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277290 (2005 SN104)
Classification: Main-belt Asteroid          SPK-ID: 2277290
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2106043915003338 4.6598e-08  
a 2.415131928380392 1.8792e-08 au
q 1.906494538210812 1.1134e-07 au
i 2.077055989501867 5.7429e-06 deg
node 166.1616397445016 0.00014909 deg
peri 236.5264734119198 0.00015069 deg
M 312.0713572151005 2.7057e-05 deg
tp 2459183.016590047985
(2020-Nov-29.51659005)
0.00010489 TDB
period 1370.912435642261
3.75
1.6e-05
4.381e-08
d
yr
n .2625988288094732 3.0649e-09 deg/d
Q 2.923769318549972 2.275e-08 au
  Orbit Determination Parameters
   # obs. used (total)      279  
   data-arc span      8867 days (24.28 yr)  
   first obs. used      1996-04-20  
   last obs. used      2020-07-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52854  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 18:35:44  

Additional Information
 Earth MOID = .916081 au 
 Jupiter MOID = 2.48334 au 
 T_jup = 3.486 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456949.5 (2014-Oct-19.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2127324500152139 4.6876e-08  
q 1.900447213896744 1.1234e-07 au
tp 2456440.784407462898
(2013-May-28.28440746)
7.7295e-05 TDB
node 166.3102200951344 0.00014914 deg
peri 236.173274625779 0.00015069 deg
i 2.076940121591271 5.7447e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      279  
   data-arc span      8867 days (24.28 yr)  
   first obs. used      1996-04-20  
   last obs. used      2020-07-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52854  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 18:35:44  

Additional Information
 Jupiter MOID = 2.48334 au 
 T_jup = 3.486 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.197323313530759E-15 -5.222491691397052E-15 2.495073025693785E-13 8.816738229077523E-15 1.668238928183749E-14 2.329054255846763E-16
q -5.222491691397052E-15 1.26206625588015E-14 2.529193442958458E-13 -3.549487444249228E-14 1.975902229463086E-13 -4.533458393320132E-16
tp 2.495073025693785E-13 2.529193442958458E-13 5.97459064820591E-9 -9.704834147600708E-11 1.693069905946198E-9 7.549181036982607E-14
node 8.816738229077523E-15 -3.549487444249228E-14 -9.704834147600708E-11 2.224346296272191E-8 -2.225417609387827E-8 -3.702528683542459E-11
peri 1.668238928183749E-14 1.975902229463086E-13 1.693069905946198E-9 -2.225417609387827E-8 2.270824601447378E-8 3.702020816677904E-11
i 2.329054255846763E-16 -4.533458393320132E-16 7.549181036982607E-14 -3.702528683542459E-11 3.702020816677904E-11 3.300176844545954E-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 17.0   n/a MPO437262  

277290 (2005 SN104)          Discovered 2005-Sep-25 by Spacewatch at Kitt Peak
Reference: 20110517/Numbers.arcLast Updated: 2011-05-20

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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