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17996 (1999 JQ75)
Classification: Main-belt Asteroid          SPK-ID: 2017996
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08554319702486049 3.1073e-08  
a 2.281017017409206 8.1214e-09 au
q 2.085891529271911 6.9191e-08 au
i 3.911628553411778 3.4505e-06 deg
node 232.0802601483978 5.1793e-05 deg
peri 68.31276901087895 5.6242e-05 deg
M 207.1936198209086 2.2353e-05 deg
tp 2459134.609376139204
(2020-Oct-12.10937614)
7.8693e-05 TDB
period 1258.320334430794
3.45
6.7202e-06
1.84e-08
d
yr
n .286095670672641 1.5279e-09 deg/d
Q 2.476142505546502 8.8161e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2097  
   data-arc span      11940 days (32.69 yr)  
   first obs. used      1986-08-29  
   last obs. used      2019-05-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4676  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 02:33:58  

Additional Information
 Earth MOID = 1.07336 au 
 Jupiter MOID = 2.66129 au 
 T_jup = 3.597 
[ 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 14.1   n/a MPO474005  
diameter diameter 4.268 km 0.112 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.293   0.033 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

17996 (1999 JQ75)          Discovered 1999-May-10 by LINEAR at Socorro
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 JQ75 = 1986 QO5 = 1986 RX17 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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