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85562 (1998 BC3)
Classification: Main-belt Asteroid          SPK-ID: 2085562
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2425246083255797 3.8582e-08  
a 2.383623621199314 7.0078e-09 au
q 1.805536236072351 9.377e-08 au
i 3.269222844681276 3.3842e-06 deg
node 140.5857248077988 7.2928e-05 deg
peri 266.3813549276019 7.3478e-05 deg
M 47.10351729214072 6.9396e-06 deg
tp 2458824.624321984060
(2019-Dec-07.12432198)
2.5947e-05 TDB
period 1344.172319299451
3.68
5.9278e-06
1.623e-08
d
yr
n .2678228042871937 1.1811e-09 deg/d
Q 2.961711006326278 8.7074e-09 au
  Orbit Determination Parameters
   # obs. used (total)      932  
   data-arc span      21654 days (59.29 yr)  
   first obs. used      1960-10-17  
   last obs. used      2020-01-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49747  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 20:34:26  

Additional Information
 Earth MOID = .818835 au 
 Jupiter MOID = 2.43969 au 
 T_jup = 3.494 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457271.5 (2015-Sep-06.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2419886072177278 3.8598e-08  
q 1.807136461128339 9.3752e-08 au
tp 2457477.469250462036
(2016-Mar-29.96925046)
2.7132e-05 TDB
node 140.7290855155272 7.2891e-05 deg
peri 265.7007378053835 7.3448e-05 deg
i 3.26966328839877 3.3878e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      932  
   data-arc span      21654 days (59.29 yr)  
   first obs. used      1960-10-17  
   last obs. used      2020-01-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49747  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 20:34:26  

Additional Information
 Jupiter MOID = 2.43969 au 
 T_jup = 3.494 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.489815026439317E-15 -3.613540962777575E-15 -2.556787374409677E-13 1.337708125796468E-14 -8.378912603897853E-14 -4.156776901953398E-15
q -3.613540962777575E-15 8.789359073430915E-15 5.752517304321161E-13 -3.100133883616727E-14 1.870415074844965E-13 1.0193732979828E-14
tp -2.556787374409677E-13 5.752517304321161E-13 7.361387016748567E-10 -9.913455111684474E-12 2.61055922446705E-10 1.243595419460844E-12
node 1.337708125796468E-14 -3.100133883616727E-14 -9.913455111684474E-12 5.313123716397885E-9 -5.307539832591396E-9 7.166100855877448E-11
peri -8.378912603897853E-14 1.870415074844965E-13 2.61055922446705E-10 -5.307539832591396E-9 5.394627374357043E-9 -7.12121081782527E-11
i -4.156776901953398E-15 1.0193732979828E-14 1.243595419460844E-12 7.166100855877448E-11 -7.12121081782527E-11 1.1477356781859E-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 16.0   n/a MPO502666  

85562 (1998 BC3)          Discovered 1998-Jan-18 by Spacewatch at Kitt Peak
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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