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46995 (1998 TO28)
Classification: Main-belt Asteroid          SPK-ID: 2046995
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .242911214724591 5.233e-08  
a 2.553729180930963 1.052e-08 au
q 1.933399723513388 1.3694e-07 au
i 10.35042594221359 4.9048e-06 deg
node 27.9222972050353 2.4649e-05 deg
peri 277.8698865753463 2.6844e-05 deg
M 70.94606843448098 9.1185e-06 deg
tp 2458306.744153974961
(2018-Jul-07.24415398)
3.8153e-05 TDB
period 1490.598519446874
4.08
9.2103e-06
2.522e-08
d
yr
n .2415137243887694 1.4923e-09 deg/d
Q 3.174058638348538 1.3075e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1647  
   data-arc span      9368 days (25.65 yr)  
   first obs. used      1993-04-26  
   last obs. used      2018-12-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47585  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 02:40:13  

Additional Information
 Earth MOID = .951231 au 
 Jupiter MOID = 2.20305 au 
 T_jup = 3.375 
[ 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 14.7   n/a MPO309517  
diameter diameter 2.954 km 0.108 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.243   0.023 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46995 (1998 TO28)          Discovered 1998-Oct-15 by Spacewatch at Kitt Peak
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 TO28 = 2001 FT71 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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