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192543 (1998 SD146)
Classification: Main-belt Asteroid          SPK-ID: 2192543
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09132454207681154 4.5493e-08  
a 3.010337372964832 2.1551e-08 au
q 2.735419690882107 1.3361e-07 au
i 9.638222651025107 4.9943e-06 deg
node 192.1148975374335 2.6704e-05 deg
peri 216.1125924628716 3.7229e-05 deg
M 70.49059146742074 2.4782e-05 deg
tp 2458826.949057718863
(2019-Dec-09.44905772)
0.00013139 TDB
period 1907.748770747119
5.22
2.0486e-05
5.609e-08
d
yr
n .1887040922369541 2.0264e-09 deg/d
Q 3.285255055047557 2.3519e-08 au
  Orbit Determination Parameters
   # obs. used (total)      542  
   data-arc span      8217 days (22.50 yr)  
   first obs. used      1998-09-20  
   last obs. used      2021-03-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51845  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 10:19:56  

Additional Information
 Earth MOID = 1.74981 au 
 Jupiter MOID = 2.14129 au 
 T_jup = 3.222 
[ 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 15.33   n/a MPCxxxxx  
diameter diameter 4.312 km 0.818 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.072   0.041 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

192543 (1998 SD146)          Discovered 1998-Sep-20 by Elst, E. W. at La Silla
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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