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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2440242506702905 5.8826e-08  
a 2.215920112516617 1.0729e-08 AU
q 1.675181867514524 1.2871e-07 AU
i 6.031833335015695 7.1011e-06 deg
node 238.0510938938642 5.0573e-05 deg
peri 89.51884904776993 5.291e-05 deg
M 55.77891999936075 1.7168e-05 deg
tp 2456813.820264782782
(2014-Jun-05.32026478)
5.7126e-05 JED
period 1204.840550497727
3.30
8.7504e-06
2.396e-08
d
yr
n .2987947242075159 2.1701e-09 deg/d
Q 2.756658357518711 1.3347e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      916  
   data-arc span      12160 days (33.29 yr)  
   first obs. used      1981-10-03  
   last obs. used      2015-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53327  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Feb-04 13:27:30  

Additional Information
 Earth MOID = .67835 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 14.3 mag n/a MPO319209  

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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