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85019 (2039 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2085019
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .302443475484108 4.8199e-08  
a 2.61218131689892 1.0121e-08 au
q 1.822144120821356 1.2825e-07 au
i 4.833517163505708 5.5779e-06 deg
node 213.1797234980668 4.9027e-05 deg
peri 189.6111428224523 5.0192e-05 deg
M 25.60205691119474 7.4991e-06 deg
tp 2458890.833050538085
(2020-Feb-11.33305054)
3.198e-05 TDB
period 1542.067574618444
4.22
8.9621e-06
2.454e-08
d
yr
n .2334528044849626 1.3568e-09 deg/d
Q 3.402218512976483 1.3182e-08 au
  Orbit Determination Parameters
   # obs. used (total)      562  
   data-arc span      21604 days (59.15 yr)  
   first obs. used      1960-09-24  
   last obs. used      2019-11-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53666  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 08:01:21  

Additional Information
 Earth MOID = .831072 au 
 Jupiter MOID = 2.01472 au 
 T_jup = 3.338 
[ show covariance matrix ]

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 MPO502663  

85019 (2039 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

Alternate Designations
 2039 P-L = 1998 RZ59 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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