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JPL Small-Body Database Browser
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52929 (1998 SY122)
Classification: Main-belt Asteroid          SPK-ID: 2052929
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1151938980476509 5.0193e-08  
a 2.366207710280384 1.1119e-08 au
q 2.093635020542779 1.2012e-07 au
i 6.826818201815231 6.3895e-06 deg
node 13.10701626369559 3.4888e-05 deg
peri 20.36879232551228 4.1696e-05 deg
M 328.3608474184706 2.3935e-05 deg
tp 2459117.342291778739
(2020-Sep-24.84229178)
8.8607e-05 TDB
period 1329.467498598619
3.64
9.3711e-06
2.566e-08
d
yr
n .2707851078566968 1.9087e-09 deg/d
Q 2.638780400017987 1.24e-08 au
  Orbit Determination Parameters
   # obs. used (total)      765  
   data-arc span      17484 days (47.87 yr)  
   first obs. used      1971-03-24  
   last obs. used      2019-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58636  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 10:38:33  

Additional Information
 Earth MOID = 1.10062 au 
 Jupiter MOID = 2.78669 au 
 T_jup = 3.529 
[ 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 15.4   n/a MPO436154  
diameter diameter 1.726 km 0.474 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.374   0.143 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

52929 (1998 SY122)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 SY122 = 4044 T-1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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