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JPL Small-Body Database Browser
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39983 (1998 HX16)
Classification: Main-belt Asteroid          SPK-ID: 2039983
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07624001102345811 4.0422e-08  
a 2.396807614565382 1.1854e-08 au
q 2.214074975609809 9.8252e-08 au
i 5.945538425839674 5.3997e-06 deg
node 237.3217393136226 4.6022e-05 deg
peri 244.9321105928596 6.0486e-05 deg
M 301.4046364282866 4.0862e-05 deg
tp 2458821.101744787040
(2019-Dec-03.60174479)
0.00015438 TDB
period 1355.339796230433
3.71
1.0055e-05
2.753e-08
d
yr
n .2656160477256385 1.9705e-09 deg/d
Q 2.579540253520955 1.2758e-08 au
  Orbit Determination Parameters
   # obs. used (total)      829  
   data-arc span      15924 days (43.60 yr)  
   first obs. used      1976-05-02  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57117  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 03:12:26  

Additional Information
 Earth MOID = 1.238 au 
 Jupiter MOID = 2.49326 au 
 T_jup = 3.517 
[ 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 15.3   n/a MPO351111  

39983 (1998 HX16)          Discovered 1998-Apr-18 by LINEAR at Socorro
Reference: 20020526/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 HX16 = 1976 JX6 = 2000 WY57 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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