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JPL Small-Body Database Browser
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59705 (1999 JM120)
Classification: Main-belt Asteroid          SPK-ID: 2059705
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06190071007047252 5.0609e-08  
a 2.621770451304183 1.9026e-08 au
q 2.459480998726671 1.3022e-07 au
i 15.11647569178267 5.4141e-06 deg
node 60.68741065627693 2.2188e-05 deg
peri 197.5783394437274 5.7281e-05 deg
M 330.0279680640333 5.5732e-05 deg
tp 2459129.593420878614
(2020-Oct-07.09342088)
0.00024046 TDB
period 1550.566595404306
4.25
1.6879e-05
4.621e-08
d
yr
n .2321731946676762 2.5273e-09 deg/d
Q 2.784059903881694 2.0204e-08 au
  Orbit Determination Parameters
   # obs. used (total)      532  
   data-arc span      7200 days (19.71 yr)  
   first obs. used      1999-05-13  
   last obs. used      2019-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .68045  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 03:40:04  

Additional Information
 Earth MOID = 1.44838 au 
 Jupiter MOID = 2.24189 au 
 T_jup = 3.353 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456937.5 (2014-Oct-07.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06220570909768444 5.0706e-08  
q 2.459855771304242 1.3069e-07 au
tp 2457572.528443877229
(2016-Jul-03.02844388)
0.00023424 TDB
node 60.78662836780154 2.218e-05 deg
peri 196.1202799150889 5.692e-05 deg
i 15.11786023513016 5.4141e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      532  
   data-arc span      7200 days (19.71 yr)  
   first obs. used      1999-05-13  
   last obs. used      2019-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .68045  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 03:40:04  

Additional Information
 Jupiter MOID = 2.24189 au 
 T_jup = 3.353 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.571125616078172E-15 -6.565975267557112E-15 2.973086094888973E-13 -1.037813157263326E-14 1.000509296563489E-13 1.039529224638512E-14
q -6.565975267557112E-15 1.70805686742285E-14 3.358547190553242E-13 2.444473567938595E-14 -3.945788818157153E-14 -2.531159263099532E-14
tp 2.973086094888973E-13 3.358547190553242E-13 5.486909148424897E-8 -1.515505664872454E-10 1.231508508419547E-8 3.67005598786529E-11
node -1.037813157263326E-14 2.444473567938595E-14 -1.515505664872454E-10 4.919451776569198E-10 -5.077817435639406E-10 6.213101277074326E-13
peri 1.000509296563489E-13 -3.945788818157153E-14 1.231508508419547E-8 -5.077817435639406E-10 3.239907271865931E-9 7.395842070957049E-12
i 1.039529224638512E-14 -2.531159263099532E-14 3.67005598786529E-11 6.213101277074326E-13 7.395842070957049E-12 2.931288835962835E-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 15.0   n/a MPO436199  

59705 (1999 JM120)          Discovered 1999-May-13 by LINEAR at Socorro
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 JM120 = 2001 XA43 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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