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152387 (2005 UD226)
Classification: Main-belt Asteroid          SPK-ID: 2152387
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08676798432266708 6.5753e-08  
a 3.01515130674651 2.7196e-08 au
q 2.75353270543226 2.1291e-07 au
i 1.7806819953707 6.3368e-06 deg
node 202.846267513852 0.00014475 deg
peri 126.8508149422569 0.00015435 deg
M 26.17886712157278 4.6157e-05 deg
tp 2459061.437369214939
(2020-Jul-30.93736921)
0.00024619 TDB
period 1912.326719492301
5.24
2.5873e-05
7.084e-08
d
yr
n .1882523505688272 2.547e-09 deg/d
Q 3.27676990806076 2.9556e-08 au
  Orbit Determination Parameters
   # obs. used (total)      323  
   data-arc span      9556 days (26.16 yr)  
   first obs. used      1994-10-08  
   last obs. used      2020-12-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5941  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 19:26:55  

Additional Information
 Earth MOID = 1.741 au 
 Jupiter MOID = 2.00932 au 
 T_jup = 3.242 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.9   n/a MPO436770  
rotation period rot_per 4.35 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 lower-limit; Incomplete or inconclusive result.
Published Reference List:
[Erasmus, N.; McNeill, A.; Mommert, N.; Trilling, D.E.; et al. (2019) Ap. J. Suppl. Series 242, A15.]

152387 (2005 UD226)          Discovered 2005-Oct-25 by Spacewatch at Kitt Peak
Reference: 20070303/Numbers.arcLast Updated: 2007-03-07

Alternate Designations
 2005 UD226 = 1997 EJ31 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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