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56080 (1999 AN3)
Classification: Main-belt Asteroid          SPK-ID: 2056080
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1500303380907245 3.3948e-08  
a 2.314105497328632 7.7062e-09 au
q 1.966919467186813 7.9766e-08 au
i 3.339101428662461 3.6078e-06 deg
node 308.8413189581045 7.1249e-05 deg
peri 101.8233721642561 7.2945e-05 deg
M 331.4539826048578 1.4234e-05 deg
tp 2458702.456796936291
(2019-Aug-06.95679694)
5.0945e-05 TDB
period 1285.799219869842
3.52
6.4228e-06
1.758e-08
d
yr
n .2799815044501597 1.3986e-09 deg/d
Q 2.661291527470451 8.8624e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1245  
   data-arc span      7676 days (21.02 yr)  
   first obs. used      1998-12-01  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50965  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 05:40:41  

Additional Information
 Earth MOID = .980304 au 
 Jupiter MOID = 2.69149 au 
 T_jup = 3.565 
[ 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 14.7   n/a MPO452932  
diameter diameter 2.800 km 0.317 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 4.75 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Published Reference List:
[Chang, C.-K.; Ip, W.-H.; Cheng, Y.-C.; Ngeow, C.-C.; et al. (2014) Astrophys. J. 788, A17.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.357   0.056 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

56080 (1999 AN3)          Discovered 1999-Jan-09 by Kagawa, T. at Gekko
Reference: 20030318/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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