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4527 Schoenberg (1982 OK)
Classification: Main-belt Asteroid          SPK-ID: 2004527
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2112417857143778 3.1248e-08  
a 2.237326033483305 5.3995e-09 au
q 1.764709286945026 6.8943e-08 au
i 4.2417977907736 3.5833e-06 deg
node 146.0249387179485 5.7242e-05 deg
peri 172.134902782036 5.8179e-05 deg
M 112.1997015993711 1.1162e-05 deg
tp 2458619.538101666532
(2019-May-16.03810167)
3.7374e-05 TDB
period 1222.340892578785
3.35
4.4249e-06
1.211e-08
d
yr
n .2945168587467482 1.0662e-09 deg/d
Q 2.709942780021585 6.5401e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2215  
   data-arc span      13710 days (37.54 yr)  
   first obs. used      1982-07-24  
   last obs. used      2020-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51321  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 17:15:22  

Additional Information
 Earth MOID = .751645 au 
 Jupiter MOID = 2.59649 au 
 T_jup = 3.604 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2103675416376858 3.1074e-08  
q 1.76679495514885 6.8429e-08 au
tp 2456174.355731467733
(2012-Sep-03.85573147)
3.5583e-05 TDB
node 146.1204404720332 5.7363e-05 deg
peri 171.9134938800887 5.8313e-05 deg
i 4.23652683622942 3.5794e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2215  
   data-arc span      13710 days (37.54 yr)  
   first obs. used      1982-07-24  
   last obs. used      2020-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51321  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 17:15:22  

Additional Information
 Jupiter MOID = 2.59649 au 
 T_jup = 3.604 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.656026083224578E-16 -2.122472814686906E-15 2.765502970110674E-13 3.020241749236236E-15 8.649038558075554E-14 -1.39363046961419E-16
q -2.122472814686906E-15 4.682480477741415E-15 -5.960826124568981E-13 -6.051451886558713E-15 -1.865169463586456E-13 3.699561334170348E-16
tp 2.765502970110674E-13 -5.960826124568981E-13 1.266139092823853E-9 -4.25134201528862E-12 3.91770025629433E-10 9.919820655064495E-14
node 3.020241749236236E-15 -6.051451886558713E-15 -4.25134201528862E-12 3.290494849796255E-9 -3.282256913777527E-9 4.926999561685192E-11
peri 8.649038558075554E-14 -1.865169463586456E-13 3.91770025629433E-10 -3.282256913777527E-9 3.400348228377274E-9 -4.913825624758646E-11
i -1.39363046961419E-16 3.699561334170348E-16 9.919820655064495E-14 4.926999561685192E-11 -4.913825624758646E-11 1.281200860577801E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.9   n/a MPO347559  
diameter diameter 3.940 km 0.107 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 2.69 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Burkhonov, O.A.; Ehgamberdiev, Sh.A.; Ergashev, K.E. (2013) Minor Planet Bull. 40, 190.]
geometric albedo albedo 0.377   0.070 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

4527 Schoenberg (1982 OK)          Discovered 1982-Jul-24 by Bowell, E. at Flagstaff
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1982 OK = 1985 KO 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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