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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 ]

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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2134592179102605 3.0446e-08  
a 2.340909428299471 1.1465e-08 au
q 1.841220732535911 7.0184e-08 au
i 1.255944804532487 3.8561e-06 deg
node 243.3671044663913 0.00018835 deg
peri 48.7417926710935 0.00018874 deg
M 213.450827113601 1.4237e-05 deg
tp 2459733.044880408880
(2022-Jun-02.54488041)
5.4349e-05 TDB
period 1308.203609554385
3.58
9.6109e-06
2.631e-08
d
yr
n .2751865209442644 2.0217e-09 deg/d
Q 2.84059812406303 1.3913e-08 au
  Orbit Determination Parameters
   # obs. used (total)      593  
   data-arc span      8597 days (23.54 yr)  
   first obs. used      1997-09-04  
   last obs. used      2021-03-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56796  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 08:06:47  

Additional Information
 Earth MOID = .823373 au 
 Jupiter MOID = 2.34951 au 
 T_jup = 3.533 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457394.5 (2016-Jan-07.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .213842172085056 3.04e-08  
q 1.83985759208286 7.0079e-08 au
tp 2457117.551338217082
(2015-Apr-05.05133822)
4.344e-05 TDB
node 243.4076712945667 0.00018854 deg
peri 48.78589034289227 0.00018893 deg
i 1.255138843620232 3.8561e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      593  
   data-arc span      8597 days (23.54 yr)  
   first obs. used      1997-09-04  
   last obs. used      2021-03-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56796  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 08:06:47  

Additional Information
 Jupiter MOID = 2.34951 au 
 T_jup = 3.533 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.241535228762099E-16 -2.113449702591795E-15 3.061327575066473E-13 -3.365331657650462E-15 6.837920057423958E-14 -2.069741140699809E-18
q -2.113449702591795E-15 4.911090023016608E-15 -5.547509877646947E-13 5.283400991746083E-15 -1.133968840367698E-13 2.550870753432527E-17
tp 3.061327575066473E-13 -5.547509877646947E-13 1.887026440128257E-9 -1.467544313561708E-11 5.389380198503249E-10 -3.447077849899371E-13
node -3.365331657650462E-15 5.283400991746083E-15 -1.467544313561708E-11 3.55479386464828E-8 -3.554343262443503E-8 -2.108685158553471E-10
peri 6.837920057423958E-14 -1.133968840367698E-13 5.389380198503249E-10 -3.554343262443503E-8 3.569279387686702E-8 2.107312787401218E-10
i -2.069741140699809E-18 2.550870753432527E-17 -3.447077849899371E-13 -2.108685158553471E-10 2.107312787401218E-10 1.486975366386575E-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 16.68   n/a MPCxxxxx  

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

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