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JPL Small-Body Database Browser
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27277 Pattybrown (2000 AY55)
Classification: Main-belt Asteroid          SPK-ID: 2027277
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09714201218877908 2.9436e-08  
a 2.233630017691587 7.4371e-09 au
q 2.016650703287768 6.4821e-08 au
i 2.906573222010155 3.6604e-06 deg
node 318.7148325056165 8.2797e-05 deg
peri 315.4849591591411 8.628e-05 deg
M 248.3859270992859 2.512e-05 deg
tp 2459378.534763310569
(2021-Jun-13.03476331)
8.5407e-05 TDB
period 1219.313221486553
3.34
6.0898e-06
1.667e-08
d
yr
n .2952481722137793 1.4746e-09 deg/d
Q 2.450609332095406 8.1596e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1348  
   data-arc span      9463 days (25.91 yr)  
   first obs. used      1994-03-09  
   last obs. used      2020-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52453  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 01:00:16  

Additional Information
 Earth MOID = 1.00155 au 
 Jupiter MOID = 2.62999 au 
 T_jup = 3.632 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.6   n/a MPO358884  
diameter diameter 2.079 km 0.425 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.373   0.134 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

27277 Pattybrown           Discovered 2000 Jan. 4 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Patricia Brown mentored a finalist in the 2011 Intel Science Talent Search, a science competition for high-school seniors. She teaches at the Brownell-Talbot High School, Omaha, Nebraska, U.S.A.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20110319/MPCPages.arcLast Updated: 2011-03-23

[ show close-approach data ]
Alternate Designations
 2000 AY55 = 1998 RE41 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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