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115175 (2003 SG87)
Classification: Main-belt Asteroid          SPK-ID: 2115175
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ 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 .1830761254422122 4.6945e-08  
a 2.326945471247736 1.2133e-08 au
q 1.900937310256398 1.118e-07 au
i 6.659840276218993 4.851e-06 deg
node 70.65432900930352 4.5181e-05 deg
peri 322.33557355 4.7764e-05 deg
M 286.3567268487218 1.9847e-05 deg
tp 2459465.721250565676
(2021-Sep-08.22125057)
7.2974e-05 TDB
period 1296.515569147894
3.55
1.0141e-05
2.776e-08
d
yr
n .2776673173594066 2.1717e-09 deg/d
Q 2.752953632239074 1.4355e-08 au
  Orbit Determination Parameters
   # obs. used (total)      426  
   data-arc span      8686 days (23.78 yr)  
   first obs. used      1996-10-09  
   last obs. used      2020-07-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58059  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:42:22  

Additional Information
 Earth MOID = .911626 au 
 Jupiter MOID = 2.67996 au 
 T_jup = 3.542 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457124.5 (2015-Apr-12.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1825914648467716 4.6742e-08  
q 1.901825592329365 1.1102e-07 au
tp 2456874.984775686839
(2014-Aug-05.48477569)
6.0611e-05 TDB
node 70.73905737275143 4.5157e-05 deg
peri 322.54669802263 4.7772e-05 deg
i 6.661631987438324 4.8517e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      426  
   data-arc span      8686 days (23.78 yr)  
   first obs. used      1996-10-09  
   last obs. used      2020-07-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58059  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:42:22  

Additional Information
 Jupiter MOID = 2.67996 au 
 T_jup = 3.542 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.184817801135335E-15 -5.170115313630392E-15 -5.727868826520667E-13 1.974610627442844E-14 -1.711631429526198E-13 -3.913273102386433E-16
q -5.170115313630392E-15 1.232558272723359E-14 1.641238982944498E-12 -4.797826778856899E-14 4.792098810934989E-13 1.208987091982933E-15
tp -5.727868826520667E-13 1.641238982944498E-12 3.673705356675026E-9 -1.289276490847141E-11 9.748063071297614E-10 3.250345663958181E-12
node 1.974610627442844E-14 -4.797826778856899E-14 -1.289276490847141E-11 2.039181670850533E-9 -2.028105138498875E-9 -2.092876504453196E-11
peri -1.711631429526198E-13 4.792098810934989E-13 9.748063071297614E-10 -2.028105138498875E-9 2.282129982827817E-9 2.165453718383589E-11
i -3.913273102386433E-16 1.208987091982933E-15 3.250345663958181E-12 -2.092876504453196E-11 2.165453718383589E-11 2.35388345318555E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.2   n/a MPO417598  

115175 (2003 SG87)          Discovered 2003-Sep-17 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 2003 SG87 = 1996 TC66 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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