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66863 (1999 VM43)
Classification: Main-belt Asteroid          SPK-ID: 2066863
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03870885449442588 4.132e-08  
a 2.71135298401533 1.2865e-08 au
q 2.606399615874053 1.1479e-07 au
i 5.29354929112548 5.3256e-06 deg
node 217.7381722242747 3.5935e-05 deg
peri 132.5098798587978 7.1088e-05 deg
M 340.3021723755957 6.1767e-05 deg
tp 2459485.726395722193
(2021-Sep-28.22639572)
0.0002799 TDB
period 1630.712943197499
4.46
1.1606e-05
3.178e-08
d
yr
n .2207623368059571 1.5712e-09 deg/d
Q 2.816306352156607 1.3363e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1054  
   data-arc span      11249 days (30.80 yr)  
   first obs. used      1990-10-21  
   last obs. used      2021-08-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54678  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 01:34:35  

Additional Information
 Earth MOID = 1.60338 au 
 Jupiter MOID = 2.33586 au 
 T_jup = 3.356 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457528.5 (2016-May-20.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03829550085611769 4.2236e-08  
q 2.605113273845527 1.1709e-07 au
tp 2457870.769824837631
(2017-Apr-27.26982484)
0.00027465 TDB
node 217.8646338995049 3.5921e-05 deg
peri 135.5880105623626 7.0389e-05 deg
i 5.29565563575219 5.3278e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1054  
   data-arc span      11249 days (30.80 yr)  
   first obs. used      1990-10-21  
   last obs. used      2021-08-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54678  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 01:34:35  

Additional Information
 Jupiter MOID = 2.33586 au 
 T_jup = 3.356 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.783881075522208E-15 -4.919820787899648E-15 5.34739657076649E-12 -2.790600605006441E-15 1.198752522013845E-12 3.062156320735476E-16
q -4.919820787899648E-15 1.37103698272089E-14 -1.411373072780353E-11 7.538059294890219E-15 -3.174878629635964E-12 -4.380731768609166E-16
tp 5.34739657076649E-12 -1.411373072780353E-11 7.542992080112664E-8 -2.669049764528347E-11 1.663204755635007E-8 -7.341847670425721E-13
node -2.790600605006441E-15 7.538059294890219E-15 -2.669049764528347E-11 1.290342604991259E-9 -1.290201410329747E-9 -5.461605253319116E-13
peri 1.198752522013845E-12 -3.174878629635964E-12 1.663204755635007E-8 -1.290201410329747E-9 4.954671854513364E-9 4.18016500086237E-13
i 3.062156320735476E-16 -4.380731768609166E-16 -7.341847670425721E-13 -5.461605253319116E-13 4.18016500086237E-13 2.838550700727036E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.95   n/a MPO636974  

66863 (1999 VM43)          Discovered 1999-Nov-01 by CSS at Catalina
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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