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344327 (2001 VR38)
Classification: Main-belt Asteroid          SPK-ID: 2344327
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .104626412546597 6.1615e-08  
a 2.374911798558347 1.7035e-08 au
q 2.126433296960601 1.5428e-07 au
i 7.35389049908575 6.269e-06 deg
node 53.20337847728767 4.0062e-05 deg
peri 359.2883521395522 4.9662e-05 deg
M 82.133421464089 2.9116e-05 deg
tp 2458895.508968693217
(2020-Feb-16.00896869)
0.00010695 TDB
period 1336.809904095472
3.66
1.4383e-05
3.938e-08
d
yr
n .2692978252907151 2.8975e-09 deg/d
Q 2.623390300156094 1.8818e-08 au
  Orbit Determination Parameters
   # obs. used (total)      247  
   data-arc span      6991 days (19.14 yr)  
   first obs. used      2001-10-24  
   last obs. used      2020-12-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55296  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 16:02:12  

Additional Information
 Earth MOID = 1.13657 au 
 Jupiter MOID = 2.69569 au 
 T_jup = 3.524 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457733.5 (2016-Dec-11.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1040648333014909 6.1697e-08  
q 2.127395374987754 1.5436e-07 au
tp 2457555.516020325418
(2016-Jun-16.01602033)
0.00010338 TDB
node 53.22281845224591 4.0061e-05 deg
peri 358.4754172869526 4.9757e-05 deg
i 7.355034888236372 6.2703e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      247  
   data-arc span      6991 days (19.14 yr)  
   first obs. used      2001-10-24  
   last obs. used      2020-12-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55296  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 16:02:12  

Additional Information
 Jupiter MOID = 2.69569 au 
 T_jup = 3.524 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.806462433552134E-15 -9.487783188628028E-15 -1.206535647802753E-12 -2.660078604412118E-14 -2.684447472940561E-13 -1.153132515099014E-14
q -9.487783188628028E-15 2.38269911652399E-14 3.218704142817538E-12 6.920282921145381E-14 7.33633728589426E-13 2.910460329573104E-14
tp -1.206535647802753E-12 3.218704142817538E-12 1.068713128507577E-8 7.512273829756867E-11 3.070449295242853E-9 3.263760096141424E-12
node -2.660078604412118E-14 6.920282921145381E-14 7.512273829756867E-11 1.604886467950135E-9 -1.568928159747797E-9 -6.079013173773722E-11
peri -2.684447472940561E-13 7.33633728589426E-13 3.070449295242853E-9 -1.568928159747797E-9 2.475797589688806E-9 6.099930369408544E-11
i -1.153132515099014E-14 2.910460329573104E-14 3.263760096141424E-12 -6.079013173773722E-11 6.099930369408544E-11 3.931650795746469E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.9   n/a MPO450303  

344327 (2001 VR38)          Discovered 2001-Nov-09 by LINEAR at Socorro
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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