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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09377713875039234 4.9971e-08  
a 2.596100597836792 1.5611e-08 au
q 2.352645711863475 1.2836e-07 au
i 8.53815685958596 4.6954e-06 deg
node 269.4627985595671 3.6172e-05 deg
peri 148.9826683315215 4.4612e-05 deg
M 171.090031083154 2.5737e-05 deg
tp 2458474.389182123130
(2018-Dec-21.88918212)
0.00010857 TDB
period 1527.849944153826
4.18
1.3781e-05
3.773e-08
d
yr
n .2356252336019687 2.1254e-09 deg/d
Q 2.839555483810109 1.7075e-08 au
  Orbit Determination Parameters
   # obs. used (total)      543  
   data-arc span      8251 days (22.59 yr)  
   first obs. used      1997-10-21  
   last obs. used      2020-05-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59404  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 18:19:08  

Additional Information
 Earth MOID = 1.36946 au 
 Jupiter MOID = 2.43673 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 15.81   n/a E2021B55  

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

[ show close-approach data ]
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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