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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07448301079485012 5.1974e-08  
a 2.299061942937901 1.0717e-08 au
q 2.127820887424028 1.1823e-07 au
i 2.147838580796151 4.4487e-06 deg
node 280.3435529841645 0.00014027 deg
peri 248.8013249675828 0.00014339 deg
M 129.5357171270383 3.2025e-05 deg
tp 2458142.346014770053
(2018-Jan-23.84601477)
0.00011215 TDB
period 1273.281519112025
3.49
8.9026e-06
2.437e-08
d
yr
n .2827340180442271 1.9768e-09 deg/d
Q 2.470302998451773 1.1515e-08 au
  Orbit Determination Parameters
   # obs. used (total)      621  
   data-arc span      21602 days (59.14 yr)  
   first obs. used      1960-09-24  
   last obs. used      2019-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51678  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 04:57:55  

Additional Information
 Earth MOID = 1.13539 au 
 Jupiter MOID = 2.50336 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 16.0   n/a MPO493234  
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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