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17144 (1999 JW98)
Classification: Main-belt Asteroid          SPK-ID: 2017144
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1072343824569441 3.108e-08  
a 3.104475016097735 1.7475e-08 au
q 2.771568554893483 9.643e-08 au
i 13.24022683811314 4.975e-06 deg
node 185.5961414072361 1.5154e-05 deg
peri 293.8646606456367 2.8818e-05 deg
M 92.17043824033013 2.3099e-05 deg
tp 2458688.971503995055
(2019-Jul-24.47150399)
0.00012892 TDB
period 1997.93189744435
5.47
1.6869e-05
4.618e-08
d
yr
n .1801863218964036 1.5214e-09 deg/d
Q 3.437381477301987 1.9349e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1620  
   data-arc span      14206 days (38.89 yr)  
   first obs. used      1982-04-27  
   last obs. used      2021-03-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50527  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 02:29:03  

Additional Information
 Earth MOID = 1.8181 au 
 Jupiter MOID = 1.7104 au 
 T_jup = 3.171 
[ 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 13.52   n/a E2021B10  
diameter diameter 5.925 km 0.220 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.241   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

17144 (1999 JW98)          Discovered 1999-May-12 by LINEAR at Socorro
Reference: 20000913/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 JW98 = 1982 HE3 = 1998 DC16 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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