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357427 (2003 YH121)
Classification: Main-belt Asteroid          SPK-ID: 2357427
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1773939024454582 6.356e-08  
a 2.792788224368784 2.2596e-08 au
q 2.297364622544283 1.7846e-07 au
i 16.72187032511932 7.175e-06 deg
node 121.178606573023 2.0212e-05 deg
peri 44.17110776149207 2.7517e-05 deg
M 164.9531053514339 1.8765e-05 deg
tp 2458219.387785804234
(2018-Apr-10.88778580)
8.5148e-05 TDB
period 1704.729332081236
4.67
2.0689e-05
5.664e-08
d
yr
n .2111772192952709 2.5629e-09 deg/d
Q 3.288211826193284 2.6605e-08 au
  Orbit Determination Parameters
   # obs. used (total)      317  
   data-arc span      5233 days (14.33 yr)  
   first obs. used      2003-12-22  
   last obs. used      2018-04-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49858  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-May-07 06:50:33  

Additional Information
 Earth MOID = 1.33564 au 
 Jupiter MOID = 1.82136 au 
 T_jup = 3.244 
[ 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 15.8   n/a MPO437509  

357427 (2003 YH121)          Discovered 2003-Dec-27 by LINEAR at Socorro
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

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