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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1355733190975538 1.7685e-07  
a 2.550491395328991 3.6706e-08 au
q 2.204712811534489 4.5236e-07 au
i 1.678039366261519 5.2968e-06 deg
node 228.6857958822606 0.00076763 deg
peri 27.98227075631799 0.00077623 deg
M 101.7979885691444 0.00016194 deg
tp 2458179.801545124675
(2018-Mar-02.30154512)
0.00066988 TDB
period 1487.764600105496
4.07
3.2118e-05
8.793e-08
d
yr
n .2419737638430654 5.2237e-09 deg/d
Q 2.896269979123494 4.1683e-08 au
  Orbit Determination Parameters
   # obs. used (total)      67  
   data-arc span      4903 days (13.42 yr)  
   first obs. used      2005-03-11  
   last obs. used      2018-08-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60421  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 15:29:36  

Additional Information
 Earth MOID = 1.18961 au 
 Jupiter MOID = 2.14918 au 
 T_jup = 3.427 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457194.5 (2015-Jun-21.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1359932479980752 1.7929e-07  
q 2.203557152505899 4.6068e-07 au
tp 2456693.557488583139
(2014-Feb-05.05748858)
0.00067234 TDB
node 228.7191107451746 0.00076871 deg
peri 28.30227551112438 0.00077719 deg
i 1.676328916320043 5.2946e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      67  
   data-arc span      4903 days (13.42 yr)  
   first obs. used      2005-03-11  
   last obs. used      2018-08-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60421  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 15:29:36  

Additional Information
 Jupiter MOID = 2.14918 au 
 T_jup = 3.427 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.214581906427378E-14 -8.239666195978779E-14 1.137450432462749E-10 8.918177800545824E-12 2.127012205625303E-11 -5.282548244068356E-14
q -8.239666195978779E-14 2.122245742427583E-13 -2.941939868534479E-10 -2.298208322351739E-11 -5.502685590865396E-11 1.366678880956684E-13
tp 1.137450432462749E-10 -2.941939868534479E-10 4.520395767420854E-7 3.46384535425728E-8 8.566119958677097E-8 -2.028890689995183E-10
node 8.918177800545824E-12 -2.298208322351739E-11 3.46384535425728E-8 5.90913125735265E-7 -5.814429017760987E-7 3.375020043346094E-10
peri 2.127012205625303E-11 -5.502685590865396E-11 8.566119958677097E-8 -5.814429017760987E-7 6.040252223599298E-7 -3.912875963893576E-10
i -5.282548244068356E-14 1.366678880956684E-13 -2.028890689995183E-10 3.375020043346094E-10 -3.912875963893576E-10 2.803286572583866E-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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