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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1381774995128165 3.4462e-08  
a 2.34911269392746 7.8066e-09 au
q 2.024518175806748 8.1241e-08 au
i 5.751887643012397 3.5034e-06 deg
node 230.8273947868735 3.4058e-05 deg
peri 156.2711549183152 3.6231e-05 deg
M 268.7124324951342 1.1839e-05 deg
tp 2459729.975043915464
(2022-May-30.47504392)
4.3598e-05 TDB
period 1315.086151278684
3.60
6.5555e-06
1.795e-08
d
yr
n .2737463242616957 1.3646e-09 deg/d
Q 2.673707212048173 8.8853e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1660  
   data-arc span      24747 days (67.75 yr)  
   first obs. used      1953-09-16  
   last obs. used      2021-06-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49381  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 04:19:25  

Additional Information
 Earth MOID = 1.03019 au 
 Jupiter MOID = 2.76549 au 
 T_jup = 3.539 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457090.5 (2015-Mar-09.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1371310989253834 3.4373e-08  
q 2.027071790748413 8.085e-08 au
tp 2457098.518979975190
(2015-Mar-17.01897998)
4.3333e-05 TDB
node 230.9205559505422 3.4119e-05 deg
peri 155.9238899930204 3.6334e-05 deg
i 5.745324577512556 3.5005e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1660  
   data-arc span      24747 days (67.75 yr)  
   first obs. used      1953-09-16  
   last obs. used      2021-06-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49381  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 04:19:25  

Additional Information
 Jupiter MOID = 2.76549 au 
 T_jup = 3.539 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.181518129963719E-15 -2.769158770308363E-15 -2.552167504885057E-13 -3.004265288784293E-15 -9.825485066284557E-14 -1.808835956317373E-17
q -2.769158770308363E-15 6.536647506407772E-15 5.751653266859131E-13 6.955200428469183E-15 2.236606422793176E-13 1.183112625015097E-16
tp -2.552167504885057E-13 5.751653266859131E-13 1.877775562768395E-9 1.267603656149002E-12 5.505024775319605E-10 -8.002751528757203E-13
node -3.004265288784293E-15 6.955200428469183E-15 1.267603656149002E-12 1.16412340121753E-9 -1.157664904194796E-9 -1.917956046850153E-11
peri -9.825485066284557E-14 2.236606422793176E-13 5.505024775319605E-10 -1.157664904194796E-9 1.320165696937302E-9 1.885365427951535E-11
i -1.808835956317373E-17 1.183112625015097E-16 -8.002751528757203E-13 -1.917956046850153E-11 1.885365427951535E-11 1.225330555669147E-11

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

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

Alternate Designations
 1999 JM16 = 1987 BX2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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