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129695 (1998 SY46)
Classification: Main-belt Asteroid          SPK-ID: 2129695
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1536067201833989 3.8522e-08  
a 2.192042527170274 1.0712e-08 au
q 1.855330064069119 8.5762e-08 au
i .3103938509229621 6.6578e-06 deg
node 160.7707279230335 0.00072632 deg
peri 259.9718558649316 0.00072671 deg
M 215.9855768161135 2.5657e-05 deg
tp 2459474.715099947721
(2021-Sep-17.21509995)
8.6565e-05 TDB
period 1185.419017116063
3.25
8.6894e-06
2.379e-08
d
yr
n .3036900832549685 2.2261e-09 deg/d
Q 2.528754990271429 1.2358e-08 au
  Orbit Determination Parameters
   # obs. used (total)      280  
   data-arc span      9511 days (26.04 yr)  
   first obs. used      1993-02-23  
   last obs. used      2019-03-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62657  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 13:29:14  

Additional Information
 Earth MOID = .868059 au 
 Jupiter MOID = 2.77231 au 
 T_jup = 3.656 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.4   n/a MPO417676  

129695 (1998 SY46)          Discovered 1998-Sep-25 by Spacewatch at Kitt Peak
Reference: 20060711/Numbers.arcLast Updated: 2006-07-17

Alternate Designations
 1998 SY46 = 2006 DL45 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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