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46681 (1997 AN5)
Classification: Main-belt Asteroid          SPK-ID: 2046681
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1262310440754839 3.1146e-08  
a 2.254993632871875 5.5922e-09 au
q 1.970343432210889 7.0939e-08 au
i 5.647000065054345 3.3831e-06 deg
node 61.95839823000193 3.7901e-05 deg
peri 350.5494842199651 4.077e-05 deg
M 138.8119452893874 1.5024e-05 deg
tp 2458919.585258838746
(2020-Mar-11.08525884)
5.1082e-05 TDB
period 1236.848215476867
3.39
4.6009e-06
1.26e-08
d
yr
n .2910623918887266 1.0827e-09 deg/d
Q 2.53964383353286 6.2981e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1784  
   data-arc span      8917 days (24.41 yr)  
   first obs. used      1997-01-07  
   last obs. used      2021-06-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50929  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 21:25:07  

Additional Information
 Earth MOID = .981239 au 
 Jupiter MOID = 2.78522 au 
 T_jup = 3.607 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.89   n/a MPCxxxxx  
diameter diameter 2.746 km 0.166 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.339   0.037 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46681 (1997 AN5)          Discovered 1997-Jan-07 by Kobayashi, T. at Oizumi
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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