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27759 (1991 RE6)
Classification: Main-belt Asteroid          SPK-ID: 2027759
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08698918242183434 4.0292e-08  
a 3.001739799880832 1.7942e-08 au
q 2.740620908846117 1.1949e-07 au
i 10.36464824497502 5.594e-06 deg
node 31.75076908926465 2.2661e-05 deg
peri 274.3088314692067 4.0944e-05 deg
M 237.0598125794202 3.5423e-05 deg
tp 2459649.208162082620
(2022-Mar-10.70816208)
0.00018759 TDB
period 1899.581766138175
5.20
1.7032e-05
4.663e-08
d
yr
n .1895154009252654 1.6992e-09 deg/d
Q 3.262858690915546 1.9503e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1718  
   data-arc span      12125 days (33.20 yr)  
   first obs. used      1986-10-27  
   last obs. used      2020-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4925  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 02:55:36  

Additional Information
 Earth MOID = 1.75165 au 
 Jupiter MOID = 1.9772 au 
 T_jup = 3.222 
[ 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 13.1   n/a MPO493035  
diameter diameter 8.551 km 0.141 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.167   0.021 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

27759 (1991 RE6)          Discovered 1991-Sep-13 by Holt, H. E. at Palomar
Reference: 20010902/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1991 RE6 = 1986 UF2 = 1999 CB44 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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