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344689 (2003 SU311)
Classification: Main-belt Asteroid          SPK-ID: 2344689
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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1767432691359428 6.3464e-08  
a 2.658449362090013 3.659e-08 au
q 2.188586331001862 1.7494e-07 au
i 3.242201748319568 1.4282e-05 deg
node 205.9444279574832 0.00010073 deg
peri 251.14095799566 0.00010989 deg
M 233.9787866915681 4.3882e-05 deg
tp 2459554.719970890396
(2021-Dec-06.21997089)
0.00019892 TDB
period 1583.219080998906
4.33
3.2686e-05
8.949e-08
d
yr
n .2273848289984377 4.6944e-09 deg/d
Q 3.128312393178163 4.3057e-08 au
  Orbit Determination Parameters
   # obs. used (total)      124  
   data-arc span      9513 days (26.05 yr)  
   first obs. used      1992-03-02  
   last obs. used      2018-03-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57233  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 05:31:53  

Additional Information
 Earth MOID = 1.20796 au 
 Jupiter MOID = 2.05827 au 
 T_jup = 3.362 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456634.5 (2013-Dec-08.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1767247930662015 6.4418e-08  
q 2.187737735629347 1.7839e-07 au
tp 2456382.202405195797
(2013-Mar-30.70240520)
0.00017013 TDB
node 206.1968625969181 0.00010035 deg
peri 249.8055103613873 0.00010965 deg
i 3.247721936451233 1.4317e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      124  
   data-arc span      9513 days (26.05 yr)  
   first obs. used      1992-03-02  
   last obs. used      2018-03-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57233  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 05:31:53  

Additional Information
 Jupiter MOID = 2.05827 au 
 T_jup = 3.362 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.149661154482766E-15 -1.133178542266839E-14 -5.145279990561729E-12 2.107594905298406E-14 -1.199939140963442E-12 -7.292357877672748E-15
q -1.133178542266839E-14 3.182150473818117E-14 1.533396838862441E-11 -5.874280361603055E-14 3.649731801818476E-12 2.151601966138646E-14
tp -5.145279990561729E-12 1.533396838862441E-11 2.894561445454984E-8 -5.106807881274786E-11 7.514140821483714E-9 2.220817326224295E-11
node 2.107594905298406E-14 -5.874280361603055E-14 -5.106807881274786E-11 1.00700688776457E-8 -1.006621738179902E-8 9.774261111752836E-11
peri -1.199939140963442E-12 3.649731801818476E-12 7.514140821483714E-9 -1.006621738179902E-8 1.202292962356243E-8 -9.195488546100301E-11
i -7.292357877672748E-15 2.151601966138646E-14 2.220817326224295E-11 9.774261111752836E-11 -9.195488546100301E-11 2.049706925113146E-10

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 16.9   n/a MPO437460  

344689 (2003 SU311)          Discovered 2003-Sep-29 by Spacewatch at Kitt Peak
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03

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Alternate Designations
 2003 SU311 = 2005 EF288 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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