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JPL Small-Body Database Browser
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35057 (1984 SP4)
Classification: Main-belt Asteroid          SPK-ID: 2035057
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2508026103539974 4.8775e-08  
a 2.531026685088525 9.2491e-09 au
q 1.896238585592698 1.2483e-07 au
i 5.091839604516083 5.3996e-06 deg
node 302.8865392119513 4.844e-05 deg
peri 81.03140622780039 4.9955e-05 deg
M 204.3020294598988 1.3166e-05 deg
tp 2459236.597903064861
(2021-Jan-22.09790306)
5.5682e-05 TDB
period 1470.765767267149
4.03
8.0619e-06
2.207e-08
d
yr
n .244770450884862 1.3417e-09 deg/d
Q 3.165814784584352 1.1569e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1143  
   data-arc span      12646 days (34.62 yr)  
   first obs. used      1984-09-23  
   last obs. used      2019-05-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56375  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 03:53:16  

Additional Information
 Earth MOID = .907082 au 
 Jupiter MOID = 2.33224 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 14.7   n/a MPO385037  
diameter diameter 3.200 km 0.513 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.172   0.097 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

35057 (1984 SP4)          Discovered 1984-Sep-23 by Debehogne, H. at La Silla
Reference: 20020227/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1984 SP4 = 1996 TP55 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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