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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03297918561699741 3.973e-08  
a 2.652750126110729 1.0557e-08 au
q 2.56526458730621 1.0165e-07 au
i 1.609805661609392 3.1356e-06 deg
node 241.5683361709634 0.00012516 deg
peri 292.0224141551267 0.00013412 deg
M 128.5288293350112 4.9355e-05 deg
tp 2458437.068668404935
(2018-Nov-14.56866841)		 0.00021566 TDB
period 1578.130606367947
4.32		 9.4204e-06
2.579e-08		 d
yr
n .2281180014805851 1.3617e-09 deg/d
Q 2.740235664915248 1.0905e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1733  
   data-arc span      21951 days (60.10 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-10-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50049  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 01:59:58  

Additional Information
 Earth MOID = 1.5696 au 
 Jupiter MOID = 2.22447 au 
 T_jup = 3.388 
[ 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 14.4   n/a MPO337434  

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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