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34920 (4735 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2034920
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02425958957393973 9.1195e-08  
a 2.125391539922773 9.9024e-09 au
q 2.073830413480323 2.0071e-07 au
i 2.640996754995627 6.9385e-06 deg
node 51.34794987897195 6.8054e-05 deg
peri 345.1042190334172 0.00010919 deg
M 62.20218095028603 8.2057e-05 deg
tp 2458804.949036668213
(2019-Nov-17.44903667)
0.00025868 TDB
period 1131.766534934007
3.10
7.9095e-06
2.166e-08
d
yr
n .3180868040253474 2.223e-09 deg/d
Q 2.176952666365223 1.0143e-08 au
  Orbit Determination Parameters
   # obs. used (total)      871  
   data-arc span      21673 days (59.34 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50439  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 03:38:32  

Additional Information
 Earth MOID = 1.07929 au 
 Jupiter MOID = 2.87577 au 
 T_jup = 3.725 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457362.5 (2015-Dec-06.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02445990686177563 9.0888e-08  
q 2.073239928211482 2.0004e-07 au
tp 2457669.515659913362
(2016-Oct-08.01565991)
0.00026631 TDB
node 51.3559984880845 6.8027e-05 deg
peri 343.9374656950242 0.00011006 deg
i 2.641999957775121 6.9392e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      871  
   data-arc span      21673 days (59.34 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50439  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 03:38:32  

Additional Information
 Jupiter MOID = 2.87577 au 
 T_jup = 3.725 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.260708895216603E-15 -1.817084495943988E-14 1.249573192929625E-11 -2.60298336724482E-14 4.078619326960701E-12 -8.809744976915099E-15
q -1.817084495943988E-14 4.001744526830847E-14 -2.799152625335937E-11 5.672421922035367E-14 -9.138214344404198E-12 1.942483025423834E-14
tp 1.249573192929625E-11 -2.799152625335937E-11 7.092145264284471E-8 -5.223949216236761E-12 2.304679053732233E-8 -1.914864107576764E-11
node -2.60298336724482E-14 5.672421922035367E-14 -5.223949216236761E-12 4.627692492755004E-9 -4.623761496460503E-9 -1.17388254848833E-10
peri 4.078619326960701E-12 -9.138214344404198E-12 2.304679053732233E-8 -4.623761496460503E-9 1.211417224949705E-8 1.11055801453457E-10
i -8.809744976915099E-15 1.942483025423834E-14 -1.914864107576764E-11 -1.17388254848833E-10 1.11055801453457E-10 4.815293838842506E-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 16.2   n/a MPO502412  

34920 (4735 P-L)          Discovered 1960-Sep-24 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20020128/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 4735 P-L = 1991 TX13 = 1993 FL51 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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