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JPL Small-Body Database Browser
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35671 (1998 SN165)
Classification: TransNeptunian Object          SPK-ID: 2035671
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04046480619402884 5.8351e-06  
a 37.93097770977937 0.00099508 au
q 36.39610804800312 0.00088419 au
i 4.606034806596639 5.6904e-05 deg
node 192.0922735199893 8.5195e-05 deg
peri 261.6630279516362 0.027886 deg
M 296.1419238751965 0.027233 deg
tp 2474136.210492941460
(2061-Nov-07.71049294)
5.8595 TDB
period 85327.59062157996
233.61
3.3577
0.009193
d
yr
n .004219033930028177 1.6602e-07 deg/d
Q 39.46584737155563 0.0010353 au
  Orbit Determination Parameters
   # obs. used (total)      256  
   data-arc span      7796 days (21.34 yr)  
   first obs. used      1998-09-15  
   last obs. used      2020-01-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      2  
   norm. resid. RMS      .48905  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 03:54:23  

Additional Information
 Earth MOID = 35.416 au 
 Jupiter MOID = 31.2323 au 
 T_jup = 5.515 
[ 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 5.5   n/a MPO417058  
rotation period rot_per 8.84 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Lacerda, P.; Luu, J. (2006) Astron. J. 131, 2314-2326.]

35671 (1998 SN165)          Discovered 1998-Sep-23 by Gleason, A. at Steward
Reference: 20020227/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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