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52123 (4217 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2052123
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0956593744445712 4.3594e-08  
a 2.614922762062713 1.2894e-08 au
q 2.364780886422924 1.1588e-07 au
i .7588741689532905 3.7715e-06 deg
node 290.4262358465288 0.00042148 deg
peri 29.90204221570912 0.00042239 deg
M 77.05964464893889 2.6393e-05 deg
tp 2458669.893623024119
(2019-Jul-05.39362302)
0.0001137 TDB
period 1544.495776661437
4.23
1.1424e-05
3.128e-08
d
yr
n .2330857781807417 1.724e-09 deg/d
Q 2.865064637702503 1.4127e-08 au
  Orbit Determination Parameters
   # obs. used (total)      580  
   data-arc span      21671 days (59.33 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58077  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 10:22:03  

Additional Information
 Earth MOID = 1.35186 au 
 Jupiter MOID = 2.37588 au 
 T_jup = 3.401 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.9   n/a MPO439445  

52123 (4217 P-L)          Discovered 1960-Sep-24 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 4217 P-L = 1997 HU11 = 1998 ST150 = 2002 PS91 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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