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JPL Small-Body Database Browser
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39111 (2000 WR30)
Classification: Main-belt Asteroid          SPK-ID: 2039111
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1119908696049751 3.049e-08  
a 2.322955055913584 9.2749e-09 au
q 2.062805299148549 7.1409e-08 au
i 5.608336181783293 3.5374e-06 deg
node 123.880613218203 4.2308e-05 deg
peri 130.3679632091685 4.6907e-05 deg
M 346.623885053188 1.9135e-05 deg
tp 2459048.549307087656
(2020-Jul-18.04930709)
6.8662e-05 TDB
period 1293.181960557154
3.54
7.745e-06
2.12e-08
d
yr
n .2783830976461332 1.6673e-09 deg/d
Q 2.58310481267862 1.0314e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1140  
   data-arc span      11160 days (30.55 yr)  
   first obs. used      1989-10-07  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57153  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 08:40:11  

Additional Information
 Earth MOID = 1.05306 au 
 Jupiter MOID = 2.46073 au 
 T_jup = 3.562 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457080.5 (2015-Feb-27.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1125477189073633 3.0466e-08  
q 2.061155313977975 7.1372e-08 au
tp 2456461.387618552812
(2013-Jun-17.88761855)
7.3704e-05 TDB
node 123.9114651665703 4.229e-05 deg
peri 130.1645157960523 4.6847e-05 deg
i 5.609614144258208 3.5385e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1140  
   data-arc span      11160 days (30.55 yr)  
   first obs. used      1989-10-07  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57153  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 08:40:11  

Additional Information
 Jupiter MOID = 2.46073 au 
 T_jup = 3.562 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.281655275764614E-16 -2.159876380624676E-15 -3.443784378985744E-13 -7.670671064077527E-15 -9.077370761945261E-14 -1.387658527752117E-15
q -2.159876380624676E-15 5.094032323763154E-15 5.301647660891854E-13 1.776817291661543E-14 1.442609195364943E-13 3.343722629035829E-15
tp -3.443784378985744E-13 5.301647660891854E-13 5.432340320264058E-9 6.475094500587836E-12 1.503337126777041E-9 -4.241920103802233E-13
node -7.670671064077527E-15 1.776817291661543E-14 6.475094500587836E-12 1.788422734434391E-9 -1.777417079872905E-9 3.494127391630329E-11
peri -9.077370761945261E-14 1.442609195364943E-13 1.503337126777041E-9 -1.777417079872905E-9 2.194601870990442E-9 -3.48458015047311E-11
i -1.387658527752117E-15 3.343722629035829E-15 -4.241920103802233E-13 3.494127391630329E-11 -3.48458015047311E-11 1.252073571885302E-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 15.2   n/a MPO333164  
diameter diameter 2.362 km 0.324 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.317   0.082 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

39111 (2000 WR30)          Discovered 2000-Nov-20 by LINEAR at Socorro
Reference: 20020328/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2000 WR30 = 1989 TW9 = 1998 BM37 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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