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JPL Small-Body Database Browser
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379232 (2009 SJ269)
Classification: Main-belt Asteroid          SPK-ID: 2379232
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1805759958383448 1.1076e-07  
a 2.432277568664962 3.6569e-08 au
q 1.993066624548018 2.5617e-07 au
i 1.332604009077249 9.4225e-06 deg
node 15.83072053077963 0.00051041 deg
peri 40.81680532589709 0.00051161 deg
M 261.9477367097947 3.2841e-05 deg
tp 2459377.875108354188
(2021-Jun-12.37510835)
0.00013029 TDB
period 1385.537002908515
3.79
3.1247e-05
8.555e-08
d
yr
n .2598270556789816 5.8597e-09 deg/d
Q 2.871488512781906 4.3172e-08 au
  Orbit Determination Parameters
   # obs. used (total)      87  
   data-arc span      4550 days (12.46 yr)  
   first obs. used      2005-08-08  
   last obs. used      2018-01-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49947  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Feb-06 09:32:09  

Additional Information
 Earth MOID = 1.00519 au 
 Jupiter MOID = 2.47347 au 
 T_jup = 3.484 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456871.5 (2014-Aug-02.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1824171644269197 1.115e-07  
q 1.987488784952182 2.5934e-07 au
tp 2456609.135169005911
(2013-Nov-12.63516901)
0.00011067 TDB
node 15.99213068249498 0.00050935 deg
peri 40.71428162184537 0.00051051 deg
i 1.33490043586559 9.4384e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      87  
   data-arc span      4550 days (12.46 yr)  
   first obs. used      2005-08-08  
   last obs. used      2018-01-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49947  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Feb-06 09:32:09  

Additional Information
 Jupiter MOID = 2.47347 au 
 T_jup = 3.484 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.243179133166319E-14 -2.877429828448613E-14 1.586838945372316E-12 1.945104918626247E-13 1.721560168156163E-13 -8.589559565757773E-15
q -2.877429828448613E-14 6.72581369674182E-14 -3.820341301545718E-12 -4.506391985269526E-13 -4.07642140763112E-13 1.977258038060429E-14
tp 1.586838945372316E-12 -3.820341301545718E-12 1.224862628662555E-8 2.280662834828272E-11 3.940174169682411E-9 -4.385541813236313E-12
node 1.945104918626247E-13 -4.506391985269526E-13 2.280662834828272E-11 2.594370881708186E-7 -2.593587334297692E-7 1.445077067999785E-9
peri 1.721560168156163E-13 -4.07642140763112E-13 3.940174169682411E-9 -2.593587334297692E-7 2.606178780346635E-7 -1.445967630955182E-9
i -8.589559565757773E-15 1.977258038060429E-14 -4.385541813236313E-12 1.445077067999785E-9 -1.445967630955182E-9 8.908361898845242E-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 18.1   n/a MPO281810  

379232 (2009 SJ269)          Discovered 2009-Sep-24 by Spacewatch at Kitt Peak
Reference: Last Updated: 2013-11-20

[ 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
2027-Oct-31 01:28 00:02 Eunom 0.0327137101373316 0.0326895336393103 0.0327378899393872 3.71313790911391 3.71313779354979 2461709.560901386 2.00272900106705 1311.20662430299 64.4627478248 23.3301296384378 30222.5064079156 T 10 CATAB v2.0e-lin.ifort 2018-Feb-06 09:32:11 2018-Dec-18 02:24
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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