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JPL Small-Body Database Browser
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233696 (2008 SU33)
Classification: Main-belt Asteroid          SPK-ID: 2233696
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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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 .1783185812510894 5.9801e-08  
a 2.695332219089806 2.066e-08 au
q 2.214704401781361 1.6612e-07 au
i 3.276031642044948 6.9996e-06 deg
node 165.2855415513131 9.8368e-05 deg
peri 240.9731692423831 9.9944e-05 deg
M 181.275013593907 1.7897e-05 deg
tp 2459802.916135033910
(2022-Aug-11.41613503)
8.5513e-05 TDB
period 1616.281049566552
4.43
1.8583e-05
5.088e-08
d
yr
n .2227335401207256 2.5609e-09 deg/d
Q 3.175960036398251 2.4344e-08 au
  Orbit Determination Parameters
   # obs. used (total)      222  
   data-arc span      8957 days (24.52 yr)  
   first obs. used      1995-10-20  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58678  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 11:12:47  

Additional Information
 Earth MOID = 1.2264 au 
 Jupiter MOID = 2.22101 au 
 T_jup = 3.345 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457408.5 (2016-Jan-21.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .178431792766789 5.9747e-08  
q 2.214410976050375 1.6594e-07 au
tp 2458187.943897167688
(2018-Mar-10.44389717)
7.6031e-05 TDB
node 165.2950262792777 9.8381e-05 deg
peri 241.2975196522144 9.9959e-05 deg
i 3.275816131117451 6.9995e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      222  
   data-arc span      8957 days (24.52 yr)  
   first obs. used      1995-10-20  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58678  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 11:12:47  

Additional Information
 Jupiter MOID = 2.22101 au 
 T_jup = 3.345 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.56968035368682E-15 -9.86570267477647E-15 -1.582927275229851E-12 7.284813167974445E-15 -2.613763693605934E-13 -1.970774855626999E-15
q -9.86570267477647E-15 2.753758797907835E-14 4.797056413191076E-12 -1.803183136479673E-14 7.851837761965997E-13 5.880539133003705E-15
tp -1.582927275229851E-12 4.797056413191076E-12 5.780640890035057E-9 -2.824639301804329E-11 1.358210053283477E-9 -3.388395742268864E-13
node 7.284813167974445E-15 -1.803183136479673E-14 -2.824639301804329E-11 9.678725359243854E-9 -9.66910723492612E-9 2.676022856476206E-10
peri -2.613763693605934E-13 7.851837761965997E-13 1.358210053283477E-9 -9.66910723492612E-9 9.991803611217768E-9 -2.673334128680423E-10
i -1.970774855626999E-15 5.880539133003705E-15 -3.388395742268864E-13 2.676022856476206E-10 -2.673334128680423E-10 4.899239367651398E-11

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 16.5   n/a MPO427344  

233696 (2008 SU33)          Discovered 2008-Sep-20 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20100228/Numbers.arcLast Updated: 2010-03-03

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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
1970-Apr-09 17:22 00:02 Hebe 0.0435104890580041 0.0435092512113537 0.0435117269160989 3.87327555380912 3.87327551692111 2440686.223365181 2.13884197840997 680.379412503269 61.60102523141 -89.7296070289237 105591.73345802 T 14 CATAB v2.0f-lin.ifort 2020-May-21 11:13:10 2020-May-21 11:13
2194-Feb-22 05:09 01:33 Psych 0.0443429055478591 0.0443145748696026 0.0443712531396408 0.858943030223808 0.858942712562196 2522454.714499536 92.9072802230442 1947.69104642159 91.040603142169 -43.8781912839996 49610.2205508539 T 14 CATAB v2.0f-lin.ifort 2020-May-21 11:13:10 2020-May-21 11:13

Alternate Designations
 2008 SU33 = 1995 UM29 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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