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306383 (1993 VD)
Classification: Aten [NEO, PHA]          SPK-ID: 2306383
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5514887229313324 1.0916e-07  
a .8758150481356881 2.3788e-09 au
q .392812925715294 9.6562e-08 au
i 2.067642849802583 2.8509e-06 deg
node 2.200604242910406 0.00013603 deg
peri 254.211270867608 0.00013344 deg
M 242.1938414756349 1.3658e-05 deg
tp 2459098.467612664278
(2020-Sep-05.96761266)
1.1689e-05 TDB
period 299.3760343339404
0.82
1.2197e-06
3.339e-09
d
yr
n 1.202501064592353 4.8992e-09 deg/d
Q 1.358817170556082 3.6907e-09 au
  Orbit Determination Parameters
   # obs. used (total)      155  
   # delay obs. used      0  
   # Doppler obs. used      1  
   data-arc span      8841 days (24.21 yr)  
   first obs. used      1993-11-09  
   last obs. used      2018-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4252  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-21 06:15:24  

Additional Information
 Earth MOID = .0172528 au 
 Jupiter MOID = 3.70587 au 
 T_jup = 6.625 
[ 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 21.5   n/a MPO397071  
rotation period rot_per 0.94345 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Pravec, P.; Wolf, M.; Sarounova, L. (2018) http://www.asu.cas.cz/~ppravec/neo.htm]

306383 (1993 VD)          Discovered 1993-Nov-09 by Spacewatch at Kitt Peak
Reference: 20111210/Numbers.arcLast Updated: 2011-12-12

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