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136929 (1998 MA16)
Classification: Main-belt Asteroid          SPK-ID: 2136929
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2095661448304965 5.8036e-08  
a 2.412821073142925 1.8935e-08 au
q 1.907175462678581 1.3419e-07 au
i 4.084117452050972 6.345e-06 deg
node 236.1710691535266 7.1323e-05 deg
peri 113.0070833681983 7.4261e-05 deg
M 231.0173917154246 2.8224e-05 deg
tp 2459490.972607022491
(2021-Oct-03.47260702)
0.00011227 TDB
period 1368.945324307047
3.75
1.6114e-05
4.412e-08
d
yr
n .2629761712230765 3.0956e-09 deg/d
Q 2.918466683607269 2.2903e-08 au
  Orbit Determination Parameters
   # obs. used (total)      359  
   data-arc span      9509 days (26.03 yr)  
   first obs. used      1994-04-14  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60831  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 22:41:50  

Additional Information
 Earth MOID = .905622 au 
 Jupiter MOID = 2.53177 au 
 T_jup = 3.485 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456834.5 (2014-Jun-26.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2087920248617938 5.7496e-08  
q 1.909450004654627 1.3278e-07 au
tp 2456749.222696987952
(2014-Apr-01.72269699)
8.5991e-05 TDB
node 236.413463033149 7.1485e-05 deg
peri 112.2247913826835 7.4432e-05 deg
i 4.078367252873354 6.3365e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      359  
   data-arc span      9509 days (26.03 yr)  
   first obs. used      1994-04-14  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60831  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 22:41:50  

Additional Information
 Jupiter MOID = 2.53177 au 
 T_jup = 3.485 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.305780416846469E-15 -7.592904231155009E-15 2.721746661648777E-12 -1.531057998335817E-14 6.137454674793317E-13 -1.997993968093455E-15
q -7.592904231155009E-15 1.763047962937738E-14 -5.558755183404453E-12 3.817028209665226E-14 -1.245822736455175E-12 4.363297517909202E-15
tp 2.721746661648777E-12 -5.558755183404453E-12 7.394529469843352E-9 -8.204117543137413E-12 1.803608858710425E-9 -4.246949584089601E-12
node -1.531057998335817E-14 3.817028209665226E-14 -8.204117543137413E-12 5.110050774616257E-9 -5.098083612908142E-9 -7.306427842808853E-11
peri 6.137454674793317E-13 -1.245822736455175E-12 1.803608858710425E-9 -5.098083612908142E-9 5.540174664927153E-9 7.182424362273838E-11
i -1.997993968093455E-15 4.363297517909202E-15 -4.246949584089601E-12 -7.306427842808853E-11 7.182424362273838E-11 4.015104164726228E-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 16.4   n/a MPO469441  
diameter diameter 1.186 km 0.093 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.379   0.069 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

136929 (1998 MA16)          Discovered 1998-Jun-20 by Spacewatch at Kitt Peak
Reference: 20061205/Numbers.arcLast Updated: 2006-12-13

Alternate Designations
 1998 MA16 = 1999 XS80 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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