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233929 (2009 UN83)
Classification: Main-belt Asteroid          SPK-ID: 2233929
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2091236827482944 8.4553e-08  
a 2.317380279688062 1.3653e-08 au
q 1.832761181271422 1.9752e-07 au
i 1.908713955049862 7.6177e-06 deg
node 189.0009572849966 0.0001813 deg
peri 205.2850607933366 0.00018205 deg
M 9.106021407102803 1.2461e-05 deg
tp 2458967.907283922920
(2020-Apr-28.40728392)
4.4574e-05 TDB
period 1288.529563371842
3.53
1.1387e-05
3.118e-08
d
yr
n .2793882346462792 2.469e-09 deg/d
Q 2.801999378104702 1.6508e-08 au
  Orbit Determination Parameters
   # obs. used (total)      413  
   data-arc span      5617 days (15.38 yr)  
   first obs. used      2002-11-28  
   last obs. used      2018-04-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47336  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 02:13:58  

Additional Information
 Earth MOID = .839424 au 
 Jupiter MOID = 2.62897 au 
 T_jup = 3.550 
[ 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 18.0   n/a MPO396715  
rotation period rot_per 4.85 h n/a LCDB (Rev. 2019-August); 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.K.; Ip, W.-H.; Lin, H.-W.; Cheng, Y.C.; et al. (2015) Astrophys. J. Supp. Ser. 219, A27.]

233929 (2009 UN83)          Discovered 2009-Oct-23 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20100228/Numbers.arcLast Updated: 2010-03-03

[ show close-approach data ]
Alternate Designations
 2009 UN83 = 2005 NS18 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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