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100641 (1997 VO4)
Classification: Main-belt Asteroid          SPK-ID: 2100641
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1603762410889759 1.2233e-07  
a 2.605119587274626 1.743e-08 au
q 2.187320300280257 3.1534e-07 au
i 29.93741154099636 8.1064e-06 deg
node 35.19775062138991 1.0396e-05 deg
peri 332.9537364385434 2.0066e-05 deg
M 198.1691378574425 1.4825e-05 deg
tp 2459890.896800870840
(2022-Nov-07.39680087)
6.4748e-05 TDB
period 1535.818601117998
4.20
1.5413e-05
4.22e-08
d
yr
n .2344026825420256 2.3525e-09 deg/d
Q 3.022918874268994 2.0225e-08 au
  Orbit Determination Parameters
   # obs. used (total)      523  
   data-arc span      9707 days (26.58 yr)  
   first obs. used      1993-10-19  
   last obs. used      2020-05-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54796  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:05:03  

Additional Information
 Earth MOID = 1.21055 au 
 Jupiter MOID = 2.46923 au 
 T_jup = 3.208 
[ 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 15.78   n/a E2021B55  
rotation period rot_per 12.5992 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:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]

100641 (1997 VO4)          Discovered 1997-Nov-03 by Giuliani, V., Manca, F. at Sormano
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1997 VO4 = 2001 RA47 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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