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101338 (1998 TM2)
Classification: Main-belt Asteroid          SPK-ID: 2101338
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07860176120940322 4.1758e-08  
a 2.599669410563257 1.5379e-08 au
q 2.395330816330774 1.0631e-07 au
i 4.178524262993217 4.585e-06 deg
node 238.5122655795976 5.5927e-05 deg
peri 185.2183302381591 6.2287e-05 deg
M 75.47144722955669 2.6079e-05 deg
tp 2458879.536394349550
(2020-Jan-31.03639435)
0.000111 TDB
period 1531.001488320615
4.19
1.3586e-05
3.72e-08
d
yr
n .2351402025055448 2.0866e-09 deg/d
Q 2.80400800479574 1.6588e-08 au
  Orbit Determination Parameters
   # obs. used (total)      637  
   data-arc span      8189 days (22.42 yr)  
   first obs. used      1998-10-13  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49918  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:36:19  

Additional Information
 Earth MOID = 1.40784 au 
 Jupiter MOID = 2.42923 au 
 T_jup = 3.407 
[ 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 15.94   n/a E2021B55  
diameter diameter 3.992 km 0.308 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.053   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

101338 (1998 TM2)          Discovered 1998-Oct-13 by ODAS at Caussols
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1998 TM2 = 2002 TH185 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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