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JPL Small-Body Database Browser
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469331 (2000 GM144)
Classification: Main-belt Asteroid          SPK-ID: 2469331
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1490022425058428 5.3329e-08  
a 2.453300073870174 2.0964e-08 au
q 2.087752861323768 1.3368e-07 au
i 2.597102758259064 7.3784e-06 deg
node 21.77510846910369 0.00018564 deg
peri 209.5381703496986 0.00018884 deg
M 325.8458706693119 3.5736e-05 deg
tp 2458733.657352770277
(2019-Sep-07.15735277)
0.00013989 TDB
period 1403.538838105523
3.84
1.7991e-05
4.926e-08
d
yr
n .2564945053361851 3.2878e-09 deg/d
Q 2.81884728641658 2.4088e-08 au
  Orbit Determination Parameters
   # obs. used (total)      66  
   data-arc span      6966 days (19.07 yr)  
   first obs. used      2000-03-29  
   last obs. used      2019-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65375  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 15:33:41  

Additional Information
 Earth MOID = 1.07766 au 
 Jupiter MOID = 2.17431 au 
 T_jup = 3.478 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457337.5 (2015-Nov-11.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1486344499155433 5.3377e-08  
q 2.088743772053038 1.3382e-07 au
tp 2457328.647366492051
(2015-Nov-02.14736649)
0.00013516 TDB
node 21.78816877057264 0.00018559 deg
peri 209.2602787944419 0.00018881 deg
i 2.59755938122111 7.3789e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      66  
   data-arc span      6966 days (19.07 yr)  
   first obs. used      2000-03-29  
   last obs. used      2019-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65375  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 15:33:41  

Additional Information
 Jupiter MOID = 2.17431 au 
 T_jup = 3.478 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.849081889935215E-15 -7.079010691823462E-15 -1.232996489052337E-12 -3.14871332017589E-14 -2.194417196867312E-13 9.883043533736062E-16
q -7.079010691823462E-15 1.790705813855257E-14 3.563220545048559E-12 8.109321606304388E-14 6.717122988007889E-13 -2.294482226263262E-15
tp -1.232996489052337E-12 3.563220545048559E-12 1.82669184705817E-8 9.711665835331653E-11 4.766687566344387E-9 -2.919201475561467E-12
node -3.14871332017589E-14 8.109321606304388E-14 9.711665835331653E-11 3.444522527260127E-8 -3.43842794434761E-8 -5.389314559773589E-10
peri -2.194417196867312E-13 6.717122988007889E-13 4.766687566344387E-9 -3.43842794434761E-8 3.564756185650328E-8 5.376902139808275E-10
i 9.883043533736062E-16 -2.294482226263262E-15 -2.919201475561467E-12 -5.389314559773589E-10 5.376902139808275E-10 5.44476425301039E-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 18.0   n/a MPO434686  

469331 (2000 GM144)          Discovered 2000-Mar-29 by Spacewatch at Kitt Peak
Reference: Last Updated: 2016-08-22

Alternate Designations
 2000 GM144 = 2015 DC65 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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