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52125 (4274 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2052125
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07442916080191637 4.6907e-08  
a 2.299434195890458 8.9109e-09 au
q 2.128289238371102 1.0885e-07 au
i 2.147819502640218 4.413e-06 deg
node 280.3462790429364 0.00011816 deg
peri 248.4727553744096 0.00012146 deg
M 299.5203926059889 2.9597e-05 deg
tp 2459414.461861589310
(2021-Jul-18.96186159)
0.000105 TDB
period 1273.590776976159
3.49
7.4032e-06
2.027e-08
d
yr
n .2826653635595062 1.6431e-09 deg/d
Q 2.470579153409814 9.5741e-09 au
  Orbit Determination Parameters
   # obs. used (total)      772  
   data-arc span      22060 days (60.40 yr)  
   first obs. used      1960-09-24  
   last obs. used      2021-02-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50393  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 10:43:09  

Additional Information
 Earth MOID = 1.13511 au 
 Jupiter MOID = 2.50091 au 
 T_jup = 3.588 
[ 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 15.98   n/a MPCxxxxx  
diameter diameter 3.586 km 0.176 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.095   0.018 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

52125 (4274 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

[ show close-approach data ]
Alternate Designations
 4274 P-L = 1990 EC4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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