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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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09336895468451173 4.5165e-08  
a 2.229252059176528 1.0444e-08 au
q 2.02110912468292 1.0538e-07 au
i 6.523419893771552 4.3727e-06 deg
node 53.13611420311306 3.9345e-05 deg
peri 191.5702213972876 4.7394e-05 deg
M 295.3106337268822 2.8657e-05 deg
tp 2459218.957815941441
(2021-Jan-04.45781594)
9.7272e-05 TDB
period 1215.730162000368
3.33
8.5438e-06
2.339e-08
d
yr
n .2961183420897071 2.081e-09 deg/d
Q 2.437394993670136 1.142e-08 au
  Orbit Determination Parameters
   # obs. used (total)      833  
   data-arc span      7890 days (21.60 yr)  
   first obs. used      1998-09-21  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55068  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 20:41:25  

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 16.1   n/a MPO453679  
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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