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1135 Colchis (1929 TA)
Classification: Main-belt Asteroid          SPK-ID: 2001135
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 43 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1150737737378533 3.5384e-08  
a 2.667067495093154 7.7158e-09 au
q 2.360157973619221 9.6242e-08 au
i 4.540162656326638 3.8734e-06 deg
node 350.6320931659282 4.011e-05 deg
peri 3.11488566103182 4.2557e-05 deg
M 314.9597531933827 1.4017e-05 deg
tp 2459199.543361443954
(2020-Dec-16.04336144)
6.2043e-05 TDB
period 1590.924011306613
4.36
6.9037e-06
1.89e-08
d
yr
n .2262835920769936 9.8195e-10 deg/d
Q 2.973977016567087 8.6036e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3239  
   data-arc span      33285 days (91.13 yr)  
   first obs. used      1929-09-29  
   last obs. used      2020-11-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42372  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 01:58:33  

Additional Information
 Earth MOID = 1.35496 au 
 Jupiter MOID = 2.4431 au 
 T_jup = 3.369 
[ 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 10.6   n/a MPO492763  
diameter diameter 50.592 km 0.953 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 23.47 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:
[Stephens, R.D.; Malcolm, G. (2001) Minor Planet Bull. 28, 61.]
[Chang, C.K.; Ip, W.-H.; Lin, H.-W.; Cheng, Y.C.; et al. (2015) Astrophys. J. Supp. Ser. 219, A27.]
[Behrend, R. (2016) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Durech, J.; Hanus, J.; Oszkiewsicz, D.; Vanco, R. (2016) Astron. Astrophys. 587, A48.]
[Hanus, J.; Durech, J.; Oszkiewicz, D.A.; Behrend, R.; et al. (2016) Astron. Astrophys. 586, A108.]
geometric albedo albedo 0.057   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
SMASSII spectral type spec_B Xk   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

1135 Colchis (1929 TA)          Discovered 1929-Oct-03 by Neujmin, G. at Simeis
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1929 TA = 1936 FJ1 = 1940 EP = 1954 LL = 1958 FO = A911 MJ = A916 UH 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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