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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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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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2134950205305096 3.2191e-08  
a 2.340850823739791 1.2002e-08 au
q 1.841090829066604 7.3444e-08 au
i 1.256120346624601 4.3911e-06 deg
node 243.3764506648391 0.00019378 deg
peri 48.70118460330531 0.00019419 deg
M 158.4601080695258 1.4083e-05 deg
tp 2458424.693608753805
(2018-Nov-02.19360875)
4.883e-05 TDB
period 1308.15448363622
3.58
1.0061e-05
2.755e-08
d
yr
n .2751968551904694 2.1165e-09 deg/d
Q 2.840610818412977 1.4565e-08 au
  Orbit Determination Parameters
   # obs. used (total)      540  
   data-arc span      8181 days (22.40 yr)  
   first obs. used      1997-09-04  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5809  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 20:33:10  

Additional Information
 Earth MOID = .825199 au 
 Jupiter MOID = 2.35004 au 
 T_jup = 3.533 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457153.5 (2015-May-11.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2138087659484381 3.2123e-08  
q 1.84004137017134 7.3278e-08 au
tp 2457117.607559646301
(2015-Apr-05.10755965)
4.4724e-05 TDB
node 243.4174969893537 0.00019405 deg
peri 48.80396980132015 0.00019446 deg
i 1.255042057771507 4.3905e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      540  
   data-arc span      8181 days (22.40 yr)  
   first obs. used      1997-09-04  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5809  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 20:33:10  

Additional Information
 Jupiter MOID = 2.35004 au 
 T_jup = 3.533 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.031911300146145E-15 -2.335776458092348E-15 1.973591644284019E-13 -5.209938201023674E-16 2.044969085305316E-14 -1.118357660522036E-16
q -2.335776458092348E-15 5.369704634041508E-15 -3.309554658445979E-13 -5.673691021556644E-16 -1.467591238985934E-14 2.595370295031835E-16
tp 1.973591644284019E-13 -3.309554658445979E-13 2.00024239728141E-9 -7.664270794673391E-12 5.78611399736404E-10 -7.097940434870842E-13
node -5.209938201023674E-16 -5.673691021556644E-16 -7.664270794673391E-12 3.765370682649349E-8 -3.764680115118627E-8 -3.052470072231821E-10
peri 2.044969085305316E-14 -1.467591238985934E-14 5.78611399736404E-10 -3.764680115118627E-8 3.781303884149938E-8 3.04984845476736E-10
i -1.118357660522036E-16 2.595370295031835E-16 -7.097940434870842E-13 -3.052470072231821E-10 3.04984845476736E-10 1.92761008846037E-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 16.6   n/a MPO432398  

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

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