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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2457375836210448 4.7102e-08  
a 2.665906039824488 1.4609e-08 au
q 2.01079273143727 1.2609e-07 au
i 14.27481711144815 5.202e-06 deg
node 43.10808884618823 1.8377e-05 deg
peri 289.4934949615612 2.0463e-05 deg
M 132.5817626424722 1.0966e-05 deg
tp 2458810.972937505765
(2019-Nov-23.47293751)
4.5881e-05 TDB
period 1589.884900431989
4.35
1.3069e-05
3.578e-08
d
yr
n .2264314856391076 1.8613e-09 deg/d
Q 3.321019348211707 1.8199e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1404  
   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      .42911  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 14:23:10  

Additional Information
 Earth MOID = 1.05313 au 
 Jupiter MOID = 2.27006 au 
 T_jup = 3.297 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456959.5 (2014-Oct-29.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2472362266297174 4.6997e-08  
q 2.005350879530009 1.2592e-07 au
tp 2457223.457998810439
(2015-Jul-19.95799881)
4.094e-05 TDB
node 43.14123860764155 1.8365e-05 deg
peri 289.6868542031386 2.043e-05 deg
i 14.28627133575417 5.2062e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1404  
   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      .42911  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 14:23:10  

Additional Information
 Jupiter MOID = 2.27006 au 
 T_jup = 3.297 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.208733625228574E-15 -5.895515124814156E-15 5.277723086171077E-13 -2.97738290757468E-15 6.887695779113764E-14 -7.566004625512336E-16
q -5.895515124814156E-15 1.58565820799725E-14 -1.311222752471518E-12 8.312629849890466E-15 -1.701942463528626E-13 2.234650574186413E-15
tp 5.277723086171077E-13 -1.311222752471518E-12 1.6760796923492E-9 -2.593090207283346E-12 3.828383145331533E-10 -2.984718292731584E-12
node -2.97738290757468E-15 8.312629849890466E-15 -2.593090207283346E-12 3.372595492806527E-10 -3.26900983113606E-10 -1.65948837163111E-11
peri 6.887695779113764E-14 -1.701942463528626E-13 3.828383145331533E-10 -3.26900983113606E-10 4.17382611000514E-10 1.547212337794087E-11
i -7.566004625512336E-16 2.234650574186413E-15 -2.984718292731584E-12 -1.65948837163111E-11 1.547212337794087E-11 2.710465202691425E-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 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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