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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07850098399212053 4.5412e-08  
a 2.599626296917931 1.6548e-08 au
q 2.395553074598081 1.1839e-07 au
i 4.178792755474583 5.1041e-06 deg
node 238.5192878615171 5.6023e-05 deg
peri 185.2598930131339 6.2634e-05 deg
M 28.40778279958919 2.629e-05 deg
tp 2458879.690900510029
(2020-Jan-31.19090051)
0.0001119 TDB
period 1530.963402642555
4.19
1.4618e-05
4.002e-08
d
yr
n .2351460520732329 2.2452e-09 deg/d
Q 2.803699519237781 1.7847e-08 au
  Orbit Determination Parameters
   # obs. used (total)      583  
   data-arc span      7843 days (21.47 yr)  
   first obs. used      1998-10-13  
   last obs. used      2020-04-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50852  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:01:09  

Additional Information
 Earth MOID = 1.40873 au 
 Jupiter MOID = 2.42947 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 15.8   n/a MPO453466  
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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