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134121 (2004 YE30)
Classification: Main-belt Asteroid          SPK-ID: 2134121
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .130416947179258 4.2772e-08  
a 2.60283896693462 1.9879e-08 au
q 2.263384654867793 1.0533e-07 au
i 4.642154609479782 5.7913e-06 deg
node 171.3110088101506 5.4226e-05 deg
peri 76.22401731075122 6.0246e-05 deg
M 141.5580212956217 3.04e-05 deg
tp 2458597.383292575892
(2019-Apr-23.88329258)
0.00012514 TDB
period 1533.802271926742
4.20
1.7572e-05
4.811e-08
d
yr
n .2347108271966326 2.6889e-09 deg/d
Q 2.942293279001447 2.2472e-08 au
  Orbit Determination Parameters
   # obs. used (total)      304  
   data-arc span      6829 days (18.70 yr)  
   first obs. used      2002-05-03  
   last obs. used      2021-01-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57422  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 18:07:00  

Additional Information
 Earth MOID = 1.25388 au 
 Jupiter MOID = 2.086 au 
 T_jup = 3.397 
[ 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 16.4   n/a MPO436655  
diameter diameter 2.017 km 0.454 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 9.32 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:
[Chang, C.K.; Ip, W.-H.; Lin, H.-W.; Cheng, Y.C.; et al. (2015) Astrophys. J. Supp. Ser. 219, A27.]
geometric albedo albedo 0.091   0.045 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

134121 (2004 YE30)          Discovered 2004-Dec-16 by Spacewatch at Kitt Peak
Reference: 20060711/Numbers.arcLast Updated: 2006-07-17

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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