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351457 (2005 MA22)
Classification: Main-belt Asteroid          SPK-ID: 2351457
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2066416662708483 5.3338e-08  
a 2.72658229898979 2.124e-08 au
q 2.16315678950194 1.4795e-07 au
i 4.105153232635212 7.0308e-06 deg
node 119.968569722009 7.3121e-05 deg
peri 114.6132494209889 7.8085e-05 deg
M 158.5506399607156 2.117e-05 deg
tp 2458276.244433453545
(2018-Jun-06.74443345)
9.5728e-05 TDB
period 1644.471469943773
4.50
1.9216e-05
5.261e-08
d
yr
n .2189153211714333 2.5581e-09 deg/d
Q 3.290007808477641 2.563e-08 au
  Orbit Determination Parameters
   # obs. used (total)      168  
   data-arc span      7096 days (19.43 yr)  
   first obs. used      2000-04-29  
   last obs. used      2019-10-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53139  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 10:48:29  

Additional Information
 Earth MOID = 1.15573 au 
 Jupiter MOID = 1.7234 au 
 T_jup = 3.321 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456936.5 (2014-Oct-06.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2062594438803543 5.3161e-08  
q 2.164965971045266 1.4735e-07 au
tp 2456632.558183192992
(2013-Dec-06.05818319)
9.7447e-05 TDB
node 120.0080630343984 7.3139e-05 deg
peri 114.7965432991909 7.8144e-05 deg
i 4.104329746958034 7.0292e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      168  
   data-arc span      7096 days (19.43 yr)  
   first obs. used      2000-04-29  
   last obs. used      2019-10-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53139  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 10:48:29  

Additional Information
 Jupiter MOID = 1.7234 au 
 T_jup = 3.321 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.826085261667929E-15 -7.781416404494694E-15 -1.725539542866226E-12 -2.352872969488756E-14 -5.979171966287497E-13 -9.782999920181447E-15
q -7.781416404494694E-15 2.171327399528403E-14 4.449438948930345E-12 7.09853954335465E-14 1.577181060707909E-12 2.840973214942102E-14
tp -1.725539542866226E-12 4.449438948930345E-12 9.495880608806702E-9 -2.218672050396805E-12 2.691165536844607E-9 6.441934168530439E-12
node -2.352872969488756E-14 7.09853954335465E-14 -2.218672050396805E-12 5.349266584006914E-9 -5.333842820647318E-9 4.684177518086036E-11
peri -5.979171966287497E-13 1.577181060707909E-12 2.691165536844607E-9 -5.333842820647318E-9 6.106502555354512E-9 -4.424988861828293E-11
i -9.782999920181447E-15 2.840973214942102E-14 6.441934168530439E-12 4.684177518086036E-11 -4.424988861828293E-11 4.940907733811321E-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 16.9   n/a MPO450319  

351457 (2005 MA22)          Discovered 2005-Jun-30 by Spacewatch at Kitt Peak
Reference: 20130127/Numbers.arcLast Updated: 2013-01-31

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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