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120924 (1998 SS104)
Classification: Main-belt Asteroid          SPK-ID: 2120924
[ 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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0933689546515014 4.5099e-08  
a 2.229252059121989 1.0431e-08 au
q 2.021109124707062 1.0527e-07 au
i 6.523419678575094 4.3527e-06 deg
node 53.13611348825317 3.9321e-05 deg
peri 191.5702220595341 4.7377e-05 deg
M 295.3106337961142 2.8653e-05 deg
tp 2459218.957815699625
(2021-Jan-04.45781570)		 9.7259e-05 TDB
period 1215.730161955753
3.33		 8.5326e-06
2.336e-08		 d
yr
n .296118342100574 2.0783e-09 deg/d
Q 2.437394993536916 1.1405e-08 au
   Orbit Determination Parameters
   # obs. used (total)      836  
   data-arc span      7930 days (21.71 yr)  
   first obs. used      1998-09-21  
   last obs. used      2020-06-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55031  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 17:53:44  

Additional Information
 Earth MOID = 1.00851 au 
 Jupiter MOID = 2.56475 au 
 T_jup = 3.629 
[ 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 16.19   n/a E2021B55  
diameter diameter 1.725 km 0.206 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.284   0.151 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

120924 (1998 SS104)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

Alternate Designations
 1998 SS104 = 2001 OH93 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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