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11400 Rasa (1999 AT21)
Classification: Main-belt Asteroid          SPK-ID: 2011400
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0827850445102329 3.9306e-08  
a 2.156557453997752 6.8996e-09 au
q 1.978026749179673 8.6202e-08 au
i .2309915902664839 3.6448e-06 deg
node 281.3788955460137 0.001011 deg
peri 91.68382987999102 0.0010113 deg
M 20.66624273791709 2.3498e-05 deg
tp 2458934.095272079672
(2020-Mar-25.59527208)
7.5421e-05 TDB
period 1156.751246681986
3.17
5.5513e-06
1.52e-08
d
yr
n .3112164357139192 1.4935e-09 deg/d
Q 2.33508815881583 7.4708e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1439  
   data-arc span      15959 days (43.69 yr)  
   first obs. used      1977-02-19  
   last obs. used      2020-10-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53398  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:59:47  

Additional Information
 Earth MOID = .978012 au 
 Jupiter MOID = 2.97786 au 
 T_jup = 3.696 
[ 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 15.3   n/a MPO473921  
diameter diameter 2.438 km 0.093 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.326   0.085 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

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 | Mission Design | Physical Parameters | Discovery Circumstances ]
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