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85021 (2067 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2085021
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2202920387511719 3.3139e-08  
a 2.740990525379284 1.3119e-08 au
q 2.137172134345836 9.0666e-08 au
i 3.300227659910282 4.6708e-06 deg
node 336.0393905634418 6.4551e-05 deg
peri 294.8847181057421 6.55e-05 deg
M 124.4610116798593 1.0845e-05 deg
tp 2458427.452589413297
(2018-Nov-04.95258941)
4.8207e-05 TDB
period 1657.523629502981
4.54
1.19e-05
3.258e-08
d
yr
n .2171914738301187 1.5593e-09 deg/d
Q 3.344808916412732 1.6009e-08 au
  Orbit Determination Parameters
   # obs. used (total)      894  
   data-arc span      21681 days (59.36 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54474  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 20:25:13  

Additional Information
 Earth MOID = 1.12359 au 
 Jupiter MOID = 1.78909 au 
 T_jup = 3.312 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456873.5 (2014-Aug-04.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2204111285481007 3.3039e-08  
q 2.137078655445645 9.0435e-08 au
tp 2456771.815853154780
(2014-Apr-24.31585315)
4.5282e-05 TDB
node 336.112650328886 6.449e-05 deg
peri 295.123295374524 6.5442e-05 deg
i 3.302046490834869 4.6726e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      894  
   data-arc span      21681 days (59.36 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54474  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 20:25:13  

Additional Information
 Jupiter MOID = 1.78909 au 
 T_jup = 3.312 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.091569714248462E-15 -2.968671733214777E-15 2.51817834866173E-13 -9.402048818970175E-15 4.745452877818492E-14 -8.686840970595331E-16
q -2.968671733214777E-15 8.178564790970309E-15 -6.317636987518218E-13 2.552932536361796E-14 -1.147056722363479E-13 2.704268345034914E-15
tp 2.51817834866173E-13 -6.317636987518218E-13 2.050449890886319E-9 -1.179170326943367E-11 5.148273713373297E-10 -1.219718888463177E-12
node -9.402048818970175E-15 2.552932536361796E-14 -1.179170326943367E-11 4.158963249579988E-9 -4.154360503396147E-9 1.613004319648644E-11
peri 4.745452877818492E-14 -1.147056722363479E-13 5.148273713373297E-10 -4.154360503396147E-9 4.282609684900869E-9 -1.633982846140815E-11
i -8.686840970595331E-16 2.704268345034914E-15 -1.219718888463177E-12 1.613004319648644E-11 -1.633982846140815E-11 2.183320123366538E-11

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 15.1   n/a MPO449528  
diameter diameter 5.594 km 0.029 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.052   0.003 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

85021 (2067 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

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Alternate Designations
 2067 P-L = 2000 JV31 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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