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JPL Small-Body Database Browser
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71777 (2000 SM128)
Classification: Main-belt Asteroid          SPK-ID: 2071777
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0960708099662749 3.6462e-08  
a 2.288419033724366 8.5344e-09 au
q 2.068568763612226 8.4139e-08 au
i 5.85719893364134 4.0905e-06 deg
node 149.7808884034499 4.0121e-05 deg
peri 17.90816980282287 4.5857e-05 deg
M 359.6396940062626 2.1556e-05 deg
tp 2458601.765525031733
(2019-Apr-28.26552503)
7.5711e-05 TDB
period 1264.450270998963
3.46
7.0735e-06
1.937e-08
d
yr
n .284708705638211 1.5927e-09 deg/d
Q 2.508269303836506 9.3543e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1090  
   data-arc span      9332 days (25.55 yr)  
   first obs. used      1993-10-09  
   last obs. used      2019-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51544  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 08:12:03  

Additional Information
 Earth MOID = 1.07689 au 
 Jupiter MOID = 2.46135 au 
 T_jup = 3.587 
[ show covariance matrix ]

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 15.6   n/a MPO432270  
diameter diameter 2.520 km 0.282 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.231   0.025 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

71777 (2000 SM128)          Discovered 2000-Sep-24 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2000 SM128 = 1993 TQ33 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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