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487221 (2014 OT388)
Classification: Main-belt Asteroid          SPK-ID: 2487221
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1353564211749692 1.2027e-07  
a 2.551200274122318 3.6265e-08 au
q 2.205878935316521 3.0303e-07 au
i 1.677788148605366 5.2888e-06 deg
node 228.6837024378247 0.00068861 deg
peri 28.09476128043742 0.00069304 deg
M 198.4390408165181 0.00010091 deg
tp 2459668.458034876506
(2022-Mar-29.95803488)
0.00041927 TDB
period 1488.384902954495
4.07
3.1735e-05
8.689e-08
d
yr
n .2418729182789933 5.1572e-09 deg/d
Q 2.896521612928116 4.1173e-08 au
  Orbit Determination Parameters
   # obs. used (total)      71  
   data-arc span      5366 days (14.69 yr)  
   first obs. used      2005-03-11  
   last obs. used      2019-11-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63708  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 23:58:51  

Additional Information
 Earth MOID = 1.19107 au 
 Jupiter MOID = 2.14925 au 
 T_jup = 3.427 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457219.5 (2015-Jul-16.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1360043971474812 1.2104e-07  
q 2.203502631771496 3.0593e-07 au
tp 2456693.554377589812
(2014-Feb-05.05437759)
0.00041244 TDB
node 228.7182747572696 0.00068945 deg
peri 28.29975938050623 0.00069382 deg
i 1.67635687403678 5.2874e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      71  
   data-arc span      5366 days (14.69 yr)  
   first obs. used      2005-03-11  
   last obs. used      2019-11-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63708  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 23:58:51  

Additional Information
 Jupiter MOID = 2.14925 au 
 T_jup = 3.427 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.465112543128634E-14 -3.684045514906988E-14 4.351529251825928E-11 2.845886058056002E-12 8.628570836090023E-12 -2.155611004423242E-14
q -3.684045514906988E-14 9.35960777571162E-14 -1.113156787033394E-10 -7.217573525536555E-12 -2.20605216766845E-11 5.522277279417774E-14
tp 4.351529251825928E-11 -1.113156787033394E-10 1.701100907295471E-7 1.050393929764355E-8 3.467114887163463E-8 -7.725650164822921E-11
node 2.845886058056002E-12 -7.217573525536555E-12 1.050393929764355E-8 4.753418031162868E-7 -4.723487947186406E-7 2.995493901533592E-10
peri 8.628570836090023E-12 -2.20605216766845E-11 3.467114887163463E-8 -4.723487947186406E-7 4.813901844548527E-7 -3.198779196741527E-10
i -2.155611004423242E-14 5.522277279417774E-14 -7.725650164822921E-11 2.995493901533592E-10 -3.198779196741527E-10 2.795645335920403E-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 17.7   n/a MPO456348  

487221 (2014 OT388)          Discovered 2009-Feb-20 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2017-03-14
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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