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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09775951562314261 3.7398e-08  
a 2.624751038539864 1.518e-08 au
q 2.368156648380866 1.0004e-07 au
i 13.54065320181993 5.6901e-06 deg
node 316.4830711819367 1.4921e-05 deg
peri 113.8474688050434 3.4537e-05 deg
M 325.8248735655978 3.1143e-05 deg
tp 2459543.947777381436
(2021-Nov-25.44777738)
0.00013479 TDB
period 1553.211513619543
4.25
1.3475e-05
3.689e-08
d
yr
n .2317778337613981 2.0108e-09 deg/d
Q 2.881345428698861 1.6665e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1321  
   data-arc span      7971 days (21.82 yr)  
   first obs. used      1999-09-08  
   last obs. used      2021-07-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .41406  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 18:17:38  

Additional Information
 Earth MOID = 1.41894 au 
 Jupiter MOID = 2.3441 au 
 T_jup = 3.357 
[ 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 14.48   n/a E2021B10  
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. 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:
[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

Alternate Designations
 1999 RE134 = 2001 AV35 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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