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52950 (1998 SB146)
Classification: Main-belt Asteroid          SPK-ID: 2052950
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09339772802048563 3.6047e-08  
a 2.289031188513276 7.0118e-09 au
q 2.075240876138104 8.1934e-08 au
i 3.626746058390241 3.9151e-06 deg
node 17.13421116299993 4.7474e-05 deg
peri 182.5700993689337 5.0237e-05 deg
M 335.1367454704841 1.7299e-05 deg
tp 2459287.863790178969
(2021-Mar-14.36379018)
6.0895e-05 TDB
period 1264.957667834369
3.46
5.8122e-06
1.591e-08
d
yr
n .2845945039538966 1.3077e-09 deg/d
Q 2.502821500888448 7.6667e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1527  
   data-arc span      8225 days (22.52 yr)  
   first obs. used      1998-09-14  
   last obs. used      2021-03-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47391  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 06:20:37  

Additional Information
 Earth MOID = 1.07176 au 
 Jupiter MOID = 2.45283 au 
 T_jup = 3.591 
[ 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 15.10   n/a MPCxxxxx  
diameter diameter 1.958 km 0.376 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.505   0.127 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

52950 (1998 SB146)          Discovered 1998-Sep-20 by Elst, E. W. at La Silla
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 SB146 = 2000 DX6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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