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JPL Small-Body Database Browser
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52282 (1989 SO2)
Classification: Main-belt Asteroid          SPK-ID: 2052282
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 .1399888179680283 3.9828e-08  
a 2.153385470015569 8.1723e-09 au
q 1.851935583438563 8.8238e-08 au
i 2.519832868795013 3.3987e-06 deg
node 85.63684581999719 9.1809e-05 deg
peri 260.5322690239306 9.2595e-05 deg
M 274.539463432582 1.3819e-05 deg
tp 2459274.495991231355
(2021-Feb-28.99599123)
4.5261e-05 TDB
period 1154.200064792174
3.16
6.5704e-06
1.799e-08
d
yr
n .3119043318238089 1.7756e-09 deg/d
Q 2.454835356592576 9.3163e-09 au
  Orbit Determination Parameters
   # obs. used (total)      942  
   data-arc span      11168 days (30.58 yr)  
   first obs. used      1989-09-26  
   last obs. used      2020-04-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54566  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 10:20:49  

Additional Information
 Earth MOID = .846722 au 
 Jupiter MOID = 2.92771 au 
 T_jup = 3.689 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456635.5 (2013-Dec-09.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1400768906554983 3.9926e-08  
q 1.851634937097276 8.8456e-08 au
tp 2456965.233322286183
(2014-Nov-03.73332229)
3.8446e-05 TDB
node 85.67916804526376 9.1827e-05 deg
peri 260.2951874669566 9.2608e-05 deg
i 2.520091169765531 3.3992e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      942  
   data-arc span      11168 days (30.58 yr)  
   first obs. used      1989-09-26  
   last obs. used      2020-04-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54566  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 10:20:49  

Additional Information
 Jupiter MOID = 2.92771 au 
 T_jup = 3.689 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.594097405624686E-15 -3.521462352430219E-15 -7.528167164752258E-13 9.677896993590416E-16 -2.324894054857002E-13 -1.711427630445246E-15
q -3.521462352430219E-15 7.824403035967734E-15 1.727220841995769E-12 -2.170894516814938E-15 5.28361179925141E-13 3.873219360946271E-15
tp -7.528167164752258E-13 1.727220841995769E-12 1.478108994342865E-9 -5.569531212732726E-12 4.780169080352626E-10 1.086710883386382E-12
node 9.677896993590416E-16 -2.170894516814938E-15 -5.569531212732726E-12 8.432172840464922E-9 -8.425467919966593E-9 1.45557786147872E-10
peri -2.324894054857002E-13 5.28361179925141E-13 4.780169080352626E-10 -8.425467919966593E-9 8.576307684857518E-9 -1.450868297974968E-10
i -1.711427630445246E-15 3.873219360946271E-15 1.086710883386382E-12 1.45557786147872E-10 -1.450868297974968E-10 1.155459894998224E-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 16.1   n/a MPO468400  
diameter diameter 1.972 km 0.391 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.125   0.024 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

52282 (1989 SO2)          Discovered 1989-Sep-26 by Elst, E. W. at La Silla
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1989 SO2 = 1999 XQ225 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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