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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 ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0858690314216625 8.6866e-09  
a 2.281618427823617 6.6279e-09 au
q 2.085698063352587 2.2061e-08 au
i 3.910186840543453 8.8379e-07 deg
node 232.0502716515242 4.9861e-06 deg
peri 68.00823451631362 1.2895e-05 deg
M 19.1496604812915 1.4029e-05 deg
tp 2459133.539062063520
(2020-Oct-11.03906206)
4.899e-05 TDB
period 1258.818018245453
3.45
5.4851e-06
1.502e-08
d
yr
n .2859825604512477 1.2461e-09 deg/d
Q 2.477538792294647 7.197e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2358  
   data-arc span      12460 days (34.11 yr)  
   first obs. used      1986-08-29  
   last obs. used      2020-10-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45804  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:19:20  

Additional Information
 Earth MOID = 1.07189 au 
 Jupiter MOID = 2.65863 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 14.09   n/a E2021B10  
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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