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JPL Small-Body Database Browser
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393432 (2001 SO228)
Classification: Main-belt Asteroid          SPK-ID: 2393432
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .163791663469238 8.7554e-08  
a 2.313642614104106 1.2758e-08 au
q 1.934687241666678 2.0556e-07 au
i 7.227356536843779 9.5323e-06 deg
node 23.55334972316199 4.3249e-05 deg
peri 307.4060212766997 4.9005e-05 deg
M 140.2190531106972 2.1642e-05 deg
tp 2458499.834843108882
(2019-Jan-16.33484311)
7.6594e-05 TDB
period 1285.413447618355
3.52
1.0632e-05
2.911e-08
d
yr
n .2800655311853293 2.3164e-09 deg/d
Q 2.692597986541534 1.4847e-08 au
  Orbit Determination Parameters
   # obs. used (total)      145  
   data-arc span      9219 days (25.24 yr)  
   first obs. used      1994-10-07  
   last obs. used      2020-01-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64736  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-30 09:59:50  

Additional Information
 Earth MOID = .93475 au 
 Jupiter MOID = 2.68293 au 
 T_jup = 3.554 
[ 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 17.5   n/a MPO455790  

393432 (2001 SO228)          Discovered 2001-Sep-19 by LINEAR at Socorro
Reference: Last Updated: 2014-05-15

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1991-Oct-26 10:49 00:04 Amphi 0.0499792188896732 0.0499737881822158 0.0499846496417323 2.74148538389279 2.74148534193645 2448555.950519437 3.84471980046122 293.39556250778 205.035950058436 -32.8093841357618 29108.5236959107 T 13 CATAB v2.0f-lin.ifort 2020-Jan-30 10:00:03 2020-Jan-30 10:00
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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