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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .117181738032712 1.4369e-08  
a 2.761894495673695 1.0856e-08 au
q 2.438250898407671 4.0182e-08 au
i 9.396911807005845 3.4462e-07 deg
node 40.29032624261595 2.9886e-06 deg
peri 64.30671157925229 1.0304e-05 deg
M 43.8654854460386 9.6717e-06 deg
tp 2458996.218286135027
(2020-May-26.71828613)
4.4993e-05 TDB
period 1676.521215794085
4.59
9.885e-06
2.706e-08
d
yr
n .2147303574858048 1.2661e-09 deg/d
Q 3.08553809293972 1.2128e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2039  
   data-arc span      14028 days (38.41 yr)  
   first obs. used      1982-10-20  
   last obs. used      2021-03-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46827  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:32:49  

Additional Information
 Earth MOID = 1.47213 au 
 Jupiter MOID = 2.11057 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 13.48   n/a E2021B10  
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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