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192420 (1997 SP20)
Classification: Main-belt Asteroid          SPK-ID: 2192420
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1400612059183014 4.5081e-08  
a 2.424118312626174 1.0907e-08 au
q 2.084593378471114 1.0846e-07 au
i 6.992816413231017 5.3807e-06 deg
node 15.72430907907487 3.8644e-05 deg
peri 53.64628139547575 4.3996e-05 deg
M 16.77746242325346 1.8742e-05 deg
tp 2459136.252990193850
(2020-Oct-13.75299019)
7.1733e-05 TDB
period 1378.571022645083
3.77
9.3044e-06
2.547e-08
d
yr
n .2611399732668565 1.7625e-09 deg/d
Q 2.763643246781233 1.2435e-08 au
  Orbit Determination Parameters
   # obs. used (total)      443  
   data-arc span      8564 days (23.45 yr)  
   first obs. used      1997-09-28  
   last obs. used      2021-03-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53548  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:16:02  

Additional Information
 Earth MOID = 1.10634 au 
 Jupiter MOID = 2.53707 au 
 T_jup = 3.488 
[ 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 16.36   n/a MPCxxxxx  

192420 (1997 SP20)          Discovered 1997-Sep-28 by Spacewatch at Kitt Peak
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17

[ show close-approach data ]
Alternate Designations
 1997 SP20 = 2001 TY39 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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