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43020 (1999 VO4)
Classification: Main-belt Asteroid          SPK-ID: 2043020
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1283044236089577 4.8662e-08  
a 2.641034897584654 1.4102e-08 au
q 2.302178437318913 1.3242e-07 au
i 14.97159606562789 5.1865e-06 deg
node 41.94945584097334 1.6627e-05 deg
peri 344.0625709372833 2.3689e-05 deg
M 17.16546085105896 1.7992e-05 deg
tp 2459321.749757908643
(2021-Apr-17.24975791)
7.8102e-05 TDB
period 1567.688009450005
4.29
1.2556e-05
3.438e-08
d
yr
n .2296375285324148 1.8393e-09 deg/d
Q 2.979891357850396 1.5912e-08 au
  Orbit Determination Parameters
   # obs. used (total)      922  
   data-arc span      10129 days (27.73 yr)  
   first obs. used      1993-04-21  
   last obs. used      2021-01-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53183  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:15:01  

Additional Information
 Earth MOID = 1.3103 au 
 Jupiter MOID = 2.46643 au 
 T_jup = 3.335 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457222.5 (2015-Jul-19.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1306841933203816 4.8733e-08  
q 2.295337126518354 1.3297e-07 au
tp 2457754.173435116611
(2016-Dec-31.67343512)
7.2102e-05 TDB
node 42.05065941503601 1.6598e-05 deg
peri 344.1417772207237 2.3407e-05 deg
i 14.99065779650056 5.1912e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      922  
   data-arc span      10129 days (27.73 yr)  
   first obs. used      1993-04-21  
   last obs. used      2021-01-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53183  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:15:01  

Additional Information
 Jupiter MOID = 2.46643 au 
 T_jup = 3.335 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.374901711287015E-15 -6.454720624111282E-15 -5.660321361332883E-13 -9.225453344072439E-15 -7.391642512170631E-14 -3.795650715480465E-15
q -6.454720624111282E-15 1.768216663911239E-14 1.72802016639089E-12 2.494810473014216E-14 2.329153961386066E-13 1.102666271036625E-14
tp -5.660321361332883E-13 1.72802016639089E-12 5.198628103942517E-9 -3.041311201492561E-12 1.20118557369603E-9 5.516351305502331E-12
node -9.225453344072439E-15 2.494810473014216E-14 -3.041311201492561E-12 2.755092587489359E-10 -2.667991874624166E-10 -1.082444805916227E-11
peri -7.391642512170631E-14 2.329153961386066E-13 1.20118557369603E-9 -2.667991874624166E-10 5.478647588137059E-10 1.177610781935615E-11
i -3.795650715480465E-15 1.102666271036625E-14 5.516351305502331E-12 -1.082444805916227E-11 1.177610781935615E-11 2.694851078294904E-11

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 14.88   n/a E2021B10  

43020 (1999 VO4)          Discovered 1999-Nov-01 by CSS at Catalina
Reference: 20020624/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 VO4 = 2001 CH34 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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