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136834 (1997 UD1)
Classification: Main-belt Asteroid          SPK-ID: 2136834
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09372615826262426 4.9963e-08  
a 2.596378220978802 1.5709e-08 au
q 2.353029664929712 1.2833e-07 au
i 8.538030171168218 4.6987e-06 deg
node 269.4647659077888 3.6223e-05 deg
peri 149.0644115828397 4.4688e-05 deg
M 123.8739610935465 2.5767e-05 deg
tp 2458474.691154839678
(2018-Dec-22.19115484)
0.00010894 TDB
period 1528.095029711432
4.18
1.3868e-05
3.797e-08
d
yr
n .2355874425348946 2.138e-09 deg/d
Q 2.839726777027892 1.7181e-08 au
  Orbit Determination Parameters
   # obs. used (total)      539  
   data-arc span      8251 days (22.59 yr)  
   first obs. used      1997-10-21  
   last obs. used      2020-05-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59239  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 15:49:36  

Additional Information
 Earth MOID = 1.37048 au 
 Jupiter MOID = 2.43607 au 
 T_jup = 3.395 
[ 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 15.7   n/a MPC47717  

136834 (1997 UD1)          Discovered 1997-Oct-21 by Pravec, P. at Ondrejov
Reference: 20061205/Numbers.arcLast Updated: 2006-12-13

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Alternate Designations
 1997 UD1 = 2001 UO21 = 2003 BY24 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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