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58611 (1997 UC4)
Classification: Main-belt Asteroid          SPK-ID: 2058611
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04954527116748502 3.4425e-08  
a 2.259773152684917 8.1045e-09 au
q 2.14781207905814 7.7525e-08 au
i 3.945747644671146 4.0792e-06 deg
node 195.374302320388 4.534e-05 deg
peri 224.6374671791206 5.9594e-05 deg
M 170.1503409912814 4.0464e-05 deg
tp 2458414.056716208142
(2018-Oct-22.55671621)
0.00013822 TDB
period 1240.782598113552
3.40
6.675e-06
1.828e-08
d
yr
n .2901394656463855 1.5608e-09 deg/d
Q 2.371734226311693 8.506e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1244  
   data-arc span      8886 days (24.33 yr)  
   first obs. used      1996-03-17  
   last obs. used      2020-07-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52777  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 22:50:26  

Additional Information
 Earth MOID = 1.16147 au 
 Jupiter MOID = 2.76018 au 
 T_jup = 3.616 
[ 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 15.53   n/a E2021B10  
rotation period rot_per 21.4542 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:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]

58611 (1997 UC4)          Discovered 1997-Oct-17 by BAO Schmidt CCD Asteroid Program at Xinglong
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1997 UC4 = 1999 AH34 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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