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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .126011099116764 3.7997e-08  
a 2.255183271293987 6.3006e-09 au
q 1.971005148568493 8.7747e-08 au
i 5.647078041462262 3.9537e-06 deg
node 61.96790624627383 3.8277e-05 deg
peri 350.6030573816828 4.1335e-05 deg
M 23.5211602780411 1.5052e-05 deg
tp 2458919.678402679311
(2020-Mar-11.17840268)
5.1655e-05 TDB
period 1237.004241776774
3.39
5.1839e-06
1.419e-08
d
yr
n .2910256794939629 1.2196e-09 deg/d
Q 2.539361394019482 7.0945e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1437  
   data-arc span      8426 days (23.07 yr)  
   first obs. used      1997-01-07  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52968  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 08:32:46  

Additional Information
 Earth MOID = .98238 au 
 Jupiter MOID = 2.78416 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 14.8   n/a MPO395443  
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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