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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1455601782812056 3.4431e-08  
a 2.395370170516624 8.116e-09 au
q 2.046699661446743 8.1455e-08 au
i 7.229658239416769 4.1969e-06 deg
node 292.129599232643 2.8169e-05 deg
peri 130.1643151432702 3.1542e-05 deg
M 69.43855831645766 1.3927e-05 deg
tp 2458339.310582380770
(2018-Aug-08.81058238)
5.2146e-05 TDB
period 1354.120716539085
3.71
6.8821e-06
1.884e-08
d
yr
n .2658551749507991 1.3512e-09 deg/d
Q 2.744040679586506 9.2974e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2011  
   data-arc span      15686 days (42.95 yr)  
   first obs. used      1976-05-27  
   last obs. used      2019-05-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42688  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 00:47:58  

Additional Information
 Earth MOID = 1.06844 au 
 Jupiter MOID = 2.55491 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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