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152734 (1998 WR11)
Classification: Main-belt Asteroid          SPK-ID: 2152734
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1874853844235786 5.899e-08  
a 2.361482347976763 1.0106e-08 au
q 1.918738922156844 1.3662e-07 au
i 3.153843785339738 5.9491e-06 deg
node 184.9343945316516 7.8348e-05 deg
peri 193.7399729393929 7.9403e-05 deg
M 56.3936952150328 1.2834e-05 deg
tp 2458992.863579053877
(2020-May-23.36357905)
4.6696e-05 TDB
period 1325.48702927838
3.63
8.5091e-06
2.33e-08
d
yr
n .2715982820261854 1.7435e-09 deg/d
Q 2.804225773796681 1.2001e-08 au
  Orbit Determination Parameters
   # obs. used (total)      436  
   data-arc span      8104 days (22.19 yr)  
   first obs. used      1998-11-11  
   last obs. used      2021-01-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57456  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 19:28:25  

Additional Information
 Earth MOID = .919523 au 
 Jupiter MOID = 2.65724 au 
 T_jup = 3.525 
[ 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 16.7   n/a MPO436772  
diameter diameter 2.427 km 0.390 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.075   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

152734 (1998 WR11)          Discovered 1998-Nov-21 by LINEAR at Socorro
Reference: 20070402/Numbers.arcLast Updated: 2007-04-04

[ show close-approach data ]
Alternate Designations
 1998 WR11 = 2005 RT5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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