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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2434959269917813 5.8271e-08  
a 2.217051776609789 1.0418e-08 au
q 1.677208699075413 1.2723e-07 au
i 6.029752559305632 6.7879e-06 deg
node 238.0071352778747 4.75e-05 deg
peri 89.65357556962026 4.9848e-05 deg
M 175.1742908813472 1.7089e-05 deg
tp 2456813.781141441970
(2014-Jun-05.28114144)
5.6015e-05 JED
period 1205.763631285129
3.30
8.4991e-06
2.327e-08
d
yr
n .2985659798150523 2.1045e-09 deg/d
Q 2.756894854144166 1.2955e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1132  
   data-arc span      12492 days (34.20 yr)  
   first obs. used      1981-10-03  
   last obs. used      2015-12-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53139  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 13:12:24  

Additional Information
 Earth MOID = .677761 au 
 Jupiter MOID = 2.61531 au 
 T_jup = 3.606 
[ 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
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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