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21291 (1996 VG6)
Classification: Main-belt Asteroid          SPK-ID: 2021291
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04601317075862028 3.9204e-08  
a 2.342519393478248 9.1266e-09 au
q 2.234732648620753 8.9775e-08 au
i 7.30409244570587 3.9461e-06 deg
node 65.6291900498974 3.2673e-05 deg
peri 91.2824979736265 5.553e-05 deg
M 228.7973517106509 4.6493e-05 deg
tp 2459873.769102560102
(2022-Oct-21.26910256)
0.00017005 TDB
period 1309.553421076674
3.59
7.6532e-06
2.095e-08
d
yr
n .2749028746792317 1.6066e-09 deg/d
Q 2.450306138335741 9.5466e-09 au
  Orbit Determination Parameters
   # obs. used (total)      934  
   data-arc span      15593 days (42.69 yr)  
   first obs. used      1978-11-29  
   last obs. used      2021-08-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56672  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-24 22:41:37  

Additional Information
 Earth MOID = 1.25805 au 
 Jupiter MOID = 2.5369 au 
 T_jup = 3.551 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.64   n/a E2021B10  

21291 (1996 VG6)          Discovered 1996-Nov-12 by Boattini, A., Pedichini, F. at Campo Imperatore
Reference: 20010208/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1996 VG6 = 1978 WF4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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