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52241 (1980 PW2)
Classification: Main-belt Asteroid          SPK-ID: 2052241
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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2457472962084395 4.7095e-08  
a 2.665515590631212 1.4571e-08 au
q 2.01047234123215 1.2604e-07 au
i 14.27587494807675 5.2021e-06 deg
node 43.11655207307283 1.8377e-05 deg
peri 289.4472402406608 2.0465e-05 deg
M 88.24563248458891 1.0767e-05 deg
tp 2458810.862285823885
(2019-Nov-23.36228582)
4.5882e-05 TDB
period 1589.535630875534
4.35
1.3033e-05
3.568e-08
d
yr
n .2264812395565539 1.857e-09 deg/d
Q 3.320558840030274 1.8151e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1193  
   data-arc span      16160 days (44.24 yr)  
   first obs. used      1976-10-22  
   last obs. used      2021-01-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46037  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 10:43:46  

Additional Information
 Earth MOID = 1.05189 au 
 Jupiter MOID = 2.27045 au 
 T_jup = 3.297 
[ 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 15.00   n/a E2021B10  
diameter diameter 2.941 km 0.385 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.200   0.057 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

52241 (1980 PW2)          Discovered 1980-Aug-04 by Royal Observatory Edinburgh at Siding Spring
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1980 PW2 = 1976 UO17 = 2001 HW58 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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