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135237 (2001 SP4)
Classification: Main-belt Asteroid          SPK-ID: 2135237
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01052338722668854 6.1931e-08  
a 3.173439635967997 2.4035e-08 au
q 3.140044301838185 2.023e-07 au
i 10.28715868336905 6.9808e-06 deg
node 346.2851228373355 2.1943e-05 deg
peri 208.3068765665223 0.00024639 deg
M 309.0252997112334 0.00024416 deg
tp 2459492.878860840765
(2021-Oct-05.37886084)
0.0014001 TDB
period 2064.875110719798
5.65
2.3458e-05
6.422e-08
d
yr
n .1743446846402769 1.9806e-09 deg/d
Q 3.20683497009781 2.4288e-08 au
  Orbit Determination Parameters
   # obs. used (total)      764  
   data-arc span      7149 days (19.57 yr)  
   first obs. used      2001-09-11  
   last obs. used      2021-04-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54238  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 09:20:55  

Additional Information
 Earth MOID = 2.14422 au 
 Jupiter MOID = 1.77069 au 
 T_jup = 3.176 
[ 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 14.72   n/a MPCxxxxx  
diameter diameter 6.599 km 0.309 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.064   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

135237 (2001 SP4)          Discovered 2001-Sep-18 by Tucker, R. A. at Goodricke-Pigott
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10

[ show close-approach data ]
Alternate Designations
 2001 SP4 = 2004 CM6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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