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16867 (1998 AX)
Classification: Main-belt Asteroid          SPK-ID: 2016867
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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .108317393307959 2.0246e-08  
a 2.397177690867334 7.8797e-09 au
q 2.137521652096592 5.0008e-08 au
i 5.994169349108303 1.2185e-06 deg
node 346.2749500358464 8.2293e-06 deg
peri 100.8906229202094 1.5547e-05 deg
M 94.24327321993229 9.8416e-06 deg
tp 2458845.607657633317
(2019-Dec-28.10765763)
3.6806e-05 TDB
period 1355.65371285284
3.71
6.6842e-06
1.83e-08
d
yr
n .2655545413897884 1.3093e-09 deg/d
Q 2.656833729638076 8.7332e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1850  
   data-arc span      13963 days (38.23 yr)  
   first obs. used      1982-12-22  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48752  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 01:44:48  

Additional Information
 Earth MOID = 1.16318 au 
 Jupiter MOID = 2.50939 au 
 T_jup = 3.513 
[ 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 14.17   n/a E2021B10  
diameter diameter 4.770 km 0.173 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.214   0.019 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

16867 (1998 AX)          Discovered 1998-Jan-05 by Kobayashi, T. at Oizumi
Reference: 20000913/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 AX = 1982 YM3 = 1983 BG = 1983 CD6 = 1996 QG 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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