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JPL Small-Body Database Browser
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91493 (1999 RE134)
Classification: Main-belt Asteroid          SPK-ID: 2091493
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09792099084881177 4.0538e-08  
a 2.627653717563608 1.8352e-08 au
q 2.370351261932215 1.0655e-07 au
i 13.53524779307185 6.1642e-06 deg
node 316.4852568256001 1.8953e-05 deg
peri 113.16286389848 4.2931e-05 deg
M 234.8177697730175 3.5699e-05 deg
tp 2459541.491956666853
(2021-Nov-22.99195667)
0.00015464 TDB
period 1555.788741316801
4.26
1.6299e-05
4.462e-08
d
yr
n .2313938842977487 2.4241e-09 deg/d
Q 2.884956173195 2.0149e-08 au
  Orbit Determination Parameters
   # obs. used (total)      969  
   data-arc span      7180 days (19.66 yr)  
   first obs. used      1999-09-08  
   last obs. used      2019-05-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4441  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 06:04:03  

Additional Information
 Earth MOID = 1.42159 au 
 Jupiter MOID = 2.34401 au 
 T_jup = 3.355 
[ 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 14.4   n/a MPO385379  
diameter diameter 4.107 km 0.823 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 15.883 h n/a LCDB (Rev. 2019-August); 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:
[Chang, C.K.; Ip, W.-H.; Lin, H.-W.; Cheng, Y.C.; et al. (2015) Astrophys. J. Supp. Ser. 219, A27.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.199   0.074 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

91493 (1999 RE134)          Discovered 1999-Sep-09 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Alternate Designations
 1999 RE134 = 2001 AV35 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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