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101328 (1998 SJ162)
Classification: Mars-crossing Asteroid          SPK-ID: 2101328
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3186080650140559 3.9163e-08  
a 2.373067570829954 5.1911e-09 au
q 1.616989103940216 9.268e-08 au
i 4.871236436958392 4.743e-06 deg
node 206.9268397926093 4.156e-05 deg
peri 190.733394131791 4.2021e-05 deg
M 324.8283737253261 5.0877e-06 deg
tp 2459130.952838319357
(2020-Oct-08.45283832)
1.9e-05 TDB
period 1335.253065303533
3.66
4.3813e-06
1.2e-08
d
yr
n .2696118131870111 8.8466e-10 deg/d
Q 3.129146037719691 6.845e-09 au
  Orbit Determination Parameters
   # obs. used (total)      680  
   data-arc span      10504 days (28.76 yr)  
   first obs. used      1992-01-27  
   last obs. used      2020-10-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51044  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:01:12  

Additional Information
 Earth MOID = .624646 au 
 Jupiter MOID = 2.30133 au 
 T_jup = 3.468 
[ 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 16.4   n/a MPO436473  

101328 (1998 SJ162)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1998 SJ162 = 1987 SD25 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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