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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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09792102066530969 3.7914e-08  
a 2.627653719643085 1.6014e-08 au
q 2.370351185460637 1.0067e-07 au
i 13.5352502155998 5.7398e-06 deg
node 316.4852494564117 1.6363e-05 deg
peri 113.1628779486685 3.5704e-05 deg
M 234.817764219228 3.1266e-05 deg
tp 2459541.491981310504
(2021-Nov-22.99198131)
0.00013661 TDB
period 1555.788743163636
4.26
1.4222e-05
3.894e-08
d
yr
n .2313938840230673 2.1153e-09 deg/d
Q 2.884956253825533 1.7582e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1222  
   data-arc span      7630 days (20.89 yr)  
   first obs. used      1999-09-08  
   last obs. used      2020-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41636  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 08:17:39  

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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