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9927 Tyutchev (1981 TW1)
Classification: Main-belt Asteroid          SPK-ID: 2009927
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2441268663769261 6.2249e-08  
a 2.216224997100928 1.5229e-08 AU
q 1.675184933372466 1.3925e-07 AU
i 6.031633379065 7.3264e-06 deg
node 238.0533444276747 6.3357e-05 deg
peri 89.52610964180158 6.5269e-05 deg
M 356.0138444305903 2.1193e-05 deg
tp 2456813.843536371240
(2014-Jun-05.34353637)
7.1019e-05 JED
period 1205.089216916267
3.30
1.2421e-05
3.401e-08
d
yr
n .2987330688438263 3.0792e-09 deg/d
Q 2.757265060829389 1.8947e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      762  
   data-arc span      11958 days (32.74 yr)  
   first obs. used      1981-10-03  
   last obs. used      2014-06-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .56115  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 12:22:56  

Additional Information
 Earth MOID = .676561 AU 
 T_jup = 3.607 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.2 mag n/a MPO266011  

9927 Tyutchev (1981 TW1)          Discovered 1981-Oct-03 by Karachkina, L. G. at Nauchnyj (095)
Reference: 19990202/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1981 TW1 = 1981 UA1 = 1981 UG10 = 1991 XP 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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