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101256 (1998 SA95)
Classification: Main-belt Asteroid          SPK-ID: 2101256
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2577048082194047 3.2047e-08  
a 2.622247355519947 1.2116e-08 au
q 1.946481603661838 8.2055e-08 au
i 6.191363342946094 4.7267e-06 deg
node 43.41372934355626 4.7096e-05 deg
peri 227.5125747874527 4.8374e-05 deg
M 97.764852206539 1.1375e-05 deg
tp 2458579.299228167751
(2019-Apr-05.79922817)
4.859e-05 TDB
period 1550.989690438746
4.25
1.075e-05
2.943e-08
d
yr
n .2321098600585558 1.6087e-09 deg/d
Q 3.298013107378057 1.5239e-08 au
  Orbit Determination Parameters
   # obs. used (total)      752  
   data-arc span      8069 days (22.09 yr)  
   first obs. used      1998-09-24  
   last obs. used      2020-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46593  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:01:34  

Additional Information
 Earth MOID = .936923 au 
 Jupiter MOID = 1.84225 au 
 T_jup = 3.348 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.2   n/a MPO502725  
diameter diameter 2.802 km 0.094 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 5.60 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Molnar, L.; Pal, A.; Sarneczky, K.; Szabo, R.; et al. (2017) ArXiv:170606056v1]
geometric albedo albedo 0.225   0.077 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

101256 (1998 SA95)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1998 SA95 = 2002 QU8 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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