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27731 (1990 RK3)
Classification: Main-belt Asteroid          SPK-ID: 2027731
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2173727672943156 7.7584e-08  
a 2.37666495032233 9.4348e-09 AU
q 1.860042713139358 1.8558e-07 AU
i 1.206751469612425 4.8778e-06 deg
node 249.57620083065 0.00035261 deg
peri 126.9773660828043 0.00035302 deg
M 206.0243552644429 1.5721e-05 deg
tp 2457572.900361835201
(2016-Jul-03.40036184)
6.02e-05 JED
period 1338.290419985406
3.66
7.9691e-06
2.182e-08
d
yr
n .2689999081095759 1.6018e-09 deg/d
Q 2.893287187505301 1.1486e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      598  
   data-arc span      12963 days (35.49 yr)  
   first obs. used      1979-09-23  
   last obs. used      2015-03-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .57287  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Apr-07 17:26:09  

Additional Information
 Earth MOID = .86177 AU 
 T_jup = 3.508 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.6 mag n/a MPO257058  

27731 (1990 RK3)          Discovered 1990-Sep-14 by Holt, H. E. at Palomar
Reference: 20010902/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1990 RK3 = 1979 SA6 = 2000 HH1 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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