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JPL Small-Body Database Browser
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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2457045221024314 4.9094e-08  
a 2.664897316314813 1.5086e-08 au
q 2.01011999475763 1.3266e-07 au
i 14.27744704997638 5.4069e-06 deg
node 43.1192247689162 1.9191e-05 deg
peri 289.3964884620059 2.127e-05 deg
M 42.99152100716321 1.0413e-05 deg
tp 2458810.742279047736
(2019-Nov-23.24227905)
4.5216e-05 TDB
period 1588.982616628816
4.35
1.3493e-05
3.694e-08
d
yr
n .226560061911675 1.9238e-09 deg/d
Q 3.319674637871996 1.8793e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1058  
   data-arc span      15708 days (43.01 yr)  
   first obs. used      1976-10-22  
   last obs. used      2019-10-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50406  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 08:16:35  

Additional Information
 Earth MOID = 1.05327 au 
 Jupiter MOID = 2.27075 au 
 T_jup = 3.297 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456817.5 (2014-Jun-09.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .247240818173676 4.9034e-08  
q 2.005106991280824 1.3268e-07 au
tp 2457223.516571974854
(2015-Jul-20.01657197)
4.0837e-05 TDB
node 43.14166455437353 1.9181e-05 deg
peri 289.7126193237933 2.1231e-05 deg
i 14.28715946741698 5.4112e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1058  
   data-arc span      15708 days (43.01 yr)  
   first obs. used      1976-10-22  
   last obs. used      2019-10-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50406  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 08:16:35  

Additional Information
 Jupiter MOID = 2.27075 au 
 T_jup = 3.297 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.404319886623957E-15 -6.482302103169832E-15 5.680704615050787E-13 -2.058411269029839E-15 9.535371061411068E-14 -1.210752959349415E-15
q -6.482302103169832E-15 1.760457435245282E-14 -1.446804124350896E-12 5.529069842298974E-15 -2.49026558397479E-13 3.665191541841057E-15
tp 5.680704615050787E-13 -1.446804124350896E-12 1.667634408350488E-9 -4.184339531082482E-12 3.908883182153862E-10 -2.285979728664122E-12
node -2.058411269029839E-15 5.529069842298974E-15 -4.184339531082482E-12 3.678995715152874E-10 -3.569812697449113E-10 -2.474473600305605E-11
peri 9.535371061411068E-14 -2.49026558397479E-13 3.908883182153862E-10 -3.569812697449113E-10 4.50772208068565E-10 2.351754678961584E-11
i -1.210752959349415E-15 3.665191541841057E-15 -2.285979728664122E-12 -2.474473600305605E-11 2.351754678961584E-11 2.928119510856433E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.8   n/a MPO436150  
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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