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46728 (1997 SJ29)
Classification: Main-belt Asteroid          SPK-ID: 2046728
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07272880025765795 3.9111e-08  
a 2.952200404128557 1.7789e-08 au
q 2.737490410616114 1.1319e-07 au
i 9.309876386832869 4.8032e-06 deg
node 288.776613347728 2.8875e-05 deg
peri 170.7386019888656 4.8305e-05 deg
M 65.35931724805323 3.7382e-05 deg
tp 2458664.126180998287
(2019-Jun-29.62618100)
0.00019246 TDB
period 1852.751527085811
5.07
1.6747e-05
4.585e-08
d
yr
n .1943056015537298 1.7563e-09 deg/d
Q 3.166910397641 1.9083e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1115  
   data-arc span      8270 days (22.64 yr)  
   first obs. used      1997-09-30  
   last obs. used      2020-05-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49315  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 21:41:46  

Additional Information
 Earth MOID = 1.75481 au 
 Jupiter MOID = 1.96823 au 
 T_jup = 3.245 
[ 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 14.0   n/a MPO319643  
diameter diameter 5.935 km 0.176 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.166   0.017 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46728 (1997 SJ29)          Discovered 1997-Sep-30 by Spacewatch at Kitt Peak
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1997 SJ29 = 1998 XM35 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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