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20064 (1993 RV4)
Classification: Main-belt Asteroid          SPK-ID: 2020064
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05436577763969099 2.4129e-08  
a 2.200943014394167 5.9726e-09 au
q 2.081287035875983 5.3308e-08 au
i .9298614886620918 2.8133e-06 deg
node 261.4107483297351 0.00022953 deg
peri 187.8936062395414 0.0002325 deg
M 42.3267358851692 3.6945e-05 deg
tp 2459060.275499515116
(2020-Jul-29.77549952)
0.00012234 TDB
period 1192.646187306078
3.27
4.8546e-06
1.329e-08
d
yr
n .3018497890083897 1.2287e-09 deg/d
Q 2.320598992912352 6.2973e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1588  
   data-arc span      10049 days (27.51 yr)  
   first obs. used      1993-09-15  
   last obs. used      2021-03-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50097  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 03:01:15  

Additional Information
 Earth MOID = 1.09744 au 
 Jupiter MOID = 2.75704 au 
 T_jup = 3.663 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457479.5 (2016-Apr-01.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05383880251337816 2.4108e-08  
q 2.08241311512373 5.3237e-08 au
tp 2457865.428568865137
(2017-Apr-21.92856887)
0.00012341 TDB
node 261.4748427450058 0.00022993 deg
peri 187.167678454115 0.00023296 deg
i .9286241140930217 2.8123e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1588  
   data-arc span      10049 days (27.51 yr)  
   first obs. used      1993-09-15  
   last obs. used      2021-03-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50097  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 03:01:15  

Additional Information
 Jupiter MOID = 2.75704 au 
 T_jup = 3.663 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.811849208397439E-16 -1.276180298300878E-15 -2.962380883431192E-13 3.044331838828781E-15 -9.247418273377874E-14 -2.914184699138638E-17
q -1.276180298300878E-15 2.834157360775491E-15 6.998361512612192E-13 -6.278012086042095E-15 2.142779824126271E-13 7.981108096305008E-17
tp -2.962380883431192E-13 6.998361512612192E-13 1.523050336602657E-8 -2.753001325658905E-12 4.637226636822696E-9 4.176879208678245E-13
node 3.044331838828781E-15 -6.278012086042095E-15 -2.753001325658905E-12 5.28689824736951E-8 -5.286284599775228E-8 -1.048436940342203E-10
peri -9.247418273377874E-14 2.142779824126271E-13 4.637226636822696E-9 -5.286284599775228E-8 5.427254787468232E-8 1.04957451134267E-10
i -2.914184699138638E-17 7.981108096305008E-17 4.176879208678245E-13 -1.048436940342203E-10 1.04957451134267E-10 7.908942759443316E-12

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.60   n/a MPCxxxxx  

20064 (1993 RV4)          Discovered 1993-Sep-15 by Elst, E. W. at La Silla
Reference: 20010109/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1993 RV4 = 1996 NR4 = 2000 RA39 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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