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227559 (2005 YW184)
Classification: Main-belt Asteroid          SPK-ID: 2227559
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0435132110952523 5.98e-08  
a 2.737225627948779 2.3045e-08 au
q 2.618120151384509 1.608e-07 au
i 1.502090349265621 7.8827e-06 deg
node 167.26494746962 0.00021141 deg
peri 321.0830938256369 0.00022765 deg
M 89.71825661585638 8.3033e-05 deg
tp 2458788.267101195425
(2019-Oct-31.76710120)
0.0003817 TDB
period 1654.109756111989
4.53
2.0889e-05
5.719e-08
d
yr
n .217639729570416 2.7485e-09 deg/d
Q 2.856331104513048 2.4048e-08 au
  Orbit Determination Parameters
   # obs. used (total)      214  
   data-arc span      6643 days (18.19 yr)  
   first obs. used      2002-02-09  
   last obs. used      2020-04-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .6075  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 00:40:15  

Additional Information
 Earth MOID = 1.63304 au 
 Jupiter MOID = 2.14871 au 
 T_jup = 3.350 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457339.5 (2015-Nov-13.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04457221704666002 6.0323e-08  
q 2.617063334815842 1.6299e-07 au
tp 2457140.814024785107
(2015-Apr-28.31402479)
0.00037057 TDB
node 167.2615078297876 0.00021149 deg
peri 322.7608316985055 0.00022669 deg
i 1.501215723278479 7.8819e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      214  
   data-arc span      6643 days (18.19 yr)  
   first obs. used      2002-02-09  
   last obs. used      2020-04-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .6075  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 00:40:15  

Additional Information
 Jupiter MOID = 2.14871 au 
 T_jup = 3.350 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.638806944653858E-15 -9.744222884810223E-15 6.519483309645866E-12 -1.04733552892655E-14 1.363410448143796E-12 -7.148662074987937E-16
q -9.744222884810223E-15 2.656463830631463E-14 -1.88405703962553E-11 2.486658541946483E-14 -3.947119401676292E-12 2.122546082815063E-15
tp 6.519483309645866E-12 -1.88405703962553E-11 1.373238837700165E-7 -3.472617095828845E-11 3.027234418315627E-8 -5.03133177588499E-12
node -1.04733552892655E-14 2.486658541946483E-14 -3.472617095828845E-11 4.472657934970135E-8 -4.471762728788856E-8 3.099863406637195E-10
peri 1.363410448143796E-12 -3.947119401676292E-12 3.027234418315627E-8 -4.471762728788856E-8 5.138939641835609E-8 -3.109485584912844E-10
i -7.148662074987937E-16 2.122546082815063E-15 -5.03133177588499E-12 3.099863406637195E-10 -3.109485584912844E-10 6.212504379724264E-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 17.05   n/a E2021B55  

227559 (2005 YW184)          Discovered 2005-Dec-27 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

[ 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
1949-May-09 00:41 00:06 Psych 0.0492443971294622 0.0492294388990564 0.0492593622999622 2.520614765636 2.52061466816176 2433045.528351498 5.49915793881803 1190.17489380761 109.177996141267 -51.6267960577776 52919.0896064034 T 15 CATAB v2.0f-lin.ifort 2021-Apr-14 00:40:15 2021-Apr-14 00:40
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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