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469830 (2005 SM235)
Classification: Main-belt Asteroid          SPK-ID: 2469830
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ 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 .2080477745758013 1.0725e-07  
a 2.386312076798339 1.3522e-08 au
q 1.889845159777086 2.5978e-07 au
i 1.954957552939824 9.6157e-06 deg
node 197.2172703752373 0.00015417 deg
peri 178.293878910775 0.00015537 deg
M 355.7188154898262 1.6104e-05 deg
tp 2459016.512189833264
(2020-Jun-16.01218983)
6.0297e-05 TDB
period 1346.44707002858
3.69
1.1445e-05
3.133e-08
d
yr
n .267370331900502 2.2726e-09 deg/d
Q 2.882778993819592 1.6336e-08 au
  Orbit Determination Parameters
   # obs. used (total)      129  
   data-arc span      5989 days (16.40 yr)  
   first obs. used      2003-01-28  
   last obs. used      2019-06-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56937  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 08:02:44  

Additional Information
 Earth MOID = .891031 au 
 Jupiter MOID = 2.58126 au 
 T_jup = 3.505 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457123.5 (2015-Apr-11.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2098763046994631 1.0735e-07  
q 1.884863389088433 2.6037e-07 au
tp 2457669.837424946567
(2016-Oct-08.33742495)
5.4373e-05 TDB
node 197.2829975766637 0.00015399 deg
peri 178.2749886139193 0.00015516 deg
i 1.955897767502153 9.6266e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      129  
   data-arc span      5989 days (16.40 yr)  
   first obs. used      2003-01-28  
   last obs. used      2019-06-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56937  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 08:02:44  

Additional Information
 Jupiter MOID = 2.58126 au 
 T_jup = 3.505 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.152324758032049E-14 -2.792881859676219E-14 -2.023388316580283E-12 -1.659639476083856E-15 -7.560944339449038E-13 -8.5729663868701E-15
q -2.792881859676219E-14 6.779102609176393E-14 5.012124388208747E-12 1.303693590073667E-15 1.851863165114774E-12 2.112443789979979E-14
tp -2.023388316580283E-12 5.012124388208747E-12 2.956380541941922E-9 -7.121468240683015E-12 1.04363634643956E-9 1.336626304865884E-12
node -1.659639476083856E-15 1.303693590073667E-15 -7.121468240683015E-12 2.371389925794462E-8 -2.369863536325429E-8 -2.736535378231912E-10
peri -7.560944339449038E-13 1.851863165114774E-12 1.04363634643956E-9 -2.369863536325429E-8 2.407413211443223E-8 2.73967713974979E-10
i -8.5729663868701E-15 2.112443789979979E-14 1.336626304865884E-12 -2.736535378231912E-10 2.73967713974979E-10 9.267220013994978E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.7   n/a MPO440884  

469830 (2005 SM235)          Discovered 2005-Sep-29 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2016-08-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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