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49216 (1998 SH124)
Classification: Main-belt Asteroid          SPK-ID: 2049216
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1599927120655923 3.6171e-08  
a 2.360394878615329 8.6134e-09 au
q 1.982748900439928 8.477e-08 au
i 6.166229316182155 4.5734e-06 deg
node 28.04372021558953 3.6553e-05 deg
peri 26.21018411840082 3.9138e-05 deg
M 321.6414568345963 1.4133e-05 deg
tp 2459141.635097034353
(2020-Oct-19.13509703)
5.2189e-05 TDB
period 1324.571548853623
3.63
7.2503e-06
1.985e-08
d
yr
n .2717859977526841 1.4877e-09 deg/d
Q 2.73804085679073 9.9915e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1067  
   data-arc span      10051 days (27.52 yr)  
   first obs. used      1993-04-25  
   last obs. used      2020-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53559  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:33:44  

Additional Information
 Earth MOID = .995801 au 
 Jupiter MOID = 2.62729 au 
 T_jup = 3.526 
[ 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 15.2   n/a MPO436128  
diameter diameter 2.610 km 0.087 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.236   0.070 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

49216 (1998 SH124)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 SH124 = 2000 GQ86 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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