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85487 (1997 SC1)
Classification: Main-belt Asteroid          SPK-ID: 2085487
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .213459217941807 3.0481e-08  
a 2.340909428323885 1.1476e-08 au
q 1.841220732481266 7.0251e-08 au
i 1.255944814084206 3.869e-06 deg
node 243.3671043270802 0.00018841 deg
peri 48.74179279965929 0.00018879 deg
M 213.4508271130902 1.4239e-05 deg
tp 2459733.044880419067
(2022-Jun-02.54488042)
5.4353e-05 TDB
period 1308.203609574851
3.58
9.62e-06
2.634e-08
d
yr
n .2751865209399593 2.0236e-09 deg/d
Q 2.840598124166505 1.3926e-08 au
  Orbit Determination Parameters
   # obs. used (total)      589  
   data-arc span      8593 days (23.53 yr)  
   first obs. used      1997-09-04  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56967  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 14:13:16  

Additional Information
 Earth MOID = .823373 au 
 Jupiter MOID = 2.34951 au 
 T_jup = 3.533 
[ show covariance matrix ]

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 16.65   n/a E2021B10  

85487 (1997 SC1)          Discovered 1997-Sep-19 by BAO Schmidt CCD Asteroid Program at Xinglong
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 1997 SC1 = 2000 GL42 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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