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392740 (2012 SS27)
Classification: Main-belt Asteroid          SPK-ID: 2392740
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1529573581848931 6.1512e-08  
a 2.634043459626854 4.0307e-08 au
q 2.231147130698134 1.5782e-07 au
i 12.96727017107336 7.0612e-06 deg
node 4.621827297534188 2.9537e-05 deg
peri 15.84827991525229 3.8697e-05 deg
M 183.2432666990354 2.7812e-05 deg
tp 2459367.166164839701
(2021-Jun-01.66616484)
0.0001314 TDB
period 1561.467075046844
4.28
3.5841e-05
9.813e-08
d
yr
n .2305524117370198 5.292e-09 deg/d
Q 3.036939788555573 4.6472e-08 au
  Orbit Determination Parameters
   # obs. used (total)      131  
   data-arc span      4822 days (13.20 yr)  
   first obs. used      2006-02-24  
   last obs. used      2019-05-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5789  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 09:55:41  

Additional Information
 Earth MOID = 1.23453 au 
 Jupiter MOID = 2.43774 au 
 T_jup = 3.346 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457695.5 (2016-Nov-03.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1532537259053788 6.1459e-08  
q 2.230897517439706 1.5763e-07 au
tp 2457806.553042164585
(2017-Feb-22.05304216)
0.00011118 TDB
node 4.628852182114915 2.953e-05 deg
peri 16.02782542233956 3.8658e-05 deg
i 12.96840797935985 7.0617e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      131  
   data-arc span      4822 days (13.20 yr)  
   first obs. used      2006-02-24  
   last obs. used      2019-05-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5789  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 09:55:41  

Additional Information
 Jupiter MOID = 2.43774 au 
 T_jup = 3.346 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.77716419123436E-15 -9.469287539979971E-15 -7.544189826853425E-13 -1.894155042157584E-14 -2.600513793804375E-13 3.953187808452847E-15
q -9.469287539979971E-15 2.48459846235794E-14 3.670112655216122E-12 5.273883872812597E-14 1.016684048542327E-12 -1.199386160308802E-14
tp -7.544189826853425E-13 3.670112655216122E-12 1.236128959384827E-8 2.662406106347982E-11 2.814956186192023E-9 -2.773675181816836E-11
node -1.894155042157584E-14 5.273883872812597E-14 2.662406106347982E-11 8.720193719179168E-10 -8.424134133471744E-10 -3.19647807199078E-11
peri -2.600513793804375E-13 1.016684048542327E-12 2.814956186192023E-9 -8.424134133471744E-10 1.494438436566049E-9 2.489025677408829E-11
i 3.953187808452847E-15 -1.199386160308802E-14 -2.773675181816836E-11 -3.19647807199078E-11 2.489025677408829E-11 4.986726232317297E-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 16.7   n/a MPO437608  

392740 (2012 SS27)          Discovered 2006-Feb-24 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-04-17

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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