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20910 (4060 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2020910
[ 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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0336905420155896 3.9724e-08  
a 2.650896625626932 1.0396e-08 au
q 2.561586481482264 1.0163e-07 au
i 1.609658736997576 3.0905e-06 deg
node 241.5244471686507 0.00012444 deg
peri 291.6929849300768 0.00013277 deg
M 174.533192294722 4.7459e-05 deg
tp 2458436.201254432896
(2018-Nov-13.70125443)		 0.00020686 TDB
period 1576.476914142125
4.32		 9.2741e-06
2.539e-08		 d
yr
n .2283572926254375 1.3434e-09 deg/d
Q 2.740206769771601 1.0747e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1771  
   data-arc span      22009 days (60.26 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-12-27  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50368  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:34:22  

Additional Information
 Earth MOID = 1.56555 au 
 Jupiter MOID = 2.22366 au 
 T_jup = 3.389 
[ 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 14.47   n/a E2021B10  

20910 (4060 P-L)          Discovered 1960-Sep-24 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20010109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 4060 P-L = 2229 T-2 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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