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227572 (2005 YT217)
Classification: Main-belt Asteroid          SPK-ID: 2227572
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1177931956793691 3.9953e-08  
a 2.656262250931986 2.6822e-08 au
q 2.343372631832233 1.0036e-07 au
i 2.345610604941208 4.2678e-06 deg
node 298.1911133160174 0.00014568 deg
peri 135.9579284075455 0.00015015 deg
M 176.4310151593884 4.0271e-05 deg
tp 2458425.543572416080
(2018-Nov-03.04357242)
0.00016801 TDB
period 1581.265707042357
4.33
2.3951e-05
6.557e-08
d
yr
n .2276657227161107 3.4484e-09 deg/d
Q 2.969151870031739 2.9982e-08 au
  Orbit Determination Parameters
   # obs. used (total)      321  
   data-arc span      7204 days (19.72 yr)  
   first obs. used      2000-10-02  
   last obs. used      2020-06-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57279  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 00:40:18  

Additional Information
 Earth MOID = 1.35858 au 
 Jupiter MOID = 2.26335 au 
 T_jup = 3.377 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457682.5 (2016-Oct-21.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1182271826339347 3.9964e-08  
q 2.342038929045499 1.0012e-07 au
tp 2458427.340034477044
(2018-Nov-04.84003448)
0.00016735 TDB
node 298.2062832869844 0.00014568 deg
peri 136.4004177586976 0.00015012 deg
i 2.345700179939771 4.2678e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      321  
   data-arc span      7204 days (19.72 yr)  
   first obs. used      2000-10-02  
   last obs. used      2020-06-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57279  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 00:40:18  

Additional Information
 Jupiter MOID = 2.26335 au 
 T_jup = 3.377 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.597093095626771E-15 -3.903635814369323E-15 7.405846781862216E-13 3.985264663910403E-17 8.936751310466265E-14 6.375652513060983E-16
q -3.903635814369323E-15 1.002346561759712E-14 9.181864672166026E-13 -1.919553916759014E-14 3.489564296981457E-13 -1.577203093477532E-15
tp 7.405846781862216E-13 9.181864672166026E-13 2.800739055957515E-8 -1.983177758233427E-10 6.108949467622318E-9 -1.208169709797557E-12
node 3.985264663910403E-17 -1.919553916759014E-14 -1.983177758233427E-10 2.122267659054608E-8 -2.12467213705303E-8 1.720648671120984E-10
peri 8.936751310466265E-14 3.489564296981457E-13 6.108949467622318E-9 -2.12467213705303E-8 2.253688446681386E-8 -1.722298562346056E-10
i 6.375652513060983E-16 -1.577203093477532E-15 -1.208169709797557E-12 1.720648671120984E-10 -1.722298562346056E-10 1.821410057432036E-11

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 16.68   n/a E2021B55  

227572 (2005 YT217)          Discovered 2005-Dec-31 by Spacewatch at Kitt Peak
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

[ show close-approach data ]
Alternate Designations
 2005 YT217 = 2005 XY113 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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