

Additional Information
 Earth MOID = .969781 au 
 Jupiter MOID = 2.56622 au 
 T_jup = 3.479 
[ 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 16.5   n/a MPO436945  
rotation period rot_per 2.73 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Chang, C.-H.; Lin, H.-W.; Ip, W.-H.; Chen, W.-P.; et al. (2019) Ap. J. Supp. Ser. 241, A6.]

190939 (2001 VD33)          Discovered 2001-Nov-09 by LINEAR at Socorro
Reference: 20080917/Numbers.arcLast Updated: 2008-09-19

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