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101259 (1998 SA98)
Classification: Main-belt Asteroid          SPK-ID: 2101259
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07767391321439214 4.5354e-08  
a 2.620834607000985 1.263e-08 au
q 2.417264127187515 1.2001e-07 au
i 4.860105745536543 4.8663e-06 deg
node 24.44876563337474 4.3739e-05 deg
peri 332.5902439626283 5.0593e-05 deg
M 94.02015855344905 2.4365e-05 deg
tp 2458795.759813444683
(2019-Nov-08.25981344)
0.00010463 TDB
period 1549.736454412404
4.24
1.1202e-05
3.067e-08
d
yr
n .2322975619338432 1.6791e-09 deg/d
Q 2.824405086814455 1.3611e-08 au
  Orbit Determination Parameters
   # obs. used (total)      689  
   data-arc span      9143 days (25.03 yr)  
   first obs. used      1996-01-25  
   last obs. used      2021-02-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52761  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:35:57  

Additional Information
 Earth MOID = 1.41282 au 
 Jupiter MOID = 2.51726 au 
 T_jup = 3.395 
[ 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 15.7   n/a MPO449613  
diameter diameter 4.468 km 0.636 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.061   0.041 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

101259 (1998 SA98)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1998 SA98 = 2002 QB32 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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