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30470 (2000 OR19)
Classification: Main-belt Asteroid          SPK-ID: 2030470
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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .212221716102636 3.3087e-08  
a 3.047585618555597 1.7642e-08 au
q 2.400821768616014 1.0508e-07 au
i 3.166156831522479 5.1992e-06 deg
node 199.8767512552273 6.9972e-05 deg
peri 81.01229998249072 7.0972e-05 deg
M 308.9502414901647 1.3576e-05 deg
tp 2459476.064641571282
(2021-Sep-18.56464157)
7.4039e-05 TDB
period 1943.266214404304
5.32
1.6874e-05
4.62e-08
d
yr
n .1852551118995066 1.6086e-09 deg/d
Q 3.694349468495179 2.1386e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1178  
   data-arc span      9841 days (26.94 yr)  
   first obs. used      1994-04-12  
   last obs. used      2021-03-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52639  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 04:29:21  

Additional Information
 Earth MOID = 1.38509 au 
 Jupiter MOID = 1.47246 au 
 T_jup = 3.201 
[ 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 14.05   n/a MPCxxxxx  
diameter diameter 8.808 km 0.106 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 23.02 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:
[Masiero, J.; Jedicke, R.; Durecy, J.; Gwyn, S.; et al. (2009) Icarus 204, 145-171.]
geometric albedo albedo 0.053   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

30470 (2000 OR19)          Discovered 2000-Jul-30 by LINEAR at Socorro
Reference: 20011002/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2000 OR19 = 1994 GD8 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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