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523911 (1997 SN15)
Classification: Main-belt Asteroid          SPK-ID: 2523911
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3052056631824389 1.9659e-07  
a 2.59812201835932 1.627e-08 au
q 1.805160464717067 5.0562e-07 au
i 6.681722057503336 1.5899e-05 deg
node 216.8282589377891 5.2035e-05 deg
peri 182.3974762047067 7.3448e-05 deg
M 138.1983314757878 2.7727e-05 deg
tp 2458413.297303917505
(2018-Oct-21.79730392)
0.00011755 TDB
period 1529.63475269406
4.19
1.4368e-05
3.934e-08
d
yr
n .2353503013487057 2.2107e-09 deg/d
Q 3.391083572001573 2.1236e-08 au
  Orbit Determination Parameters
   # obs. used (total)      173  
   data-arc span      7805 days (21.37 yr)  
   first obs. used      1997-09-27  
   last obs. used      2019-02-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62821  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 10:46:52  

Additional Information
 Earth MOID = .813054 au 
 Jupiter MOID = 2.03568 au 
 T_jup = 3.339 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458004.5 (2017-Sep-08.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3048970846230383 1.9663e-07  
q 1.80626510220981 5.0544e-07 au
tp 2458413.483712711848
(2018-Oct-21.98371271)
0.00011788 TDB
node 216.838641679231 5.2031e-05 deg
peri 182.4798821240788 7.3504e-05 deg
i 6.681335946746207 1.5898e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      173  
   data-arc span      7805 days (21.37 yr)  
   first obs. used      1997-09-27  
   last obs. used      2019-02-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62821  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 10:46:52  

Additional Information
 Jupiter MOID = 2.03568 au 
 T_jup = 3.339 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.866402248373282E-14 -9.936610005976417E-14 2.377349883933416E-12 -4.281420901915509E-13 5.758740436839889E-13 -4.499745491922777E-13
q -9.936610005976417E-14 2.554703327884678E-13 -6.177592060750733E-12 1.103952665595433E-12 -1.526504576490911E-12 1.157789013828542E-12
tp 2.377349883933416E-12 -6.177592060750733E-12 1.38962101107505E-8 1.183486159710611E-10 6.133631502852327E-9 -6.377592652605823E-11
node -4.281420901915509E-13 1.103952665595433E-12 1.183486159710611E-10 2.707190996171283E-9 -2.621369060785958E-9 2.956496753559585E-10
peri 5.758740436839889E-13 -1.526504576490911E-12 6.133631502852327E-9 -2.621369060785958E-9 5.402780871321461E-9 -3.121863904459495E-10
i -4.499745491922777E-13 1.157789013828542E-12 -6.377592652605823E-11 2.956496753559585E-10 -3.121863904459495E-10 2.527549127953317E-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 17.5   n/a MPO461131  

523911 (1997 SN15)          Discovered 1997-Sep-27 by ODAS at Caussols
Reference: Last Updated: 2019-05-29
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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