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11972 (1994 VK)
Classification: Outer Main-belt Asteroid          SPK-ID: 2011972
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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1328379930941506 3.6533e-08  
a 3.204605137388953 1.6582e-08 au
q 2.778911822278999 1.1523e-07 au
i 5.235736906550953 5.209e-06 deg
node 16.24219277409391 4.079e-05 deg
peri 70.86200848562899 4.5271e-05 deg
M 169.4827859417852 1.9194e-05 deg
tp 2458214.031306075577
(2018-Apr-05.53130608)
0.00010942 TDB
period 2095.367549213959
5.74
1.6264e-05
4.453e-08
d
yr
n .1718075667130799 1.3335e-09 deg/d
Q 3.630298452498906 1.8785e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1277  
   data-arc span      10669 days (29.21 yr)  
   first obs. used      1991-04-08  
   last obs. used      2020-06-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50961  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:56:03  

Additional Information
 Earth MOID = 1.80052 au 
 Jupiter MOID = 1.61347 au 
 T_jup = 3.173 
[ 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 13.85   n/a E2021B10  
diameter diameter 8.633 km 0.180 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.072   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

11972 (1994 VK)          Discovered 1994-Nov-01 by Kobayashi, T. at Oizumi
Reference: 19991026/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1994 VK = 1991 GE7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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