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85493 (1997 SF19)
Classification: Main-belt Asteroid          SPK-ID: 2085493
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1494497501190671 3.4849e-08  
a 2.353002120365149 1.0303e-08 au
q 2.001346541446942 8.3802e-08 au
i 3.716062095191185 4.873e-06 deg
node 337.8197200052392 7.0715e-05 deg
peri 305.6867355400674 7.3228e-05 deg
M 217.4670055451527 2.0434e-05 deg
tp 2459722.469123029242
(2022-May-22.96912303)
7.5961e-05 TDB
period 1318.353585492475
3.61
8.659e-06
2.371e-08
d
yr
n .2730678658301831 1.7935e-09 deg/d
Q 2.704657699283355 1.1843e-08 au
  Orbit Determination Parameters
   # obs. used (total)      615  
   data-arc span      11116 days (30.43 yr)  
   first obs. used      1990-10-12  
   last obs. used      2021-03-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5606  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 08:06:48  

Additional Information
 Earth MOID = .985821 au 
 Jupiter MOID = 2.44286 au 
 T_jup = 3.538 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.25   n/a MPCxxxxx  

85493 (1997 SF19)          Discovered 1997-Sep-28 by Spacewatch at Kitt Peak
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

Alternate Designations
 1997 SF19 = 2000 JE53 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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