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22948 Maidanak (1999 TR222)
Classification: Main-belt Asteroid          SPK-ID: 2022948
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1274977760357219 4.4961e-08  
a 2.639065168125078 1.0532e-08 au
q 2.302590228375792 1.2004e-07 au
i 14.52060403666877 5.0332e-06 deg
node 182.776508763214 1.3553e-05 deg
peri 143.4162024180821 2.2286e-05 deg
M 27.30177074882698 1.5231e-05 deg
tp 2459081.742262881861
(2020-Aug-20.24226288)
6.6367e-05 TDB
period 1565.934523289741
4.29
9.3744e-06
2.567e-08
d
yr
n .2298946696977509 1.3763e-09 deg/d
Q 2.975540107874364 1.1875e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1113  
   data-arc span      10155 days (27.80 yr)  
   first obs. used      1993-03-25  
   last obs. used      2021-01-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55051  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:15:01  

Additional Information
 Earth MOID = 1.30662 au 
 Jupiter MOID = 2.49152 au 
 T_jup = 3.339 
[ 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 15.01   n/a E2021B10  

22948 Maidanak           Discovered 1999 Oct. 2 by the Lowell Observatory Near-Earth Object Search at the Anderson Mesa Station.
Maidanak is a mountainous region in SE Uzbekistan. On a spur of the Pamir Alai mountains, at 2000 m altitude, is Maidanak Observatory, a world-class astronomical facility.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20120506/MPCPages.arcLast Updated: 2012-05-09

Alternate Designations
 1999 TR222 = 1998 KM53 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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