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JPL Small-Body Database Browser
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215330 (2001 UD61)
Classification: Main-belt Asteroid          SPK-ID: 2215330
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09299159573661918 9.1525e-08  
a 2.936229005029184 3.0049e-08 au
q 2.663184384403375 2.7327e-07 au
i 5.553974656942707 8.854e-06 deg
node 211.780203120742 6.5406e-05 deg
peri 177.3516956484348 7.504e-05 deg
M 249.4333855282383 3.7799e-05 deg
tp 2459564.923158302245
(2021-Dec-16.42315830)
0.0001972 TDB
period 1837.736806535781
5.03
2.8211e-05
7.724e-08
d
yr
n .1958931217569815 3.0071e-09 deg/d
Q 3.209273625654994 3.2843e-08 au
  Orbit Determination Parameters
   # obs. used (total)      156  
   data-arc span      8187 days (22.41 yr)  
   first obs. used      1996-11-08  
   last obs. used      2019-04-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55794  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 03:22:02  

Additional Information
 Earth MOID = 1.66818 au 
 Jupiter MOID = 2.21227 au 
 T_jup = 3.261 
[ 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 16.3   n/a MPO433408  

215330 (2001 UD61)          Discovered 2001-Oct-17 by LINEAR at Socorro
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08

[ show close-approach data ]
Alternate Designations
 2001 UD61 = 1998 BF46 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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