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187068 (2005 MM42)
Classification: Main-belt Asteroid          SPK-ID: 2187068
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1582411219459815 4.3733e-08  
a 2.227373766644623 8.2585e-09 au
q 1.874911642817731 1.0065e-07 au
i 5.009515420686945 5.1501e-06 deg
node 188.8632153969054 4.6743e-05 deg
peri 55.53262357680624 4.9491e-05 deg
M 276.1242967096159 1.57e-05 deg
tp 2459483.392706940735
(2021-Sep-25.89270694)
5.3417e-05 TDB
period 1214.19398590414
3.32
6.7529e-06
1.849e-08
d
yr
n .2964929856178861 1.649e-09 deg/d
Q 2.579835890471515 9.5654e-09 au
  Orbit Determination Parameters
   # obs. used (total)      375  
   data-arc span      8386 days (22.96 yr)  
   first obs. used      1998-05-01  
   last obs. used      2021-04-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54643  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 10:14:42  

Additional Information
 Earth MOID = .866137 au 
 Jupiter MOID = 2.43736 au 
 T_jup = 3.623 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457634.5 (2016-Sep-03.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1585263378107666 4.37e-08  
q 1.873957247053995 1.0059e-07 au
tp 2457055.634272750669
(2015-Feb-02.13427275)
5.0844e-05 TDB
node 188.8871205671005 4.6724e-05 deg
peri 55.56711953516484 4.9469e-05 deg
i 5.010667525701049 5.1518e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      375  
   data-arc span      8386 days (22.96 yr)  
   first obs. used      1998-05-01  
   last obs. used      2021-04-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54643  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 10:14:42  

Additional Information
 Jupiter MOID = 2.43736 au 
 T_jup = 3.623 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.90967024565298E-15 -4.387168091611451E-15 -3.900700246055531E-13 1.439507944320087E-14 -1.232215538831093E-13 -6.58465267768584E-15
q -4.387168091611451E-15 1.011765545742129E-14 8.878697634379927E-13 -3.314664378880713E-14 2.854139995980189E-13 1.536674349621468E-14
tp -3.900700246055531E-13 8.878697634379927E-13 2.58515677361166E-9 5.225558247964026E-12 8.374543782716486E-10 2.758284437787019E-12
node 1.439507944320087E-14 -3.314664378880713E-14 5.225558247964026E-12 2.183095249186447E-9 -2.171977982713885E-9 5.420807761411206E-12
peri -1.232215538831093E-13 2.854139995980189E-13 8.374543782716486E-10 -2.171977982713885E-9 2.447149345686623E-9 -4.522583523082989E-12
i -6.58465267768584E-15 1.536674349621468E-14 2.758284437787019E-12 5.420807761411206E-12 -4.522583523082989E-12 2.654133504860723E-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 17.34   n/a MPCxxxxx  

187068 (2005 MM42)          Discovered 2005-Jun-29 by Spacewatch at Kitt Peak
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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