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376857 (2001 SW299)
Classification: Main-belt Asteroid          SPK-ID: 2376857
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2153798391907077 7.1859e-08  
a 2.762785299125317 2.8109e-08 au
q 2.167737045681255 2.0742e-07 au
i 7.64828440175752 7.8618e-06 deg
node 343.7654132799062 8.1278e-05 deg
peri 339.0393843924347 8.4875e-05 deg
M 47.27978935059953 2.331e-05 deg
tp 2458780.211328563584
(2019-Oct-23.71132856)
0.00010816 TDB
period 1677.332382533216
4.59
2.5598e-05
7.008e-08
d
yr
n .2146265127584938 3.2755e-09 deg/d
Q 3.357833552569379 3.4163e-08 au
  Orbit Determination Parameters
   # obs. used (total)      113  
   data-arc span      6525 days (17.86 yr)  
   first obs. used      2001-08-24  
   last obs. used      2019-07-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55785  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:55:51  

Additional Information
 Earth MOID = 1.1577 au 
 Jupiter MOID = 1.9949 au 
 T_jup = 3.294 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457058.5 (2015-Feb-05.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2168974224248721 7.1782e-08  
q 2.163369483523982 2.077e-07 au
tp 2457104.940850356920
(2015-Mar-23.44085036)
0.00010779 TDB
node 343.8655726671262 8.1187e-05 deg
peri 339.3409208244191 8.4736e-05 deg
i 7.654671862582429 7.8695e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      113  
   data-arc span      6525 days (17.86 yr)  
   first obs. used      2001-08-24  
   last obs. used      2019-07-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55785  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:55:51  

Additional Information
 Jupiter MOID = 1.9949 au 
 T_jup = 3.294 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.152662308240686E-15 -1.48345599999563E-14 4.594990853127644E-13 -7.243476766008207E-14 3.176682232778412E-13 -1.275904567782699E-14
q -1.48345599999563E-14 4.313744501702821E-14 -1.626472558574976E-12 2.056657193953031E-13 -9.823937243261361E-13 3.826954587533193E-14
tp 4.594990853127644E-13 -1.626472558574976E-12 1.16179559923013E-8 1.133306532921385E-10 2.779285635883626E-9 1.484215694459792E-11
node -7.243476766008207E-14 2.056657193953031E-13 1.133306532921385E-10 6.591398592927733E-9 -6.503919215309184E-9 1.21748955177829E-10
peri 3.176682232778412E-13 -9.823937243261361E-13 2.779285635883626E-9 -6.503919215309184E-9 7.180272343360191E-9 -1.171537423264924E-10
i -1.275904567782699E-14 3.826954587533193E-14 1.484215694459792E-11 1.21748955177829E-10 -1.171537423264924E-10 6.192824386964761E-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 16.8   n/a MPO476767  

376857 (2001 SW299)          Discovered 2001-Sep-20 by LINEAR at Socorro
Reference: Last Updated: 2013-11-20

[ show close-approach data ]
Alternate Designations
 2001 SW299 = 2010 JE54 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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