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17986 (1999 JF62)
Classification: Main-belt Asteroid          SPK-ID: 2017986
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04626236490706777 1.3108e-08  
a 2.520649769836357 8.7954e-09 au
q 2.404038550381271 3.1178e-08 au
i 14.82016697186353 9.377e-07 deg
node 68.82113197860046 1.4385e-06 deg
peri 241.1236824959112 2.5431e-05 deg
M 79.50172509052101 2.4081e-05 deg
tp 2458877.694267001213
(2020-Jan-29.19426700)
9.769e-05 TDB
period 1461.730091356457
4.00
7.6507e-06
2.095e-08
d
yr
n .2462834979787049 1.289e-09 deg/d
Q 2.637260989291442 9.2023e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2315  
   data-arc span      10899 days (29.84 yr)  
   first obs. used      1991-05-17  
   last obs. used      2021-03-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44409  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 02:38:52  

Additional Information
 Earth MOID = 1.41535 au 
 Jupiter MOID = 2.47185 au 
 T_jup = 3.409 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457686.5 (2016-Oct-25.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04700283436680065 1.3209e-08  
q 2.402900062013369 3.1568e-08 au
tp 2457421.333127833668
(2016-Feb-02.83312783)
9.6106e-05 TDB
node 68.83669340934878 1.4381e-06 deg
peri 242.6059485976587 2.5004e-05 deg
i 14.82352051481547 9.3803e-07 deg
  Orbit Determination Parameters
   # obs. used (total)      2315  
   data-arc span      10899 days (29.84 yr)  
   first obs. used      1991-05-17  
   last obs. used      2021-03-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44409  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 02:38:52  

Additional Information
 Jupiter MOID = 2.47185 au 
 T_jup = 3.409 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.74482069676317E-16 -4.035885674633359E-16 3.004541460589593E-13 -3.429090434317606E-15 9.436368831188338E-14 4.907362220730205E-15
q -4.035885674633359E-16 9.96525056093528E-16 -7.988723763040589E-13 8.708824863937229E-15 -2.474956647368161E-13 -1.195862816307513E-14
tp 3.004541460589593E-13 -7.988723763040589E-13 9.236290323537516E-9 -1.725957802619134E-12 2.39628392509552E-9 1.765198484728451E-11
node -3.429090434317606E-15 8.708824863937229E-15 -1.725957802619134E-12 2.068184830194521E-12 -2.484608599674462E-12 -5.168815323578217E-13
peri 9.436368831188338E-14 -2.474956647368161E-13 2.39628392509552E-9 -2.484608599674462E-12 6.251970802281903E-10 5.403120013959285E-12
i 4.907362220730205E-15 -1.195862816307513E-14 1.765198484728451E-11 -5.168815323578217E-13 5.403120013959285E-12 8.798932091861486E-13

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.70   n/a MPCxxxxx  
diameter diameter 5.470 km 0.159 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.258   0.034 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

17986 (1999 JF62)          Discovered 1999-May-10 by LINEAR at Socorro
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 JF62 = 1991 KL2 = 1998 HQ48 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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