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20869 (2000 VK45)
Classification: Main-belt Asteroid          SPK-ID: 2020869
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2401203585194213 3.7951e-08  
a 2.340503840957269 1.1513e-08 au
q 1.778501219550527 9.1154e-08 au
i 12.43450001772109 4.4533e-06 deg
node 270.5470629062658 1.825e-05 deg
peri 32.54664704246775 2.1073e-05 deg
M 250.7986826956605 1.4379e-05 deg
tp 2459397.223421381693
(2021-Jul-01.72342138)
5.4025e-05 TDB
period 1307.863634093121
3.58
9.6502e-06
2.642e-08
d
yr
n .2752580549038858 2.031e-09 deg/d
Q 2.902506462364011 1.4278e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1503  
   data-arc span      15243 days (41.73 yr)  
   first obs. used      1978-08-31  
   last obs. used      2020-05-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50789  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:00:13  

Additional Information
 Earth MOID = .775237 au 
 Jupiter MOID = 2.34999 au 
 T_jup = 3.495 
[ 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 14.1   n/a MPO358829  
diameter diameter 8.262 km 0.101 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.069   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

20869 (2000 VK45)          Discovered 2000-Nov-01 by LINEAR at Socorro
Reference: 20010109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2000 VK45 = 1978 QD = 1982 VX1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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