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135361 (2001 TW118)
Classification: Main-belt Asteroid          SPK-ID: 2135361
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 .2075947909380503 3.6106e-08  
a 3.132065178155888 2.1534e-08 au
q 2.481864762292269 1.1515e-07 au
i 14.20796622548232 7.4959e-06 deg
node 313.9320109279878 1.7267e-05 deg
peri 92.66063801387328 2.4582e-05 deg
M 148.1023509874852 1.8077e-05 deg
tp 2458367.578513750093
(2018-Sep-06.07851375)
9.8075e-05 TDB
period 2024.625085629494
5.54
2.088e-05
5.717e-08
d
yr
n .1778106981659121 1.8338e-09 deg/d
Q 3.782265594019506 2.6005e-08 au
  Orbit Determination Parameters
   # obs. used (total)      919  
   data-arc span      8540 days (23.38 yr)  
   first obs. used      1997-01-04  
   last obs. used      2020-05-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55294  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 18:12:39  

Additional Information
 Earth MOID = 1.54037 au 
 Jupiter MOID = 1.87026 au 
 T_jup = 3.133 
[ 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 14.05   n/a MPCxxxxx  
diameter diameter 9.790 km 0.186 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 5.540 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Chang, C.K.; Ip, W.-H.; Lin, H.-W.; Cheng, Y.C.; et al. (2015) Astrophys. J. Supp. Ser. 219, A27.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.061   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

135361 (2001 TW118)          Discovered 2001-Oct-15 by LINEAR at Socorro
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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