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JPL Small-Body Database Browser
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277138 (2005 JO128)
Classification: Main-belt Asteroid          SPK-ID: 2277138
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1384933694178879 8.8934e-08  
a 3.183705149438659 4.6869e-08 au
q 2.742783096059819 2.8945e-07 au
i 5.564993494770161 6.6349e-06 deg
node 120.2950012286115 9.8048e-05 deg
peri 101.8764808535903 0.00010169 deg
M 158.5904837145509 3.0712e-05 deg
tp 2457686.445039939854
(2016-Oct-24.94503994)
0.00016639 TDB
period 2074.902465231972
5.68
4.5818e-05
1.254e-07
d
yr
n .1735021313205449 3.8313e-09 deg/d
Q 3.6246272028175 5.336e-08 au
  Orbit Determination Parameters
   # obs. used (total)      176  
   data-arc span      5787 days (15.84 yr)  
   first obs. used      2003-12-21  
   last obs. used      2019-10-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65749  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 05:21:52  

Additional Information
 Earth MOID = 1.7414 au 
 Jupiter MOID = 1.38995 au 
 T_jup = 3.176 
[ 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 15.7   n/a MPO455057  

277138 (2005 JO128)          Discovered 2005-May-13 by Spacewatch at Kitt Peak
Reference: 20110517/Numbers.arcLast Updated: 2011-05-20

[ show close-approach data ]
Alternate Designations
 2005 JO128 = 2008 WK81 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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