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JPL Small-Body Database Browser
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85039 (4541 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2085039
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2245220910703325 4.1962e-08  
a 2.793586972920275 1.5284e-08 au
q 2.166364984173375 1.1741e-07 au
i 8.312877960835875 7.5263e-06 deg
node 9.524754579114132 2.9028e-05 deg
peri 66.55468431195388 3.4326e-05 deg
M 161.122688985211 1.6699e-05 deg
tp 2457837.198839670985
(2017-Mar-24.69883967)
7.7543e-05 TDB
period 1705.460723434597
4.67
1.3996e-05
3.832e-08
d
yr
n .211086655384829 1.7323e-09 deg/d
Q 3.420808961667176 1.8715e-08 au
  Orbit Determination Parameters
   # obs. used (total)      574  
   data-arc span      21028 days (57.57 yr)  
   first obs. used      1960-09-24  
   last obs. used      2018-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52665  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-May-07 04:55:27  

Additional Information
 Earth MOID = 1.19674 au 
 Jupiter MOID = 1.95777 au 
 T_jup = 3.276 
[ show covariance matrix ]

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 15.2   n/a MPO439612  

85039 (4541 P-L)          Discovered 1960-Sep-24 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

[ show close-approach data ]
Alternate Designations
 4541 P-L = 1999 CO90 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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