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129694 (1998 SP46)
Classification: Main-belt Asteroid          SPK-ID: 2129694
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1850450582520203 5.5123e-08  
a 2.767566334633834 2.1047e-08 au
q 2.255441861025186 1.6364e-07 au
i 8.884647573514714 5.8954e-06 deg
node 24.26674800262614 2.8829e-05 deg
peri 286.1968169609588 3.5144e-05 deg
M 307.6011189064317 1.5625e-05 deg
tp 2459245.273838294328
(2021-Jan-30.77383829)
7.2434e-05 TDB
period 1681.688233544629
4.60
1.9184e-05
5.252e-08
d
yr
n .2140705945484314 2.442e-09 deg/d
Q 3.279690808242482 2.4942e-08 au
  Orbit Determination Parameters
   # obs. used (total)      406  
   data-arc span      7936 days (21.73 yr)  
   first obs. used      1998-09-25  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60766  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 02:17:29  

Additional Information
 Earth MOID = 1.26135 au 
 Jupiter MOID = 2.08591 au 
 T_jup = 3.296 
[ 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 15.6   n/a MPO469353  

129694 (1998 SP46)          Discovered 1998-Sep-25 by Spacewatch at Kitt Peak
Reference: 20060711/Numbers.arcLast Updated: 2006-07-17

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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