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JPL Small-Body Database Browser
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27661 (1978 UK6)
Classification: Main-belt Asteroid          SPK-ID: 2027661
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .135169435926157 3.9466e-08  
a 2.469376479544678 1.0862e-08 au
q 2.135592253715304 1.002e-07 au
i 5.293221273254131 4.5557e-06 deg
node 207.0273479153406 4.0426e-05 deg
peri 48.22457010231077 4.3431e-05 deg
M 271.2576776653123 1.8045e-05 deg
tp 2458949.887752210922
(2020-Apr-10.38775221)
7.2231e-05 TDB
period 1417.357439909673
3.88
9.3514e-06
2.56e-08
d
yr
n .2539937985036029 1.6758e-09 deg/d
Q 2.803160705374051 1.233e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1877  
   data-arc span      15335 days (41.98 yr)  
   first obs. used      1977-05-15  
   last obs. used      2019-05-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5155  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 03:28:38  

Additional Information
 Earth MOID = 1.12519 au 
 Jupiter MOID = 2.23852 au 
 T_jup = 3.466 
[ 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 14.1   n/a MPO384983  

27661 (1978 UK6)          Discovered 1978-Oct-27 by Olmstead, C. M. at Palomar
Reference: 20010902/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1978 UK6 = 1977 JT = 2000 AV237 = 2000 EQ91 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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