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30382 (2000 JB81)
Classification: Main-belt Asteroid          SPK-ID: 2030382
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1856679276290169 2.7864e-08  
a 2.560659757108961 1.038e-08 au
q 2.085227366643518 7.1022e-08 au
i 8.313671169793581 3.1655e-06 deg
node 95.16725970875534 2.9279e-05 deg
peri 206.2927415806827 3.172e-05 deg
M 329.5712264404519 1.4138e-05 deg
tp 2459327.005145013958
(2021-Apr-22.50514501)
5.8994e-05 TDB
period 1496.670646810687
4.10
9.1007e-06
2.492e-08
d
yr
n .240533881497 1.4626e-09 deg/d
Q 3.036092147574403 1.2308e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1893  
   data-arc span      8293 days (22.70 yr)  
   first obs. used      1997-10-30  
   last obs. used      2020-07-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51539  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 06:34:23  

Additional Information
 Earth MOID = 1.07119 au 
 Jupiter MOID = 2.19049 au 
 T_jup = 3.396 
[ show covariance matrix ]

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 14.43   n/a E2021B10  
diameter diameter 3.260 km 0.792 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 4.253 h n/a LCDB (Rev. 2020-October); 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 0.381   0.246 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

30382 (2000 JB81)          Discovered 2000-May-15 by Crni Vrh at Crni Vrh
Reference: 20011002/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2000 JB81 = 1999 CG35 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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