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213971 (2003 YG138)
Classification: Main-belt Asteroid          SPK-ID: 2213971
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08131865432586452 4.7111e-08  
a 2.645304343884414 2.1676e-08 au
q 2.43019175435737 1.277e-07 au
i 5.757180590239918 4.311e-06 deg
node 83.57565613802585 6.3261e-05 deg
peri 20.46914193685461 7.4041e-05 deg
M 349.3242428717929 3.9294e-05 deg
tp 2459247.102378069371
(2021-Feb-01.60237807)
0.00017172 TDB
period 1571.490986868403
4.30
1.9316e-05
5.288e-08
d
yr
n .2290818102096735 2.8157e-09 deg/d
Q 2.860416933411459 2.3439e-08 au
  Orbit Determination Parameters
   # obs. used (total)      346  
   data-arc span      6709 days (18.37 yr)  
   first obs. used      2002-09-05  
   last obs. used      2021-01-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57674  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:44:51  

Additional Information
 Earth MOID = 1.44785 au 
 Jupiter MOID = 2.24542 au 
 T_jup = 3.381 
[ 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 16.45   n/a MPCxxxxx  

213971 (2003 YG138)          Discovered 2003-Dec-27 by LINEAR at Socorro
Reference: 20090509/Numbers.arcLast Updated: 2009-05-11

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2117-Sep-10 03:45 00:13 Hygie 0.0153971430501205 0.0153942872996757 0.0154000741373293 3.36723523051957 3.36723448529207 2494530.656082182 13.0058192797462 1896.56728976818 63.9406656963515 -86.1011282270015 35847.5843567148 T 16 CATAB v2.0f-lin.ifort 2021-Apr-13 23:44:52 2021-Apr-13 23:44
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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