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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08434936469321938 1.1854e-07  
a 3.133631672064892 5.0904e-08 au
q 2.869311831343667 3.8761e-07 au
i 10.57178499207313 1.1084e-05 deg
node 214.437023659048 3.214e-05 deg
peri 176.6147748110372 5.3208e-05 deg
M 291.4400006201725 4.7211e-05 deg
tp 2459782.367901454011
(2022-Jul-21.86790145)
0.00027223 TDB
period 2026.144191656982
5.55
4.937e-05
1.352e-07
d
yr
n .1776773842070893 4.3294e-09 deg/d
Q 3.397951512786117 5.5197e-08 au
  Orbit Determination Parameters
   # obs. used (total)      131  
   data-arc span      5444 days (14.90 yr)  
   first obs. used      2005-09-23  
   last obs. used      2020-08-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56817  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 11:35:31  

Additional Information
 Earth MOID = 1.87442 au 
 Jupiter MOID = 2.03129 au 
 T_jup = 3.181 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457946.5 (2017-Jul-12.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08601267114815893 1.1856e-07  
q 2.85904491655674 3.8667e-07 au
tp 2457770.692639072010
(2017-Jan-17.19263907)
0.00023717 TDB
node 214.5872912326212 3.2098e-05 deg
peri 178.2660740872976 5.2542e-05 deg
i 10.58302581701036 1.1098e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      131  
   data-arc span      5444 days (14.90 yr)  
   first obs. used      2005-09-23  
   last obs. used      2020-08-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56817  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 11:35:31  

Additional Information
 Jupiter MOID = 2.03129 au 
 T_jup = 3.181 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.405607517678258E-14 -4.554390495361636E-14 -5.409936031026061E-13 -6.724411503385986E-14 4.230439671109556E-13 2.086091445933782E-14
q -4.554390495361636E-14 1.495162438806144E-13 8.148685071246107E-12 2.066296883804885E-13 -2.515029667844115E-13 -6.32880168069883E-14
tp -5.409936031026061E-13 8.148685071246107E-12 5.624855656148351E-8 -4.568981125090718E-11 9.841447600609115E-9 2.530151185937249E-11
node -6.724411503385986E-14 2.066296883804885E-13 -4.568981125090718E-11 1.03026583684452E-9 -1.022519720857067E-9 1.056482262331107E-10
peri 4.230439671109556E-13 -2.515029667844115E-13 9.841447600609115E-9 -1.022519720857067E-9 2.76071225149074E-9 -9.896505974856624E-11
i 2.086091445933782E-14 -6.32880168069883E-14 2.530151185937249E-11 1.056482262331107E-10 -9.896505974856624E-11 1.231748447412801E-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 16.24   n/a E2021B25  

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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