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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2200922699908951 3.3139e-08  
a 2.741588398878826 1.3103e-08 au
q 2.138185984788882 9.0678e-08 au
i 3.300232306534343 4.5863e-06 deg
node 336.0343889658888 6.4426e-05 deg
peri 294.9300836576963 6.5333e-05 deg
M 167.8454333931111 1.0895e-05 deg
tp 2458427.447771522379
(2018-Nov-04.94777152)
4.7709e-05 TDB
period 1658.065975498656
4.54
1.1887e-05
3.254e-08
d
yr
n .2171204314663845 1.5565e-09 deg/d
Q 3.344990812968771 1.5987e-08 au
  Orbit Determination Parameters
   # obs. used (total)      913  
   data-arc span      22030 days (60.31 yr)  
   first obs. used      1960-09-24  
   last obs. used      2021-01-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54171  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 07:39:19  

Additional Information
 Earth MOID = 1.1228 au 
 Jupiter MOID = 1.78818 au 
 T_jup = 3.312 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456917.5 (2014-Sep-17.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2204147868400751 3.3032e-08  
q 2.137050444396783 9.04e-08 au
tp 2456771.800493353797
(2014-Apr-24.30049335)
4.4535e-05 TDB
node 336.1124727145027 6.4374e-05 deg
peri 295.1177759896651 6.5283e-05 deg
i 3.302069317319638 4.5881e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      913  
   data-arc span      22030 days (60.31 yr)  
   first obs. used      1960-09-24  
   last obs. used      2021-01-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54171  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 07:39:19  

Additional Information
 Jupiter MOID = 1.78818 au 
 T_jup = 3.312 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.091096134856469E-15 -2.966971020607721E-15 2.468294248902895E-13 -9.070854205671722E-15 4.567292530715365E-14 -7.924883499317308E-16
q -2.966971020607721E-15 8.172225294401359E-15 -6.116757244978987E-13 2.455709688094712E-14 -1.079268161254437E-13 2.483386099236166E-15
tp 2.468294248902895E-13 -6.116757244978987E-13 1.983323429378455E-9 -1.131341841895418E-11 4.949032369560137E-10 -1.127143075166613E-12
node -9.070854205671722E-15 2.455709688094712E-14 -1.131341841895418E-11 4.144012060976309E-9 -4.139320243836323E-9 1.275442398230754E-11
peri 4.567292530715365E-14 -1.079268161254437E-13 4.949032369560137E-10 -4.139320243836323E-9 4.261846114645225E-9 -1.294873300413089E-11
i -7.924883499317308E-16 2.483386099236166E-15 -1.127143075166613E-12 1.275442398230754E-11 -1.294873300413089E-11 2.1050704770252E-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 15.13   n/a E2021B10  
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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