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135336 (2001 TW12)
Classification: Main-belt Asteroid          SPK-ID: 2135336
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .173729551832921 7.8185e-08  
a 3.157340810335643 3.2326e-08 au
q 2.60881740637224 2.5836e-07 au
i 27.7876713696382 8.8699e-06 deg
node 330.078305800804 9.4532e-06 deg
peri 352.8139976625009 1.6075e-05 deg
M 212.9500621920064 1.3994e-05 deg
tp 2460037.533743149619
(2023-Apr-03.03374315)
8.464e-05 TDB
period 2049.182420786324
5.61
3.1471e-05
8.616e-08
d
yr
n .1756798205705174 2.698e-09 deg/d
Q 3.705864214299045 3.7942e-08 au
  Orbit Determination Parameters
   # obs. used (total)      534  
   data-arc span      8500 days (23.27 yr)  
   first obs. used      1998-01-07  
   last obs. used      2021-04-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50552  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 09:21:10  

Additional Information
 Earth MOID = 1.59685 au 
 Jupiter MOID = 1.67128 au 
 T_jup = 3.005 
[ 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 14.50   n/a E2021B55  
diameter diameter 8.580 km 0.259 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.046   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

135336 (2001 TW12)          Discovered 2001-Oct-11 by LINEAR at Socorro
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10

[ show close-approach data ]
Alternate Designations
 2001 TW12 = 2000 SF12 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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