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226491 (2003 SR274)
Classification: Main-belt Asteroid          SPK-ID: 2226491
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1415927140413488 4.348e-08  
a 3.122539293559026 2.3273e-08 au
q 2.680410480283248 1.3627e-07 au
i 5.437158280332605 5.8222e-06 deg
node 35.94537321747815 4.7074e-05 deg
peri 274.3111599345935 5.1356e-05 deg
M 97.18172303192067 1.9667e-05 deg
tp 2458656.445522044832
(2019-Jun-21.94552204)
0.00010998 TDB
period 2015.395549217908
5.52
2.2532e-05
6.169e-08
d
yr
n .1786249851249802 1.997e-09 deg/d
Q 3.564668106834805 2.6568e-08 au
  Orbit Determination Parameters
   # obs. used (total)      314  
   data-arc span      10328 days (28.28 yr)  
   first obs. used      1992-10-03  
   last obs. used      2021-01-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56823  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 13:09:15  

Additional Information
 Earth MOID = 1.67129 au 
 Jupiter MOID = 1.73276 au 
 T_jup = 3.193 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457671.5 (2016-Oct-10.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1448654543461921 4.3258e-08  
q 2.667790098833859 1.3615e-07 au
tp 2458656.583791783619
(2019-Jun-22.08379178)
0.00010748 TDB
node 35.98545802570958 4.7007e-05 deg
peri 274.6648295117739 5.1148e-05 deg
i 5.445685345058721 5.8294e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      314  
   data-arc span      10328 days (28.28 yr)  
   first obs. used      1992-10-03  
   last obs. used      2021-01-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56823  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 13:09:15  

Additional Information
 Jupiter MOID = 1.73276 au 
 T_jup = 3.193 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.871290789659877E-15 -5.826392752015918E-15 1.082233444384068E-12 -4.173279850621468E-15 1.36063384274836E-13 -2.328340248527335E-15
q -5.826392752015918E-15 1.853678654390303E-14 -3.430880999846077E-12 1.294349276808226E-14 -4.775876725547994E-13 7.809409299310161E-15
tp 1.082233444384068E-12 -3.430880999846077E-12 1.155159151214733E-8 -1.758450687657425E-11 2.170320569160651E-9 -4.504423870138174E-12
node -4.173279850621468E-15 1.294349276808226E-14 -1.758450687657425E-11 2.209698038815707E-9 -2.20231081068116E-9 -5.332785481754373E-11
peri 1.36063384274836E-13 -4.775876725547994E-13 2.170320569160651E-9 -2.20231081068116E-9 2.616071033181115E-9 5.22478857657769E-11
i -2.328340248527335E-15 7.809409299310161E-15 -4.504423870138174E-12 -5.332785481754373E-11 5.22478857657769E-11 3.398148272149203E-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 15.5   n/a MPO450050  

226491 (2003 SR274)          Discovered 2003-Sep-28 by Spacewatch at Kitt Peak
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

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