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115278 (2003 SN186)
Classification: Main-belt Asteroid          SPK-ID: 2115278
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07765466224022087 4.3621e-08  
a 2.703195543744165 1.7905e-08 au
q 2.493279806825441 1.2223e-07 au
i 1.833143360216819 4.5197e-06 deg
node 155.430730103756 0.00015518 deg
peri 204.0019576562482 0.0001582 deg
M 309.3221199522824 3.2419e-05 deg
tp 2459429.023338247876
(2021-Aug-02.52333825)
0.0001469 TDB
period 1623.359179424485
4.44
1.6129e-05
4.416e-08
d
yr
n .2217623829420348 2.2033e-09 deg/d
Q 2.913111280662888 1.9296e-08 au
  Orbit Determination Parameters
   # obs. used (total)      473  
   data-arc span      9527 days (26.08 yr)  
   first obs. used      1994-08-10  
   last obs. used      2020-09-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55292  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:42:49  

Additional Information
 Earth MOID = 1.48788 au 
 Jupiter MOID = 2.43843 au 
 T_jup = 3.361 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457255.5 (2015-Aug-21.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07778381511398458 4.3659e-08  
q 2.490379758096078 1.2205e-07 au
tp 2457814.022183458618
(2017-Mar-01.52218346)
0.00014241 TDB
node 155.4965695609018 0.0001554 deg
peri 205.495884073678 0.00015842 deg
i 1.832049426701407 4.5183e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      473  
   data-arc span      9527 days (26.08 yr)  
   first obs. used      1994-08-10  
   last obs. used      2020-09-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55292  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:42:49  

Additional Information
 Jupiter MOID = 2.43843 au 
 T_jup = 3.361 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.906123957094003E-15 -5.282135347028432E-15 7.641150788801362E-13 -6.040143286302011E-15 1.844161832564468E-13 -2.976598046196131E-17
q -5.282135347028432E-15 1.489587783897013E-14 -1.598428801469922E-12 2.038819199597457E-14 -4.233807433425354E-13 2.176659891812728E-16
tp 7.641150788801362E-13 -1.598428801469922E-12 2.027924993927001E-8 -1.337136799271387E-12 4.406242605353041E-9 -7.008279122108095E-13
node -6.040143286302011E-15 2.038819199597457E-14 -1.337136799271387E-12 2.415054311621711E-8 -2.413820550893308E-8 7.552721179840183E-11
peri 1.844161832564468E-13 -4.233807433425354E-13 4.406242605353041E-9 -2.413820550893308E-8 2.509613745794756E-8 -7.566067790023662E-11
i -2.976598046196131E-17 2.176659891812728E-16 -7.008279122108095E-13 7.552721179840183E-11 -7.566067790023662E-11 2.04149873004918E-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 16.01   n/a E2021B55  

115278 (2003 SN186)          Discovered 2003-Sep-22 by LONEOS at Anderson Mesa
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2003 SN186 = 1994 PT39 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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