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JPL Small-Body Database Browser
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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08581511367792202 3.0908e-08  
a 2.28139937680787 7.8504e-09 au
q 2.085620829942362 6.8964e-08 au
i 3.9111921353929 3.4409e-06 deg
node 232.0775607587466 5.1554e-05 deg
peri 68.20844731293413 5.597e-05 deg
M 321.7559520387267 2.2342e-05 deg
tp 2459134.209344013227
(2020-Oct-11.70934401)		 7.826e-05 TDB
period 1258.63673985308
3.45		 6.4965e-06
1.779e-08		 d
yr
n .2860237498247689 1.4763e-09 deg/d
Q 2.477177923673378 8.5241e-09 au
   Orbit Determination Parameters
   # obs. used (total)      2117  
   data-arc span      12208 days (33.42 yr)  
   first obs. used      1986-08-29  
   last obs. used      2020-01-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47465  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 22:17:05  

Additional Information
 Earth MOID = 1.07381 au 
 Jupiter MOID = 2.66063 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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