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11400 Rasa (1999 AT21)
Classification: Main-belt Asteroid          SPK-ID: 2011400
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 .08307382476031906 6.8137e-08  
a 2.157310950325429 1.2495e-08 AU
q 1.978094878484577 1.5187e-07 AU
i .2306567591300794 4.3265e-06 deg
node 281.701902893876 0.0015469 deg
peri 91.39984940094065 0.001547 deg
M 118.3075762830079 2.6397e-05 deg
tp 2456620.155092993019
(2013-Nov-23.65509299)
8.5081e-05 JED
period 1157.357549063229
3.17
1.0055e-05
2.753e-08
d
yr
n .3110533994368343 2.7025e-09 deg/d
Q 2.336527022166281 1.3533e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      877  
   data-arc span      13827 days (37.86 yr)  
   first obs. used      1977-02-19  
   last obs. used      2014-12-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .56659  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jan-08 02:12:10  

Additional Information
 Earth MOID = .978094 AU 
 T_jup = 3.695 
[ 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 15.2 mag n/a MPO267752  

11400 Raša           Discovered 1999 Jan. 15 by K. Korlevic at Visnjan.
Raša is a river in the Istrian peninsula.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20051215/MPCPages.arcLast Updated: 2006-03-22

Alternate Designations
 1999 AT21 = 1977 DK9 = 1988 WL 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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