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91219 (1999 AN7)
Classification: Main-belt Asteroid          SPK-ID: 2091219
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .110986344587053 3.4501e-08  
a 2.194805743783197 7.8624e-09 au
q 1.951212277202032 7.7313e-08 au
i 2.685801627483656 3.6626e-06 deg
node 263.7970266071962 9.3253e-05 deg
peri 178.2359335432167 9.6528e-05 deg
M 229.9058481635943 2.5395e-05 deg
tp 2459429.688258467241
(2021-Aug-03.18825847)
8.5103e-05 TDB
period 1187.661173597574
3.25
6.3818e-06
1.747e-08
d
yr
n .3031167541745219 1.6288e-09 deg/d
Q 2.438399210364362 8.735e-09 au
  Orbit Determination Parameters
   # obs. used (total)      855  
   data-arc span      10524 days (28.81 yr)  
   first obs. used      1991-10-07  
   last obs. used      2020-07-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53638  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 08:16:37  

Additional Information
 Earth MOID = .967101 au 
 Jupiter MOID = 2.74067 au 
 T_jup = 3.660 
[ 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 16.3   n/a MPO333564  

91219 (1999 AN7)          Discovered 1999-Jan-11 by Korlevic, K. at Visnjan
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

Alternate Designations
 1999 AN7 = 2001 UJ112 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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