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385706 (2005 UB30)
Classification: Main-belt Asteroid          SPK-ID: 2385706
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1856138003237832 8.972e-08  
a 2.39032557296099 1.1806e-08 au
q 1.946648159352577 2.1431e-07 au
i 2.261368914811583 8.9968e-06 deg
node 59.18180304840953 0.00013087 deg
peri 325.295822159266 0.00013194 deg
M 49.97741664939749 1.4098e-05 deg
tp 2459013.106157551155
(2020-Jun-12.60615755)
5.2451e-05 TDB
period 1349.845346245953
3.70
1e-05
2.738e-08
d
yr
n .2666972190563859 1.9758e-09 deg/d
Q 2.834002986569405 1.3997e-08 au
  Orbit Determination Parameters
   # obs. used (total)      266  
   data-arc span      7076 days (19.37 yr)  
   first obs. used      2001-08-21  
   last obs. used      2021-01-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51076  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 11:06:20  

Additional Information
 Earth MOID = .949705 au 
 Jupiter MOID = 2.61929 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 17.61   n/a MPCxxxxx  
rotation period rot_per 3.13 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Chang, C.-H.; Lin, H.-W.; Ip, W.-H.; Chen, W.-P.; et al. (2019) Ap. J. Supp. Ser. 241, A6.]

385706 (2005 UB30)          Discovered 2005-Oct-23 by CSS at Catalina
Reference: Last Updated: 2014-02-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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