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136928 (1998 MO15)
Classification: Main-belt Asteroid          SPK-ID: 2136928
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09952315968066321 3.062e-08  
a 2.189583742459458 7.3502e-09 au
q 1.971669450024482 6.6232e-08 au
i 5.344847390841803 3.308e-06 deg
node 80.09337980077387 4.3727e-05 deg
peri 17.45488645273239 4.9114e-05 deg
M 64.24372963322183 2.1477e-05 deg
tp 2458789.312109807354
(2019-Nov-01.81210981)		 7.0597e-05 TDB
period 1183.425073597178
3.24		 5.9589e-06
1.631e-08		 d
yr
n .3042017682671977 1.5317e-09 deg/d
Q 2.407498034894435 8.0817e-09 au
   Orbit Determination Parameters
   # obs. used (total)      725  
   data-arc span      8510 days (23.30 yr)  
   first obs. used      1997-01-09  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54405  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 22:41:50  

Additional Information
 Earth MOID = .989183 au 
 Jupiter MOID = 2.7134 au 
 T_jup = 3.662 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457143.5 (2015-May-01.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09889922081450742 3.0595e-08  
q 1.973374414855083 6.615e-08 au
tp 2457605.798000535831
(2016-Aug-05.29800054)		 7.1531e-05 TDB
node 80.12528670555761 4.3752e-05 deg
peri 17.47613471805155 4.9218e-05 deg
i 5.343306158059876 3.3065e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      725  
   data-arc span      8510 days (23.30 yr)  
   first obs. used      1997-01-09  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54405  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 22:41:50  

Additional Information
 Jupiter MOID = 2.7134 au 
 T_jup = 3.662 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.360516285347112E-16 -2.014016407230338E-15 2.877537792041313E-13 9.731680488749481E-15 5.910611007008541E-14 -6.898156652356149E-16
q -2.014016407230338E-15 4.375853734580413E-15 -6.722291907194581E-13 -2.096334882124427E-14 -1.489815025532056E-13 1.592523381566058E-15
tp 2.877537792041313E-13 -6.722291907194581E-13 5.116748915194599E-9 1.080572773641153E-11 1.625204850299297E-9 -1.535869658257932E-12
node 9.731680488749481E-15 -2.096334882124427E-14 1.080572773641153E-11 1.914273385924415E-9 -1.902695048944464E-9 3.238611436906495E-12
peri 5.910611007008541E-14 -1.489815025532056E-13 1.625204850299297E-9 -1.902695048944464E-9 2.422378743683883E-9 -3.703849720692588E-12
i -6.898156652356149E-16 1.592523381566058E-15 -1.535869658257932E-12 3.238611436906495E-12 -3.703849720692588E-12 1.093311005075225E-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 16.5   n/a MPO453851  

136928 (1998 MO15)          Discovered 1998-Jun-20 by Spacewatch at Kitt Peak
Reference: 20061205/Numbers.arcLast Updated: 2006-12-13

[ show close-approach data ]
Alternate Designations
 1998 MO15 = 2004 CE85 = 2004 DU77 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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