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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 ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1447815903195251 2.2623e-08  
a 2.396617818747354 7.4761e-09 au
q 2.049631679561001 5.3646e-08 au
i 7.229167333571225 2.842e-07 deg
node 292.13140293127 2.7885e-06 deg
peri 130.0375507531149 5.5204e-06 deg
M 229.080546572862 4.7219e-06 deg
tp 2459693.331303654345
(2022-Apr-23.83130365)
1.9469e-05 TDB
period 1355.178811637073
3.71
6.3411e-06
1.736e-08
d
yr
n .2656476008248059 1.243e-09 deg/d
Q 2.743603957933708 8.5585e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2332  
   data-arc span      16174 days (44.28 yr)  
   first obs. used      1976-05-27  
   last obs. used      2020-09-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .41633  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 17:00:00  

Additional Information
 Earth MOID = 1.07106 au 
 Jupiter MOID = 2.55509 au 
 T_jup = 3.503 
[ 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 13.45   n/a E2021B10  
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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