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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08359011369052936 6.3062e-08  
a 2.156432076766308 1.0567e-08 au
q 1.976175674303508 1.3877e-07 au
i .2304527854674195 3.9595e-06 deg
node 281.5690667588534 0.0014582 deg
peri 91.49318637133446 0.0014582 deg
M 242.806995098254 2.4772e-05 deg
tp 2457777.031479735739
(2017-Jan-23.53147974)
8.023e-05 JED
period 1156.650371910095
3.17
8.5016e-06
2.328e-08
d
yr
n .3112435777853036 2.2877e-09 deg/d
Q 2.336688479229108 1.145e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1001  
   data-arc span      13987 days (38.29 yr)  
   first obs. used      1977-02-19  
   last obs. used      2015-06-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .56455  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-06 12:06:51  

Additional Information
 Earth MOID = .974363 au 
 Jupiter MOID = 2.98098 au 
 T_jup = 3.696 
[ 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 15.3 mag n/a MPO337354  

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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