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52910 (1998 SY91)
Classification: Main-belt Asteroid          SPK-ID: 2052910
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1233534234020485 4.0639e-08  
a 2.27704049179265 9.338e-09 au
q 1.996159751904942 9.4257e-08 au
i 3.044701659166548 4.2612e-06 deg
node 266.6232152856817 9.4862e-05 deg
peri 120.4615713941987 9.7682e-05 deg
M 96.42074509797138 2.2964e-05 deg
tp 2458664.358185800822
(2019-Jun-29.85818580)
7.9261e-05 TDB
period 1255.031300460777
3.44
7.7202e-06
2.114e-08
d
yr
n .2868454355423871 1.7645e-09 deg/d
Q 2.557921231680357 1.049e-08 au
  Orbit Determination Parameters
   # obs. used (total)      696  
   data-arc span      15528 days (42.51 yr)  
   first obs. used      1977-07-20  
   last obs. used      2020-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56465  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 10:38:01  

Additional Information
 Earth MOID = 1.00272 au 
 Jupiter MOID = 2.86752 au 
 T_jup = 3.596 
[ 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 MPO502509  

52910 (1998 SY91)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 SY91 = 1981 UK3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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