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181154 (2005 RX22)
Classification: Main-belt Asteroid          SPK-ID: 2181154
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09097045399846658 7.7953e-08  
a 2.891925878256647 2.0842e-08 au
q 2.628846068181726 2.204e-07 au
i 2.751726206951679 5.2998e-06 deg
node 59.76600999505155 0.00011694 deg
peri 315.4822505036159 0.00012124 deg
M 17.64624603934665 2.795e-05 deg
tp 2459112.450074535908
(2020-Sep-19.95007454)
0.00013967 TDB
period 1796.301213096237
4.92
1.9419e-05
5.317e-08
d
yr
n .2004118225692658 2.1666e-09 deg/d
Q 3.155005688331569 2.2738e-08 au
  Orbit Determination Parameters
   # obs. used (total)      480  
   data-arc span      7436 days (20.36 yr)  
   first obs. used      2000-09-03  
   last obs. used      2021-01-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54072  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:29:26  

Additional Information
 Earth MOID = 1.62933 au 
 Jupiter MOID = 2.30598 au 
 T_jup = 3.282 
[ 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 15.78   n/a MPCxxxxx  
diameter diameter 2.661 km 0.638 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.119   0.060 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

181154 (2005 RX22)          Discovered 2005-Sep-06 by LONEOS at Anderson Mesa
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

Alternate Designations
 2005 RX22 = 2003 FJ23 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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