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JPL Small-Body Database Browser
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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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2135037001694473 3.2238e-08  
a 2.340263287458412 1.2022e-08 au
q 1.840608416215326 7.3595e-08 au
i 1.256218243449891 4.4171e-06 deg
node 243.376842872885 0.00019834 deg
peri 48.62368705599768 0.00019875 deg
M 48.45326212707484 1.368e-05 deg
tp 2458424.498638641990
(2018-Nov-01.99863864)		 4.9016e-05 TDB
period 1307.662008859434
3.58		 1.0076e-05
2.759e-08		 d
yr
n .275300496275791 2.1213e-09 deg/d
Q 2.839918158701499 1.4589e-08 au
   Orbit Determination Parameters
   # obs. used (total)      532  
   data-arc span      8125 days (22.25 yr)  
   first obs. used      1997-09-04  
   last obs. used      2019-12-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58415  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 08:02:27  

Additional Information
 Earth MOID = .824033 au 
 Jupiter MOID = 2.34882 au 
 T_jup = 3.533 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457100.5 (2015-Mar-19.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2137795286756189 3.2179e-08  
q 1.840043436235691 7.3465e-08 au
tp 2457117.618966495193
(2015-Apr-05.11896650)		 4.5021e-05 TDB
node 243.4197035386817 0.00019862 deg
peri 48.80679249496141 0.00019903 deg
i 1.255078497812937 4.4157e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      532  
   data-arc span      8125 days (22.25 yr)  
   first obs. used      1997-09-04  
   last obs. used      2019-12-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58415  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 08:02:27  

Additional Information
 Jupiter MOID = 2.34882 au 
 T_jup = 3.533 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.035470973339755E-15 -2.345664207748048E-15 2.069582888494832E-13 -1.533147495565715E-16 2.360499157543592E-14 -1.186710724079168E-16
q -2.345664207748048E-15 5.397071623306877E-15 -3.578591052322126E-13 -1.427125765879691E-15 -2.36410993556192E-14 2.785452458084467E-16
tp 2.069582888494832E-13 -3.578591052322126E-13 2.02691992065871E-9 -9.496754768443955E-12 5.901975766165833E-10 -6.983554933457881E-13
node -1.533147495565715E-16 -1.427125765879691E-15 -9.496754768443955E-12 3.944811655679937E-8 -3.944137582161008E-8 -3.25096432934357E-10
peri 2.360499157543592E-14 -2.36410993556192E-14 5.901975766165833E-10 -3.944137582161008E-8 3.961134451533708E-8 3.248328622656728E-10
i -1.186710724079168E-16 2.785452458084467E-16 -6.983554933457881E-13 -3.25096432934357E-10 3.248328622656728E-10 1.949807282522517E-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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)		 Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1988-Jul-07 10:05 00:02 Europ 0.0410738733144929 0.0410717619156321 0.0410759848392673 3.911369165903 3.91136909974578 2447349.920092146 2.15363633575498 158.685557628482 31.559001718764 -49.8045616256511 150698.597824613 T 21 CATAB v2.0f-lin.ifort 2019-Dec-14 08:02:31 2019-Dec-14 08:02

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