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20847 (2000 UW104)
Classification: Main-belt Asteroid          SPK-ID: 2020847
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1171765379444083 3.3699e-08  
a 2.762011608716752 1.2079e-08 au
q 2.438368650645057 9.6544e-08 au
i 9.396896457463935 4.213e-06 deg
node 40.29755495563393 2.2801e-05 deg
peri 64.36133973534014 3.1749e-05 deg
M .8714451950683522 1.9882e-05 deg
tp 2458996.441418652212
(2020-May-26.94141865)
9.2596e-05 TDB
period 1676.627851610375
4.59
1.0998e-05
3.011e-08
d
yr
n .2147167003424317 1.4085e-09 deg/d
Q 3.085654566788447 1.3494e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1823  
   data-arc span      13891 days (38.03 yr)  
   first obs. used      1982-10-20  
   last obs. used      2020-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47613  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:00:20  

Additional Information
 Earth MOID = 1.47245 au 
 Jupiter MOID = 2.11075 au 
 T_jup = 3.312 
[ 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 13.4   n/a MPO328927  
rotation period rot_per 7.87456 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.]

20847 (2000 UW104)          Discovered 2000-Oct-27 by LINEAR at Socorro
Reference: 20010109/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2000 UW104 = 1982 UJ5 = 1988 AE2 = 1998 FR145 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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