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17085 (1999 JM16)
Classification: Main-belt Asteroid          SPK-ID: 2017085
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 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1382333775966504 3.5049e-08  
a 2.348559085413299 7.9457e-09 au
q 2.023909830551319 8.2353e-08 au
i 5.752722010996183 3.5243e-06 deg
node 230.8330117341826 3.4297e-05 deg
peri 156.3717542104422 3.6489e-05 deg
M 214.9300841470879 1.1827e-05 deg
tp 2459730.255557309243
(2022-May-30.75555731)
4.3674e-05 TDB
period 1314.621294911981
3.60
6.6715e-06
1.827e-08
d
yr
n .2738431222689903 1.3897e-09 deg/d
Q 2.67320834027528 9.044e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1619  
   data-arc span      24356 days (66.68 yr)  
   first obs. used      1953-09-16  
   last obs. used      2020-05-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49455  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 01:53:13  

Additional Information
 Earth MOID = 1.02909 au 
 Jupiter MOID = 2.76458 au 
 T_jup = 3.540 
[ 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 14.74   n/a E2021B10  

17085 (1999 JM16)          Discovered 1999-May-15 by Spacewatch at Kitt Peak
Reference: 20000913/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 JM16 = 1987 BX2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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