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85057 (9608 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2085057
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0424193623709935 3.3613e-08  
a 2.963920838543535 1.6359e-08 au
q 2.838193206454418 1.065e-07 au
i 6.119195493423089 4.0352e-06 deg
node 186.6914427683067 3.2837e-05 deg
peri 84.96942084627884 6.1811e-05 deg
M 332.6800980977843 5.0569e-05 deg
tp 2459141.940883981879
(2020-Oct-19.44088398)
0.00026149 TDB
period 1863.795793108126
5.10
1.543e-05
4.225e-08
d
yr
n .1931542078435816 1.5991e-09 deg/d
Q 3.089648470632652 1.7053e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1288  
   data-arc span      21815 days (59.73 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51293  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 00:15:53  

Additional Information
 Earth MOID = 1.83089 au 
 Jupiter MOID = 1.94538 au 
 T_jup = 3.255 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456902.5 (2014-Sep-02.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04078287497652183 3.3641e-08  
q 2.842545576544275 1.0632e-07 au
tp 2457275.544023719265
(2015-Sep-10.04402372)
0.00027685 TDB
node 186.719206376922 3.2835e-05 deg
peri 84.5077585749477 6.3603e-05 deg
i 6.119288459257178 4.0356e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1288  
   data-arc span      21815 days (59.73 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51293  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 00:15:53  

Additional Information
 Jupiter MOID = 1.94538 au 
 T_jup = 3.255 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.131723268006894E-15 -3.542493888851086E-15 -1.487843477916603E-13 5.498768111799914E-15 -1.422739519927278E-14 -1.393747266903629E-15
q -3.542493888851086E-15 1.130447829550381E-14 -9.487593831656171E-13 -1.649738021752516E-14 -2.427757357297732E-13 4.933605119041858E-15
tp -1.487843477916603E-13 -9.487593831656171E-13 7.664448903462429E-8 1.831553919818272E-11 1.509382879127122E-8 7.104702117125691E-12
node 5.498768111799914E-15 -1.649738021752516E-14 1.831553919818272E-11 1.078114867650857E-9 -1.067978482646659E-9 1.696407395944909E-11
peri -1.422739519927278E-14 -2.427757357297732E-13 1.509382879127122E-8 -1.067978482646659E-9 4.045351834881401E-9 -1.547226578578735E-11
i -1.393747266903629E-15 4.933605119041858E-15 7.104702117125691E-12 1.696407395944909E-11 -1.547226578578735E-11 1.628604106276557E-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 14.3   n/a MPO432394  
diameter diameter 6.011 km 0.165 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.112   0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

85057 (9608 P-L)          Discovered 1960-Oct-17 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
 9608 P-L = 1999 GJ48 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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