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JPL Small-Body Database Browser
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34551 (2000 SJ242)
Classification: Main-belt Asteroid          SPK-ID: 2034551
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1269427279808449 4.4866e-08  
a 2.630033286648225 1.3171e-08 au
q 2.296169686560672 1.205e-07 au
i 8.919444532650875 5.4804e-06 deg
node 6.135152656787163 2.1713e-05 deg
peri 319.4441295443633 2.6784e-05 deg
M 240.5034076550379 1.5632e-05 deg
tp 2459517.622357382611
(2021-Oct-30.12235738)
6.8089e-05 TDB
period 1557.902572822518
4.27
1.1703e-05
3.204e-08
d
yr
n .2310799187832219 1.7358e-09 deg/d
Q 2.963896886735778 1.4843e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1364  
   data-arc span      16715 days (45.76 yr)  
   first obs. used      1974-07-24  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .532  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 07:49:26  

Additional Information
 Earth MOID = 1.29359 au 
 Jupiter MOID = 2.40584 au 
 T_jup = 3.372 
[ 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 14.4   n/a MPO431889  
diameter diameter 3.456 km 0.645 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 22.677 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.282   0.086 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

34551 (2000 SJ242)          Discovered 2000-Sep-24 by LINEAR at Socorro
Reference: 20020128/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2000 SJ242 = 1974 OB2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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