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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2092482159374994 6.3049e-08  
a 2.413418266517434 2.0428e-08 au
q 1.908414799937689 1.4447e-07 au
i 4.084002215207089 6.9426e-06 deg
node 236.1766684995364 7.6545e-05 deg
peri 113.0283115522555 7.9446e-05 deg
M 125.807128034861 2.7319e-05 deg
tp 2458121.924934386738
(2018-Jan-03.42493439)
9.9091e-05 TDB
period 1369.453593861819
3.75
1.7387e-05
4.76e-08
d
yr
n .2628785682213667 3.3376e-09 deg/d
Q 2.91842173309718 2.4702e-08 au
  Orbit Determination Parameters
   # obs. used (total)      336  
   data-arc span      9052 days (24.78 yr)  
   first obs. used      1994-04-14  
   last obs. used      2019-01-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60543  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 05:39:30  

Additional Information
 Earth MOID = .905958 au 
 Jupiter MOID = 2.52832 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 16.3   n/a MPO453851  
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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