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46684 (1997 AX8)
Classification: Main-belt Asteroid          SPK-ID: 2046684
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1465720161123948 4.4167e-08  
a 2.250727402651621 8.1108e-09 au
q 1.920833749525559 9.8782e-08 au
i 4.952574209608926 3.9092e-06 deg
node 136.0661063385102 6.1459e-05 deg
peri 218.9065196440205 6.3345e-05 deg
M 336.0915182428174 1.4942e-05 deg
tp 2458682.409122284700
(2019-Jul-17.90912228)
5.1167e-05 TDB
period 1233.339880046268
3.38
6.6668e-06
1.825e-08
d
yr
n .2918903424954481 1.5778e-09 deg/d
Q 2.580621055777684 9.2996e-09 au
  Orbit Determination Parameters
   # obs. used (total)      742  
   data-arc span      8370 days (22.92 yr)  
   first obs. used      1997-01-02  
   last obs. used      2019-12-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47855  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 03:57:09  

Additional Information
 Earth MOID = .917571 au 
 Jupiter MOID = 2.84196 au 
 T_jup = 3.608 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456933.5 (2014-Oct-03.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1476905818657698 4.4301e-08  
q 1.917986047238591 9.9207e-08 au
tp 2457448.793418108050
(2016-Mar-01.29341811)
5.1274e-05 TDB
node 136.1303538908313 6.1463e-05 deg
peri 218.8637144766374 6.3304e-05 deg
i 4.95300202213576 3.9109e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      742  
   data-arc span      8370 days (22.92 yr)  
   first obs. used      1997-01-02  
   last obs. used      2019-12-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47855  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 03:57:09  

Additional Information
 Jupiter MOID = 2.84196 au 
 T_jup = 3.608 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.962599184053791E-15 -4.384517949178037E-15 8.076730623209296E-13 2.341637249177044E-14 2.069729849512818E-13 -2.857420881100347E-15
q -4.384517949178037E-15 9.842103717361743E-15 -1.88395481895918E-12 -5.169784352464215E-14 -4.919161025697609E-13 6.468891168022484E-15
tp 8.076730623209296E-13 -1.88395481895918E-12 2.629032834497138E-9 2.225068777996778E-11 8.059295932022459E-10 -2.838846567770755E-12
node 2.341637249177044E-14 -5.169784352464215E-14 2.225068777996778E-11 3.7776738374698E-9 -3.756788489986743E-9 5.441445774127594E-11
peri 2.069729849512818E-13 -4.919161025697609E-13 8.059295932022459E-10 -3.756788489986743E-9 4.007422065656652E-9 -5.50883709092504E-11
i -2.857420881100347E-15 6.468891168022484E-15 -2.838846567770755E-12 5.441445774127594E-11 -5.50883709092504E-11 1.529480313599524E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.1   n/a MPO257184  
diameter diameter 1.784 km 0.266 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.242   0.097 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46684 (1997 AX8)          Discovered 1997-Jan-02 by Spacewatch at Kitt Peak
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1997 AX8 = 2000 AO80 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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