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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 
[ show covariance matrix ]

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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