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305174 (2007 VF284)
Classification: Main-belt Asteroid          SPK-ID: 2305174
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .105842879794398 8.3578e-08  
a 2.690146163220706 5.0789e-08 au
q 2.405413346237576 2.4565e-07 au
i 3.485309341454389 8.8099e-06 deg
node 230.2393549620765 0.00016744 deg
peri 173.4700760435472 0.00017862 deg
M 229.6065329595134 7.3158e-05 deg
tp 2459184.234786110687
(2020-Nov-30.73478611)
0.00034007 TDB
period 1611.618494158133
4.41
4.564e-05
1.25e-07
d
yr
n .2233779280300791 6.3259e-09 deg/d
Q 2.974878980203836 5.6164e-08 au
  Orbit Determination Parameters
   # obs. used (total)      68  
   data-arc span      6190 days (16.95 yr)  
   first obs. used      1998-10-29  
   last obs. used      2015-10-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61533  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-10 13:25:53  

Additional Information
 Earth MOID = 1.41377 au 
 Jupiter MOID = 2.38257 au 
 T_jup = 3.362 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456234.5 (2012-Nov-03.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1083902071270238 8.4355e-08  
q 2.395845096864636 2.4877e-07 au
tp 2455961.854256589849
(2012-Feb-04.35425659)
0.00026716 TDB
node 230.2782836398495 0.00016746 deg
peri 172.9114207648522 0.00017804 deg
i 3.485146050280065 8.8195e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      68  
   data-arc span      6190 days (16.95 yr)  
   first obs. used      1998-10-29  
   last obs. used      2015-10-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61533  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-10 13:25:53  

Additional Information
 Jupiter MOID = 2.38257 au 
 T_jup = 3.362 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.115688190952713E-15 -2.069636436612381E-14 -7.08037358225495E-12 -1.860248895321255E-14 -1.699592275686216E-12 -8.361805551150365E-16
q -2.069636436612381E-14 6.18884027181126E-14 2.668166447514512E-11 7.266836512540036E-14 6.333643576488028E-12 3.351942432154366E-15
tp -7.08037358225495E-12 2.668166447514512E-11 7.137241757465896E-8 1.934906505892632E-10 1.628379885831332E-8 -2.883375200635252E-12
node -1.860248895321255E-14 7.266836512540036E-14 1.934906505892632E-10 2.804222245463064E-8 -2.79452087820625E-8 -1.518711608529802E-10
peri -1.699592275686216E-12 6.333643576488028E-12 1.628379885831332E-8 -2.79452087820625E-8 3.169893000595225E-8 1.50764904440062E-10
i -8.361805551150365E-16 3.351942432154366E-15 -2.883375200635252E-12 -1.518711608529802E-10 1.50764904440062E-10 7.778277493876393E-11

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 17.2   n/a MPO258182  

305174 (2007 VF284)          Discovered 2007-Nov-14 by Spacewatch at Kitt Peak
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

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