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134873 (2000 QR89)
Classification: Outer Main-belt Asteroid          SPK-ID: 2134873
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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .135489701228361 3.745e-08  
a 3.213512200981083 2.2673e-08 au
q 2.778114392976463 1.2167e-07 au
i 15.40371418611152 5.7159e-06 deg
node 330.9288840611027 1.529e-05 deg
peri 68.39818747794516 2.6204e-05 deg
M 141.6924617308356 2.1131e-05 deg
tp 2458372.343144052532
(2018-Sep-10.84314405)
0.0001207 TDB
period 2104.109594111223
5.76
2.2268e-05
6.097e-08
d
yr
n .1710937495877272 1.8107e-09 deg/d
Q 3.648910008985702 2.5744e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1249  
   data-arc span      7520 days (20.59 yr)  
   first obs. used      2000-08-03  
   last obs. used      2021-03-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51065  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 18:10:28  

Additional Information
 Earth MOID = 1.82691 au 
 Jupiter MOID = 1.95563 au 
 T_jup = 3.121 
[ 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 13.58   n/a E2021B55  
diameter diameter 12.057 km 0.314 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 8.889 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 0.064   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

134873 (2000 QR89)          Discovered 2000-Aug-25 by LINEAR at Socorro
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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