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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 
[ 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 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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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
1907-Feb-15 13:17 00:29 Cybel 0.00477429580462567 0.00476906937208337 0.00477956458873828 2.60196229644249 2.60196180677 2417622.053166016 29.2218565572376 859.081204858141 130.922604685396 -74.5459460612488 5255.88469168439 T 7 CATAB v2.0e-lin.ifort 2019-Jul-14 05:31:55 2019-Jul-14 05:31
2084-Aug-30 15:29 00:25 Cybel 0.0481288499044037 0.0481264251794049 0.0481312756011379 2.71902005076232 2.7190200042789 2482468.145364118 24.7021135354093 516.704674059645 88.7931240355545 -80.7439618066931 79978.3413857362 T 7 CATAB v2.0e-lin.ifort 2019-Jul-14 05:31:55 2019-Jul-14 05:31
2088-Oct-22 22:42 00:05 Psych 0.0152501589433285 0.0152353034181862 0.0152650470600159 3.3498393962209 3.34983915938103 2483982.445849140 4.80726289616283 1349.24178801414 129.479434627389 57.1078207603249 14803.8146843376 T 7 CATAB v2.0e-lin.ifort 2019-Jul-14 05:31:55 2019-Jul-14 05:31

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