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186882 (2004 JA16)
Classification: Main-belt Asteroid          SPK-ID: 2186882
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1611106368036418 8.7036e-08  
a 2.55484117872319 1.7283e-08 au
q 2.14322908948693 2.3325e-07 au
i 7.202249098235209 1.1926e-05 deg
node 211.5322830038965 3.0785e-05 deg
peri 50.78245659978631 6.2234e-05 deg
M 9.333105480530033 5.3582e-05 deg
tp 2459161.830552995944
(2020-Nov-08.33055300)
0.00022172 TDB
period 1491.572226468575
4.08
1.5135e-05
4.144e-08
d
yr
n .2413560628252853 2.4491e-09 deg/d
Q 2.96645326795945 2.0068e-08 au
  Orbit Determination Parameters
   # obs. used (total)      470  
   data-arc span      6805 days (18.63 yr)  
   first obs. used      2001-10-24  
   last obs. used      2020-06-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56728  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:53:05  

Additional Information
 Earth MOID = 1.13501 au 
 Jupiter MOID = 2.1085 au 
 T_jup = 3.409 
[ 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 16.12   n/a E2021B55  

186882 (2004 JA16)          Discovered 2004-May-10 by NEAT at Haleakala
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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