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67255 (2000 ET109)
Classification: Main-belt Asteroid          SPK-ID: 2067255
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 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2401818967534053 2.7752e-08  
a 3.099177406541115 1.2871e-08 au
q 2.354811098662771 8.6328e-08 au
i 15.29787955377907 4.9961e-06 deg
node 312.6732662258397 1.3111e-05 deg
peri 93.7727437495374 1.9451e-05 deg
M 30.0908434822839 1.1317e-05 deg
tp 2459033.928788755864
(2020-Jul-03.42878876)
6.2685e-05 TDB
period 1992.820044516002
5.46
1.2414e-05
3.399e-08
d
yr
n .1806485241809345 1.1253e-09 deg/d
Q 3.84354371441946 1.5962e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1824  
   data-arc span      24304 days (66.54 yr)  
   first obs. used      1954-09-04  
   last obs. used      2021-03-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .41652  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 07:03:43  

Additional Information
 Earth MOID = 1.42293 au 
 Jupiter MOID = 1.88222 au 
 T_jup = 3.124 
[ 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 13.18   n/a MPCxxxxx  
diameter diameter 6.599 km 0.092 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 3.70 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:
[Devogele, M.; Tanga, P.; Bendjoya, P.; Rivet, J.P.; et al. (2017) ArXiv:1707.07503.]
geometric albedo albedo 0.281   0.023 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

67255 (2000 ET109)          Discovered 2000-Mar-08 by NEAT at Haleakala
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2000 ET109 = 1989 EC9 = 1994 CY8 = 1998 XJ34 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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