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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2135036986047342 3.2365e-08  
a 2.340263288263635 1.2116e-08 au
q 1.840608420510471 7.4016e-08 au
i 1.256218400176473 4.431e-06 deg
node 243.376819823708 0.00020508 deg
peri 48.62370873967603 0.00020549 deg
M 48.45326291692228 1.3755e-05 deg
tp 2458424.498635682117
(2018-Nov-01.99863568)
4.9311e-05 TDB
period 1307.662009534332
3.58
1.0155e-05
2.78e-08
d
yr
n .2753004961337056 2.1379e-09 deg/d
Q 2.839918156016799 1.4702e-08 au
  Orbit Determination Parameters
   # obs. used (total)      521  
   data-arc span      8118 days (22.23 yr)  
   first obs. used      1997-09-04  
   last obs. used      2019-11-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58779  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 08:16:35  

Additional Information
 Earth MOID = .824033 au 
 Jupiter MOID = 2.34882 au 
 T_jup = 3.533 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457051.5 (2015-Jan-29.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .213757931622184 3.2311e-08  
q 1.840035521591768 7.3904e-08 au
tp 2457117.631441319219
(2015-Apr-05.13144132)
4.5513e-05 TDB
node 243.4203454958072 0.00020536 deg
peri 48.81145587795775 0.00020577 deg
i 1.25510239162505 4.4296e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      521  
   data-arc span      8118 days (22.23 yr)  
   first obs. used      1997-09-04  
   last obs. used      2019-11-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58779  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 08:16:35  

Additional Information
 Jupiter MOID = 2.34882 au 
 T_jup = 3.533 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.043989417880841E-15 -2.369152542682559E-15 2.263950785793568E-13 -3.204147611949444E-16 3.101886605486758E-14 -1.238700426626985E-16
q -2.369152542682559E-15 5.461778982103619E-15 -4.115523585003519E-13 -1.14385021094318E-15 -4.391552266049995E-14 2.951910328502679E-16
tp 2.263950785793568E-13 -4.115523585003519E-13 2.071439843433556E-9 -9.986946840073725E-12 6.072805454595984E-10 -7.101094113834548E-13
node -3.204147611949444E-16 -1.14385021094318E-15 -9.986946840073725E-12 4.217271716887063E-8 -4.216545925418853E-8 -3.433199465381017E-10
peri 3.101886605486758E-14 -4.391552266049995E-14 6.072805454595984E-10 -4.216545925418853E-8 4.234109381635725E-8 3.430473064801315E-10
i -1.238700426626985E-16 2.951910328502679E-16 -7.101094113834548E-13 -3.433199465381017E-10 3.430473064801315E-10 1.962102598809433E-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

[ 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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