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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07269916227009689 3.8892e-08  
a 2.95154098821702 1.7741e-08 au
q 2.736966430967789 1.1256e-07 au
i 9.309845609174669 4.7837e-06 deg
node 288.7747877207569 2.8796e-05 deg
peri 170.5655606384309 4.8257e-05 deg
M 104.4049356307893 3.7359e-05 deg
tp 2458663.356673916470
(2019-Jun-28.85667392)
0.0001923 TDB
period 1852.13080417862
5.07
1.6699e-05
4.572e-08
d
yr
n .1943707211109489 1.7524e-09 deg/d
Q 3.166115545466251 1.903e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1124  
   data-arc span      8270 days (22.64 yr)  
   first obs. used      1997-09-30  
   last obs. used      2020-05-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49214  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:52:00  

Additional Information
 Earth MOID = 1.75412 au 
 Jupiter MOID = 1.96908 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 14.06   n/a E2021B10  
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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