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91195 (1998 SC90)
Classification: Outer Main-belt Asteroid          SPK-ID: 2091195
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07771370228896947 3.9228e-08  
a 3.203106462670755 3.0728e-08 au
q 2.954181200630886 1.314e-07 au
i 4.303937215259602 5.0868e-06 deg
node 299.8496823290393 6.687e-05 deg
peri 149.8344997553608 8.078e-05 deg
M 210.2874645765925 4.8255e-05 deg
tp 2459871.285426291735
(2022-Oct-18.78542629)
0.00028773 TDB
period 2093.897832793044
5.73
3.0131e-05
8.249e-08
d
yr
n .1719281592262776 2.474e-09 deg/d
Q 3.452031724710625 3.3116e-08 au
  Orbit Determination Parameters
   # obs. used (total)      787  
   data-arc span      7987 days (21.87 yr)  
   first obs. used      1998-09-16  
   last obs. used      2020-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56593  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 08:16:16  

Additional Information
 Earth MOID = 1.97178 au 
 Jupiter MOID = 1.69964 au 
 T_jup = 3.184 
[ 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 14.1   n/a MPO348072  

91195 (1998 SC90)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Alternate Designations
 1998 SC90 = 2000 AK21 = 2001 FW109 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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