Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
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 ]

[ hide orbit diagram ]

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.


[ revert to old Java-based viewer ]

Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05410317983348129 4.9457e-08  
a 2.409213662034571 9.2846e-09 au
q 2.278867542020235 1.1741e-07 au
i 7.287951504595018 4.0822e-06 deg
node 52.29473672264833 4.0235e-05 deg
peri 99.40480686289115 5.6011e-05 deg
M 219.4854975469229 3.8291e-05 deg
tp 2459533.626231797262
(2021-Nov-15.12623180)
0.00014546 TDB
period 1365.876404900664
3.74
7.8957e-06
2.162e-08
d
yr
n .2635670392345505 1.5236e-09 deg/d
Q 2.539559782048908 9.7869e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1410  
   data-arc span      24038 days (65.81 yr)  
   first obs. used      1953-12-07  
   last obs. used      2019-09-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50056  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 05:10:31  

Additional Information
 Earth MOID = 1.30174 au 
 Jupiter MOID = 2.45303 au 
 T_jup = 3.508 
[ 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 14.3   n/a MPO279820  
diameter diameter 2.634 km 0.719 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Apr-07 05:24 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin