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393820 (2005 SP27)
Classification: Main-belt Asteroid          SPK-ID: 2393820
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08533497424737348 1.4846e-07  
a 3.1281367986022 5.2592e-08 au
q 2.86119732545122 4.6822e-07 au
i 10.57970480383785 1.8827e-05 deg
node 214.5801758366865 4.3478e-05 deg
peri 177.614213695024 6.8585e-05 deg
M 219.8938968521409 5.2708e-05 deg
tp 2459786.968958421959
(2022-Jul-26.46895842)
0.00030436 TDB
period 2020.817214030349
5.53
5.0963e-05
1.395e-07
d
yr
n .1781457508875879 4.4926e-09 deg/d
Q 3.39507627175318 5.708e-08 au
  Orbit Determination Parameters
   # obs. used (total)      94  
   data-arc span      4941 days (13.53 yr)  
   first obs. used      2005-09-23  
   last obs. used      2019-04-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54928  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 16:17:16  

Additional Information
 Earth MOID = 1.86722 au 
 Jupiter MOID = 2.02997 au 
 T_jup = 3.182 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456926.5 (2014-Sep-26.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08648195974919251 1.4783e-07  
q 2.856740151266892 4.6577e-07 au
tp 2457772.332111358665
(2017-Jan-18.83211136)
0.00028498 TDB
node 214.6093950317374 4.3461e-05 deg
peri 178.6529529936754 6.8493e-05 deg
i 10.58310610559618 1.8833e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      94  
   data-arc span      4941 days (13.53 yr)  
   first obs. used      2005-09-23  
   last obs. used      2019-04-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54928  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 16:17:16  

Additional Information
 Jupiter MOID = 2.02997 au 
 T_jup = 3.182 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.185366143739131E-14 -6.847646602276191E-14 -1.488469582583515E-11 -3.670015431437907E-14 -2.64417629832722E-12 -1.789459018155937E-14
q -6.847646602276191E-14 2.169373260919025E-13 5.040634955801451E-11 1.161430270921313E-13 8.786811185078142E-12 5.227815505393812E-14
tp -1.488469582583515E-11 5.040634955801451E-11 8.121460882984493E-8 2.754476601545376E-11 1.508363615676276E-8 1.454066667497504E-11
node -3.670015431437907E-14 1.161430270921313E-13 2.754476601545376E-11 1.888879368193339E-9 -1.851276883213031E-9 -3.332434020141542E-10
peri -2.64417629832722E-12 8.786811185078142E-12 1.508363615676276E-8 -1.851276883213031E-9 4.691298431187558E-9 3.303126812058253E-10
i -1.789459018155937E-14 5.227815505393812E-14 1.454066667497504E-11 -3.332434020141542E-10 3.303126812058253E-10 3.546786805506877E-10

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.1   n/a MPO472041  

393820 (2005 SP27)          Discovered 2005-Sep-23 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-05-15
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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