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20842 (2000 UG75)
Classification: Outer Main-belt Asteroid          SPK-ID: 2020842
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1133684175687989 3.4728e-08  
a 3.220691215401557 2.1476e-08 au
q 2.855566548833751 1.2031e-07 au
i 22.13481390468599 6.2319e-06 deg
node 209.9110550763261 8.9051e-06 deg
peri 102.7574753779995 2.8893e-05 deg
M 292.0688547007492 2.832e-05 deg
tp 2459794.871715585938
(2022-Aug-03.37171559)
0.00016698 TDB
period 2111.164429499457
5.78
2.1116e-05
5.781e-08
d
yr
n .1705220090721942 1.7056e-09 deg/d
Q 3.585815881969363 2.3911e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1231  
   data-arc span      10638 days (29.13 yr)  
   first obs. used      1992-05-02  
   last obs. used      2021-06-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50549  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 05:03:25  

Additional Information
 Earth MOID = 1.94119 au 
 Jupiter MOID = 1.81847 au 
 T_jup = 3.064 
[ 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 13.60   n/a MPO614063  
diameter diameter 9.494 km 0.246 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 3.664 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.065   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

20842 (2000 UG75)          Discovered 2000-Oct-31 by LINEAR at Socorro
Reference: 20010109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2000 UG75 = 1999 RV198 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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