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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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457367.5 (2015-Dec-11.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3014557717078532 4.7732e-08  
q 1.825272635953465 1.2669e-07 au
tp 2457342.278754265355
(2015-Nov-15.77875427)
3.1423e-05 TDB
node 213.2581870481376 4.9064e-05 deg
peri 188.6949069775939 5.0249e-05 deg
i 4.824808551109651 5.591e-06 deg
  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
 Jupiter MOID = 2.01472 au 
 T_jup = 3.338 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.2783728124391E-15 -6.038756320371794E-15 -1.881695018399429E-13 2.989629524767901E-14 9.715765576301198E-16 -7.968399193735215E-15
q -6.038756320371794E-15 1.605061236793879E-14 5.076476272094833E-13 -7.716550986033345E-14 -5.623239548859391E-16 2.119743112863714E-14
tp -1.881695018399429E-13 5.076476272094833E-13 9.874157882601734E-10 -1.548953091114278E-12 3.507481677714685E-10 3.710548074352643E-12
node 2.989629524767901E-14 -7.716550986033345E-14 -1.548953091114278E-12 2.40726063026517E-9 -2.396732260114085E-9 -8.437143731750742E-11
peri 9.715765576301198E-16 -5.623239548859391E-16 3.507481677714685E-10 -2.396732260114085E-9 2.525000910723226E-9 8.502024707367525E-11
i -7.968399193735215E-15 2.119743112863714E-14 3.710548074352643E-12 -8.437143731750742E-11 8.502024707367525E-11 3.125970437071068E-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 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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