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108606 (2001 MG20)
Classification: Main-belt Asteroid          SPK-ID: 2108606
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1302112622207448 4.9031e-08  
a 2.275725638815027 1.2514e-08 au
q 1.979400530916812 1.1084e-07 au
i 4.232342342092339 6.5373e-06 deg
node 18.52145205048559 6.2378e-05 deg
peri 230.4777946711394 6.8568e-05 deg
M 214.9810570619874 3.3383e-05 deg
tp 2459505.626920753660
(2021-Oct-18.12692075)
0.0001191 TDB
period 1253.944400553563
3.43
1.0343e-05
2.832e-08
d
yr
n .2870940687968903 2.368e-09 deg/d
Q 2.572050746713242 1.4143e-08 au
  Orbit Determination Parameters
   # obs. used (total)      379  
   data-arc span      7791 days (21.33 yr)  
   first obs. used      1998-09-25  
   last obs. used      2020-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65525  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 03:10:37  

Additional Information
 Earth MOID = .968949 au 
 Jupiter MOID = 2.45631 au 
 T_jup = 3.594 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456998.5 (2014-Dec-07.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1301799527827228 4.8928e-08  
q 1.979139806954794 1.1057e-07 au
tp 2456998.593179552023
(2014-Dec-07.09317955)
0.00010626 TDB
node 18.54469493221757 6.2336e-05 deg
peri 230.6039296077203 6.8559e-05 deg
i 4.234407047087967 6.539e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      379  
   data-arc span      7791 days (21.33 yr)  
   first obs. used      1998-09-25  
   last obs. used      2020-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65525  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 03:10:37  

Additional Information
 Jupiter MOID = 2.45631 au 
 T_jup = 3.594 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.393939686389626E-15 -5.384235896968729E-15 -5.735061930877841E-13 -6.441372365141741E-15 -2.131690501200053E-13 1.364989302540519E-15
q -5.384235896968729E-15 1.222493460545626E-14 1.957667838164521E-12 1.347277462420213E-14 6.519831898177025E-13 -3.001674227437116E-15
tp -5.735061930877841E-13 1.957667838164521E-12 1.129029987087945E-8 -2.051304833220856E-11 3.044516344194181E-9 -3.814248346524149E-12
node -6.441372365141741E-15 1.347277462420213E-14 -2.051304833220856E-11 3.885790076942582E-9 -3.879478005899016E-9 9.69418387042141E-12
peri -2.131690501200053E-13 6.519831898177025E-13 3.044516344194181E-9 -3.879478005899016E-9 4.700274856231653E-9 -1.070465761980545E-11
i 1.364989302540519E-15 -3.001674227437116E-15 -3.814248346524149E-12 9.69418387042141E-12 -1.070465761980545E-11 4.275793078816585E-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 16.6   n/a MPO432610  

108606 (2001 MG20)          Discovered 2001-Jun-25 by NEAT at Palomar
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 2001 MG20 = 1998 TN27 = 2001 OY109 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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