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192449 (1997 WG20)
Classification: Main-belt Asteroid          SPK-ID: 2192449
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 .2172118913275128 4.1927e-08  
a 2.394526247171989 1.1115e-08 au
q 1.87440667219039 9.8261e-08 au
i 1.937444437317415 4.9568e-06 deg
node 187.1589874612493 0.00012502 deg
peri 120.452058281544 0.00012568 deg
M 164.6367964238909 1.1495e-05 deg
tp 2458581.554748123354
(2019-Apr-08.05474812)
4.1671e-05 TDB
period 1353.405165282106
3.71
9.4237e-06
2.58e-08
d
yr
n .2659957337498124 1.8521e-09 deg/d
Q 2.914645822153588 1.353e-08 au
  Orbit Determination Parameters
   # obs. used (total)      351  
   data-arc span      8455 days (23.15 yr)  
   first obs. used      1997-11-25  
   last obs. used      2021-01-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54559  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:16:09  

Additional Information
 Earth MOID = .858577 au 
 Jupiter MOID = 2.34959 au 
 T_jup = 3.497 
[ 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 17.19   n/a MPCxxxxx  

192449 (1997 WG20)          Discovered 1997-Nov-25 by Spacewatch at Kitt Peak
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17

[ show close-approach data ]
Alternate Designations
 1997 WG20 = 2004 PV39 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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