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JPL Small-Body Database Browser
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37450 (4257 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2037450
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1363643600333051 4.9205e-08  
a 2.361446668266944 9.0641e-09 au
q 2.039429504595942 1.1809e-07 au
i 5.831653081733478 5.2024e-06 deg
node 336.9495511163146 3.9082e-05 deg
peri 32.96270787325782 4.2543e-05 deg
M 156.3488061514253 1.5437e-05 deg
tp 2458424.851061501501
(2018-Nov-02.35106150)
5.6078e-05 TDB
period 1325.456989155081
3.63
7.6314e-06
2.089e-08
d
yr
n .2716044375227021 1.5638e-09 deg/d
Q 2.683463831937947 1.03e-08 au
  Orbit Determination Parameters
   # obs. used (total)      626  
   data-arc span      21679 days (59.35 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53938  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 04:32:00  

Additional Information
 Earth MOID = 1.04105 au 
 Jupiter MOID = 2.78658 au 
 T_jup = 3.531 
[ 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 16.0   n/a MPO459126  

37450 (4257 P-L)          Discovered 1960-Sep-24 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20020227/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 4257 P-L = 1978 RG8 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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