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JPL Small-Body Database Browser
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245661 (2005 YX280)
Classification: Main-belt Asteroid          SPK-ID: 2245661
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1205453771030396 4.2926e-08  
a 2.239420927804627 1.0932e-08 au
q 1.96946908756998 9.6081e-08 au
i 2.830317921129118 4.7439e-06 deg
node 284.37446005 0.00010716 deg
peri 154.8789795391533 0.00010961 deg
M 138.0894610402251 2.2321e-05 deg
tp 2458530.973553455559
(2019-Feb-16.47355346)
7.5209e-05 TDB
period 1224.058081498059
3.35
8.9627e-06
2.454e-08
d
yr
n .2941036911903848 2.1535e-09 deg/d
Q 2.509372768039275 1.2249e-08 au
  Orbit Determination Parameters
   # obs. used (total)      216  
   data-arc span      8838 days (24.20 yr)  
   first obs. used      1996-02-16  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52628  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 13:07:53  

Additional Information
 Earth MOID = .985541 au 
 Jupiter MOID = 2.68888 au 
 T_jup = 3.624 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457217.5 (2015-Jul-14.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1198360643454504 4.2866e-08  
q 1.971253326483946 9.588e-08 au
tp 2457307.216445139819
(2015-Oct-11.71644514)
7.4863e-05 TDB
node 284.46041620938 0.00010715 deg
peri 154.9953896896911 0.00010964 deg
i 2.830270841298658 4.7437e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      216  
   data-arc span      8838 days (24.20 yr)  
   first obs. used      1996-02-16  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52628  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 13:07:53  

Additional Information
 Jupiter MOID = 2.68888 au 
 T_jup = 3.624 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.837511893243009E-15 -4.089217239094524E-15 -3.96605005415894E-13 5.136133239749177E-15 -1.405769780096626E-13 -5.589873581109433E-16
q -4.089217239094524E-15 9.192975915586762E-15 9.22229373543545E-13 -1.179891812697852E-14 3.223049398235375E-13 1.306292707651475E-15
tp -3.96605005415894E-13 9.22229373543545E-13 5.604487535977834E-9 1.068046812662487E-12 1.764108206342796E-9 7.829266473302371E-13
node 5.136133239749177E-15 -1.179891812697852E-14 1.068046812662487E-12 1.148100881186172E-8 -1.146600620080951E-8 -1.109159222672242E-11
peri -1.405769780096626E-13 3.223049398235375E-13 1.764108206342796E-9 -1.146600620080951E-8 1.202016707811345E-8 1.133022050496535E-11
i -5.589873581109433E-16 1.306292707651475E-15 7.829266473302371E-13 -1.109159222672242E-11 1.133022050496535E-11 2.250275759342061E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.9   n/a MPO413143  

245661 (2005 YX280)          Discovered 2005-Dec-25 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20100726/Numbers.arcLast Updated: 2010-07-28

Alternate Designations
 2005 YX280 = 2006 BD271 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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