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190856 (2001 SZ231)
Classification: Main-belt Asteroid          SPK-ID: 2190856
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1302635204293537 4.0346e-08  
a 2.374464232722064 9.9963e-09 au
q 2.065158162634104 9.5063e-08 au
i 4.394242334604598 5.4096e-06 deg
node 22.10816535185148 6.6689e-05 deg
peri 75.94569243238614 7.0801e-05 deg
M 24.28387810651184 2.4388e-05 deg
tp 2459110.350687623475
(2020-Sep-17.85068762)
9.0354e-05 TDB
period 1336.432027586505
3.66
8.4394e-06
2.311e-08
d
yr
n .2693739693219809 1.7011e-09 deg/d
Q 2.683770302810024 1.1298e-08 au
  Orbit Determination Parameters
   # obs. used (total)      405  
   data-arc span      11101 days (30.39 yr)  
   first obs. used      1990-10-12  
   last obs. used      2021-03-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57063  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:09:24  

Additional Information
 Earth MOID = 1.08696 au 
 Jupiter MOID = 2.46351 au 
 T_jup = 3.527 
[ 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 16.5   n/a MPO440058  

190856 (2001 SZ231)          Discovered 2001-Sep-19 by LINEAR at Socorro
Reference: 20080917/Numbers.arcLast Updated: 2008-09-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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