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30222 Malecki (2000 GA134)
Classification: Main-belt Asteroid          SPK-ID: 2030222
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1448566671793709 3.2655e-08  
a 2.342192024630711 7.2856e-09 au
q 2.002909894048603 7.7687e-08 au
i 6.47712638877472 3.725e-06 deg
node 107.6326951562107 3.0976e-05 deg
peri 74.89408532782515 3.353e-05 deg
M 305.5166863220855 1.2664e-05 deg
tp 2459398.649593795261
(2021-Jul-03.14959380)
4.6269e-05 TDB
period 1309.278914054197
3.58
6.1089e-06
1.673e-08
d
yr
n .2749605115729359 1.2829e-09 deg/d
Q 2.681474155212819 8.3409e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1271  
   data-arc span      10676 days (29.23 yr)  
   first obs. used      1991-12-27  
   last obs. used      2021-03-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52426  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 04:27:56  

Additional Information
 Earth MOID = 1.01696 au 
 Jupiter MOID = 2.29703 au 
 T_jup = 3.541 
[ 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 15.25   n/a MPCxxxxx  
diameter diameter 2.851 km 0.250 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.238   0.092 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

30222 Malecki           Discovered 2000 Apr. 7 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Eva Malecki mentored a finalist in the 2014 Broadcom MASTERS, a math and science competition for middle school students. She teaches at the Dorseyville Middle School, Pittsburgh, Pennsylvania.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2015-01-05Last Updated: 2015-01-07

Alternate Designations
 2000 GA134 = 1998 WJ11 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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