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JPL Small-Body Database Browser
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441685 (2008 YW89)
Classification: Main-belt Asteroid          SPK-ID: 2441685
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1699960872910841 5.653e-08  
a 2.471031535349627 3.2304e-08 au
q 2.05096584276731 1.5307e-07 au
i 2.328242248439052 1.1947e-05 deg
node 112.0267767450106 0.00021372 deg
peri 309.7105420322976 0.00021813 deg
M 265.5544183687158 4.2638e-05 deg
tp 2458972.715970670117
(2020-May-03.21597067)
0.00017012 TDB
period 1418.782616685762
3.88
2.7822e-05
7.617e-08
d
yr
n .2537386600076552 4.9757e-09 deg/d
Q 2.891097227931944 3.7796e-08 au
  Orbit Determination Parameters
   # obs. used (total)      81  
   data-arc span      4900 days (13.42 yr)  
   first obs. used      2006-04-26  
   last obs. used      2019-09-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63636  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 15:58:48  

Additional Information
 Earth MOID = 1.06455 au 
 Jupiter MOID = 2.42601 au 
 T_jup = 3.463 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457385.5 (2015-Dec-29.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1692923689102291 5.5695e-08  
q 2.053352407939244 1.5098e-07 au
tp 2457550.118815341505
(2016-Jun-10.61881534)
0.00016532 TDB
node 112.1043521023813 0.00021432 deg
peri 308.9608402133322 0.00021879 deg
i 2.326819100003265 1.1936e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      81  
   data-arc span      4900 days (13.42 yr)  
   first obs. used      2006-04-26  
   last obs. used      2019-09-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63636  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 15:58:48  

Additional Information
 Jupiter MOID = 2.42601 au 
 T_jup = 3.463 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.101902503925979E-15 -8.298739624542906E-15 1.906700287933987E-12 2.967254963141337E-14 5.705289079800083E-13 1.34960744147502E-15
q -8.298739624542906E-15 2.279420139154265E-14 -3.93610593889263E-12 -6.94273738358028E-14 -1.246091052607341E-12 -1.886619502902822E-15
tp 1.906700287933987E-12 -3.93610593889263E-12 2.732950610844121E-8 6.815500793330703E-11 7.35934255214721E-9 1.621768558700656E-11
node 2.967254963141337E-14 -6.94273738358028E-14 6.815500793330703E-11 4.593305966737471E-8 -4.587616736632527E-8 1.740875961711458E-9
peri 5.705289079800083E-13 -1.246091052607341E-12 7.35934255214721E-9 -4.587616736632527E-8 4.78684389750463E-8 -1.735129514645682E-9
i 1.34960744147502E-15 -1.886619502902822E-15 1.621768558700656E-11 1.740875961711458E-9 -1.735129514645682E-9 1.424608708708312E-10

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 MPO349182  

441685 (2008 YW89)          Discovered 2008-Dec-21 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-09-02

Alternate Designations
 2008 YW89 = 2013 CN211 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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