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46956 (1998 SQ123)
Classification: Main-belt Asteroid          SPK-ID: 2046956
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2333201170423156 4.2188e-08  
a 2.623802567010137 1.0532e-08 au
q 2.011616644979403 1.1341e-07 au
i 3.28282234078414 4.751e-06 deg
node 186.1274236058553 6.1375e-05 deg
peri 192.4566326424473 6.2155e-05 deg
M 33.49175326901199 7.8194e-06 deg
tp 2458856.078936696702
(2020-Jan-07.57893670)
3.3627e-05 TDB
period 1552.369694461235
4.25
9.3465e-06
2.559e-08
d
yr
n .231903522263066 1.3962e-09 deg/d
Q 3.23598848904087 1.2989e-08 au
  Orbit Determination Parameters
   # obs. used (total)      750  
   data-arc span      7740 days (21.19 yr)  
   first obs. used      1998-09-18  
   last obs. used      2019-11-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56263  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 03:59:08  

Additional Information
 Earth MOID = 1.01383 au 
 Jupiter MOID = 2.2252 au 
 T_jup = 3.362 
[ 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 MPO412498  

46956 (1998 SQ123)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

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