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JPL Small-Body Database Browser
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26308 (1998 SM165)
Classification: TransNeptunian Object          SPK-ID: 2026308
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3724207689697048 1.3373e-05  
a 47.55017848112512 0.0016945 au
q 29.84150444653779 0.00051128 au
i 13.50485642980402 5.3596e-05 deg
node 183.1497781701758 0.00014209 deg
peri 130.4049329007345 0.0028642 deg
M 48.94702946836691 0.0035845 deg
tp 2442316.897456965587
(1974-Sep-26.39745697)
0.32367 TDB
period 119764.099663717
327.90
6.4019
0.01753
d
yr
n .003005909124778094 1.6068e-07 deg/d
Q 65.25885251571245 0.0023256 au
  Orbit Determination Parameters
   # obs. used (total)      199  
   data-arc span      11784 days (32.26 yr)  
   first obs. used      1982-10-12  
   last obs. used      2015-01-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      2  
   norm. resid. RMS      .60481  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-05 23:02:37  

Additional Information
 Earth MOID = 28.8436 au 
 Jupiter MOID = 24.8801 au 
 T_jup = 5.565 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 5.7   n/a MPO384974  

26308 (1998 SM165)          Discovered 1998-Sep-16 by Danzl, N. at Steward
Reference: 20010705/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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