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181272 (2005 WR184)
Classification: Main-belt Asteroid          SPK-ID: 2181272
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08439397055318065 4.5353e-08  
a 3.075988962380617 3.1318e-08 au
q 2.816394040467558 1.3633e-07 au
i 9.812556804613664 5.0394e-06 deg
node 88.44742894438964 3.0487e-05 deg
peri 67.9351443932072 4.3608e-05 deg
M 187.1837831217768 3.2331e-05 deg
tp 2460146.426906521457
(2023-Jul-20.92690652)
0.00018183 TDB
period 1970.496128772946
5.39
3.0094e-05
8.239e-08
d
yr
n .1826951064472158 2.7901e-09 deg/d
Q 3.335583884293676 3.3961e-08 au
  Orbit Determination Parameters
   # obs. used (total)      376  
   data-arc span      7200 days (19.71 yr)  
   first obs. used      2000-12-27  
   last obs. used      2020-09-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59953  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:29:56  

Additional Information
 Earth MOID = 1.84524 au 
 Jupiter MOID = 1.75121 au 
 T_jup = 3.201 
[ 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 15.53   n/a E2021B55  
diameter diameter 6.179 km 1.570 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.029   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

181272 (2005 WR184)          Discovered 2005-Nov-29 by NEAT at Palomar
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

[ show close-approach data ]
Alternate Designations
 2005 WR184 = 2000 YD139 = 2002 FM20 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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