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102780 (1999 VO147)
Classification: Main-belt Asteroid          SPK-ID: 2102780
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .195320278428093 4.4025e-08  
a 2.214207487190994 8.165e-09 au
q 1.781727864295281 9.8615e-08 au
i 2.950456746113428 5.2869e-06 deg
node 85.363315389 9.4675e-05 deg
peri 231.8588970455347 9.5691e-05 deg
M 154.2004898325728 1.4649e-05 deg
tp 2458485.023166727888
(2019-Jan-01.52316673)
4.7609e-05 TDB
period 1203.444036912267
3.29
6.6566e-06
1.822e-08
d
yr
n .2991414548230001 1.6546e-09 deg/d
Q 2.646687110086707 9.7598e-09 au
  Orbit Determination Parameters
   # obs. used (total)      342  
   data-arc span      7979 days (21.85 yr)  
   first obs. used      1998-03-25  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63126  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 01:40:35  

Additional Information
 Earth MOID = .770123 au 
 Jupiter MOID = 2.64503 au 
 T_jup = 3.628 
[ 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 16.9   n/a MPO244931  
rotation period rot_per 34.217 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

102780 (1999 VO147)          Discovered 1999-Nov-13 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1999 VO147 = 1998 HB = 2002 QW34 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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