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129735 (1998 YU)
Classification: Main-belt Asteroid          SPK-ID: 2129735
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1502628047373162 3.8784e-08  
a 2.155380857834364 8.1496e-09 au
q 1.83150728485905 8.043e-08 au
i 1.943266504071242 5.7116e-06 deg
node 310.8605278965961 9.8689e-05 deg
peri 120.7594378009598 0.00010071 deg
M 298.4926819143317 2.1734e-05 deg
tp 2459197.973466159857
(2020-Dec-14.47346616)
7.0354e-05 TDB
period 1155.804707962273
3.16
6.5553e-06
1.795e-08
d
yr
n .311471304382116 1.7665e-09 deg/d
Q 2.479254430809678 9.3742e-09 au
  Orbit Determination Parameters
   # obs. used (total)      895  
   data-arc span      8586 days (23.51 yr)  
   first obs. used      1996-02-16  
   last obs. used      2019-08-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58758  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 03:24:22  

Additional Information
 Earth MOID = .847038 au 
 Jupiter MOID = 2.77005 au 
 T_jup = 3.686 
[ 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 16.1   n/a MPO268061  

129735 (1998 YU)          Discovered 1998-Dec-16 by Kobayashi, T. at Oizumi
Reference: 20060711/Numbers.arcLast Updated: 2006-07-17

[ show close-approach data ]
Alternate Designations
 1998 YU = 1996 DX3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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