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5745 (1991 AN)
Classification: Main-belt Asteroid          SPK-ID: 2005745
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1594175993234594 5.4748e-08  
a 2.190761966294618 1.0505e-08 AU
q 1.841515952938788 1.2105e-07 AU
i 4.886655472981091 5.9647e-06 deg
node 23.23480217879251 5.4354e-05 deg
peri 28.12013610671162 5.8231e-05 deg
M 180.4135788428735 2.1071e-05 deg
tp 2457591.329553505361
(2016-Jul-21.82955351)
7.1974e-05 JED
period 1184.380410787475
3.24
8.5192e-06
2.332e-08
d
yr
n .3039563950239956 2.1863e-09 deg/d
Q 2.540007979650448 1.218e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1098  
   data-arc span      31296 days (85.68 yr)  
   first obs. used      1928-10-15  
   last obs. used      2014-06-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52012  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Aug-13 14:06:46  

Additional Information
 Earth MOID = .853163 AU 
 T_jup = 3.652 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.8 mag n/a MPO247419  

5745 (1991 AN)          Discovered 1991-Jan-09 by Hioki and Hayakawa at Okutama
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1991 AN = 1928 TE = 1980 TC15 = 1983 RB9 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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