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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1261168531800235 3.2759e-08  
a 2.255307200703441 5.7663e-09 au
q 1.970874953596475 7.4944e-08 au
i 5.646782077921459 3.5456e-06 deg
node 61.96355325643876 3.8149e-05 deg
peri 350.5957583015835 4.1053e-05 deg
M 81.72399739431251 1.5013e-05 deg
tp 2458919.663153867446
(2020-Mar-11.16315387)
5.1301e-05 TDB
period 1237.106209084621
3.39
4.7445e-06
1.299e-08
d
yr
n .2910016919779077 1.116e-09 deg/d
Q 2.539739447810406 6.4936e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1684  
   data-arc span      8842 days (24.21 yr)  
   first obs. used      1997-01-07  
   last obs. used      2021-03-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51545  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 05:40:00  

Additional Information
 Earth MOID = .981439 au 
 Jupiter MOID = 2.78423 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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