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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09564112129843862 4.2384e-08  
a 2.615506631579656 1.2565e-08 au
q 2.365356644571876 1.1213e-07 au
i .7588202533562488 3.7422e-06 deg
node 290.4303377111293 0.00040633 deg
peri 30.03141952607562 0.00040718 deg
M 123.5301536958116 2.5122e-05 deg
tp 2458670.345263119847
(2019-Jul-05.84526312)
0.00010829 TDB
period 1545.013096533743
4.23
1.1134e-05
3.048e-08
d
yr
n .2330077335963461 1.6791e-09 deg/d
Q 2.865656618587437 1.3767e-08 au
  Orbit Determination Parameters
   # obs. used (total)      614  
   data-arc span      22031 days (60.32 yr)  
   first obs. used      1960-09-24  
   last obs. used      2021-01-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57117  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 10:43:08  

Additional Information
 Earth MOID = 1.35048 au 
 Jupiter MOID = 2.37504 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 15.96   n/a MPCxxxxx  

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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