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29186 Lake Tekapo (1990 UD2)
Classification: Main-belt Asteroid          SPK-ID: 2029186
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05410542566848228 3.9616e-08  
a 2.409552422119549 7.821e-09 au
q 2.279182562650248 9.6653e-08 au
i 7.287524966901553 4.0506e-06 deg
node 52.29583072207409 2.9671e-05 deg
peri 99.23568418144389 4.8291e-05 deg
M 272.3704708021098 3.7858e-05 deg
tp 2459533.045421894903
(2021-Nov-14.54542190)
0.00014394 TDB
period 1366.164499318656
3.74
6.6515e-06
1.821e-08
d
yr
n .2635114586710035 1.283e-09 deg/d
Q 2.539922281588849 8.2442e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1779  
   data-arc span      24565 days (67.26 yr)  
   first obs. used      1953-12-07  
   last obs. used      2021-03-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47996  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 06:07:51  

Additional Information
 Earth MOID = 1.30187 au 
 Jupiter MOID = 2.45187 au 
 T_jup = 3.507 
[ 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 14.38   n/a MPCxxxxx  
diameter diameter 2.634 km 0.719 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 45.1306 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:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.843   0.217 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

29186 Lake Tekapo           Discovered 1990 Oct. 26 by T. Seki at Geisei.
Lake Tekapo, located near the Southern Alps on New Zealand's South Island, is known for its breath-taking scenery. It is home to Canterbury University's Mt John Observatory and is a major centre for astro-tourism.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20110715/MPCPages.arcLast Updated: 2011-07-20

[ show close-approach data ]
Alternate Designations
 1990 UD2 = 1999 BS20 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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