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JPL Small-Body Database Browser
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24835 (1995 SM55)
Classification: TransNeptunian Object          SPK-ID: 2024835
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1002826569280608 2.959e-05  
a 41.59549061527022 0.0027139 au
q 37.4241843001447 0.0012655 au
i 27.07078429406894 5.423e-05 deg
node 21.06716402384168 5.7221e-05 deg
peri 71.82027945565308 0.02184 deg
M 332.2444576657207 0.019856 deg
tp 2466155.161686909692
(2040-Jan-01.66168691)
4.6719 TDB
period 97986.85158201965
268.27
9.5896
0.02625
d
yr
n .003673962314205625 3.5956e-07 deg/d
Q 45.76679693039574 0.002986 au
  Orbit Determination Parameters
   # obs. used (total)      178  
   data-arc span      13146 days (35.99 yr)  
   first obs. used      1982-09-16  
   last obs. used      2018-09-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      3  
   norm. resid. RMS      .51526  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 00:39:47  

Additional Information
 Earth MOID = 36.5392 au 
 Jupiter MOID = 32.8627 au 
 T_jup = 5.135 
[ 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 4.6   n/a MPO384963  
rotation period rot_per 8.08 h n/a LCDB (Rev. 2019-January); 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:
[Sheppard, S.S.; Jewitt, D.C. (2003) Earth, Moon, and Planets 92, 207-219.]
[Thirouin, A.; Sheppard, S.S.; Noll, K.S.; Moskovitz, N.A.; et al. (2016) Astron. J. 151, A148.]

24835 (1995 SM55)          Discovered 1995-Sep-19 by Danzl, N. at Steward
Reference: 20010606/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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