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4970 Druyan (1988 VO2)
Classification: Main-belt Asteroid          SPK-ID: 2004970
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1453031555142963 3.4278e-08  
a 2.395499147340394 7.9402e-09 au
q 2.047425562200029 8.1059e-08 au
i 7.229725903500611 4.0578e-06 deg
node 292.1298491687106 2.8051e-05 deg
peri 130.1036216342406 3.1256e-05 deg
M 175.8712702344696 1.3798e-05 deg
tp 2458338.916207494705
(2018-Aug-08.41620749)
5.1147e-05 TDB
period 1354.230085359482
3.71
6.7331e-06
1.843e-08
d
yr
n .2658337042515472 1.3217e-09 deg/d
Q 2.74357273248076 9.0939e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2060  
   data-arc span      15954 days (43.68 yr)  
   first obs. used      1976-05-27  
   last obs. used      2020-01-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42458  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 17:26:35  

Additional Information
 Earth MOID = 1.06945 au 
 Jupiter MOID = 2.55498 au 
 T_jup = 3.504 
[ 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 13.4   n/a MPO365307  
diameter diameter 8.068 km 0.060 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.165   0.017 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

4970 Druyan (1988 VO2)          Discovered 1988-Nov-12 by Helin, E. F. at Palomar
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1988 VO2 = 1951 YB 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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