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100344 (1995 SY51)
Classification: Main-belt Asteroid          SPK-ID: 2100344
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1759524690201552 4.1826e-08  
a 2.405309680328326 1.0937e-08 au
q 1.982089503316477 1.0469e-07 au
i 5.31558091374537 5.3672e-06 deg
node 14.06267803448013 4.8268e-05 deg
peri 264.5252555266756 5.0981e-05 deg
M 298.3091687551341 1.655e-05 deg
tp 2459233.992560079193
(2021-Jan-19.49256008)
6.2659e-05 TDB
period 1362.557772886308
3.73
9.293e-06
2.544e-08
d
yr
n .2642089804657687 1.802e-09 deg/d
Q 2.828529857340175 1.2861e-08 au
  Orbit Determination Parameters
   # obs. used (total)      515  
   data-arc span      9006 days (24.66 yr)  
   first obs. used      1995-09-26  
   last obs. used      2020-05-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .552  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:06:42  

Additional Information
 Earth MOID = .974497 au 
 Jupiter MOID = 2.32337 au 
 T_jup = 3.496 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457158.5 (2015-May-16.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1767252135837061 4.1843e-08  
q 1.980039155917256 1.0473e-07 au
tp 2456507.302143291659
(2013-Aug-02.80214329)
6.4576e-05 TDB
node 14.10374653207357 4.8297e-05 deg
peri 264.2971130005532 5.0992e-05 deg
i 5.315192491172775 5.3662e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      515  
   data-arc span      9006 days (24.66 yr)  
   first obs. used      1995-09-26  
   last obs. used      2020-05-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .552  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:06:42  

Additional Information
 Jupiter MOID = 2.32337 au 
 T_jup = 3.496 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.750802056369209E-15 -4.368995230535232E-15 1.380379526953036E-12 2.660120744697443E-15 3.613427777595015E-13 -1.914233039039435E-15
q -4.368995230535232E-15 1.096916861391582E-14 -3.471075463558336E-12 -7.141047660537393E-15 -9.002164191428872E-13 4.901205835247783E-15
tp 1.380379526953036E-12 -3.471075463558336E-12 4.170006978390155E-9 1.799086962328903E-11 1.075421020097506E-9 -4.080862559121094E-12
node 2.660120744697443E-15 -7.141047660537393E-15 1.799086962328903E-11 2.33256067001704E-9 -2.317502818165432E-9 -1.149292637423103E-10
peri 3.613427777595015E-13 -9.002164191428872E-13 1.075421020097506E-9 -2.317502818165432E-9 2.600157203669146E-9 1.134030587126015E-10
i -1.914233039039435E-15 4.901205835247783E-15 -4.080862559121094E-12 -1.149292637423103E-10 1.134030587126015E-10 2.87965519475987E-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 16.2   n/a MPO426630  

100344 (1995 SY51)          Discovered 1995-Sep-26 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1995 SY51 = 2002 NU15 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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