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160547 (1998 MG17)
Classification: Main-belt Asteroid          SPK-ID: 2160547
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1967481783089879 6.0199e-08  
a 2.720874385244985 1.8929e-08 au
q 2.185547306540447 1.6981e-07 au
i 10.41902053089721 6.2263e-06 deg
node 304.5447103217253 3.5039e-05 deg
peri 46.25892788894412 3.9335e-05 deg
M 281.6532511077902 1.7703e-05 deg
tp 2459357.262865785207
(2021-May-22.76286579)
8.288e-05 TDB
period 1639.310290454759
4.49
1.7107e-05
4.684e-08
d
yr
n .2196045508261483 2.2917e-09 deg/d
Q 3.256201463949523 2.2653e-08 au
  Orbit Determination Parameters
   # obs. used (total)      296  
   data-arc span      8481 days (23.22 yr)  
   first obs. used      1996-02-10  
   last obs. used      2019-05-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57755  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 12:19:21  

Additional Information
 Earth MOID = 1.19294 au 
 Jupiter MOID = 2.21415 au 
 T_jup = 3.307 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456947.5 (2014-Oct-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1961035102206883 5.9934e-08  
q 2.18696641867604 1.6851e-07 au
tp 2457720.564955546978
(2016-Nov-28.06495555)
7.4176e-05 TDB
node 304.5646902863642 3.5048e-05 deg
peri 46.65080543430472 3.9416e-05 deg
i 10.41729325387237 6.2253e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      296  
   data-arc span      8481 days (23.22 yr)  
   first obs. used      1996-02-10  
   last obs. used      2019-05-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57755  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 12:19:21  

Additional Information
 Jupiter MOID = 2.21415 au 
 T_jup = 3.307 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.592028632531643E-15 -1.006285875575694E-14 -9.073783713144417E-13 -1.572791936668886E-14 -2.211102860179997E-13 -9.23459976356874E-15
q -1.006285875575694E-14 2.839531546790388E-14 2.947702442351808E-12 4.232237962749429E-14 6.844604860818231E-13 2.616506597981282E-14
tp -9.073783713144417E-13 2.947702442351808E-12 5.502131592364037E-9 -2.556174671639724E-11 1.369517037037064E-9 -1.229409467230993E-11
node -1.572791936668886E-14 4.232237962749429E-14 -2.556174671639724E-11 1.228363570038863E-9 -1.213129086926919E-9 3.96556516335659E-11
peri -2.211102860179997E-13 6.844604860818231E-13 1.369517037037064E-9 -1.213129086926919E-9 1.553660270951696E-9 -4.210989890736432E-11
i -9.23459976356874E-15 2.616506597981282E-14 -1.229409467230993E-11 3.96556516335659E-11 -4.210989890736432E-11 3.875466641976779E-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 15.9   n/a MPO385711  
diameter diameter 4.736 km 1.109 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.029   0.038 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

160547 (1998 MG17)          Discovered 1998-Jun-27 by Spacewatch at Kitt Peak
Reference: 20070828/Numbers.arcLast Updated: 2007-08-30

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