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27944 (1997 MA3)
Classification: Main-belt Asteroid          SPK-ID: 2027944
[ 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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .174476364441142 3.8034e-08  
a 2.266380459127024 6.6046e-09 au
q 1.870950636178094 8.5e-08 au
i 5.168882252772618 4.322e-06 deg
node 69.09847128199583 3.9646e-05 deg
peri 282.5728084508429 4.141e-05 deg
M 89.11304897947633 1.2457e-05 deg
tp 2458292.013292838159
(2018-Jun-22.51329284)		 4.2735e-05 TDB
period 1246.228423896034
3.41		 5.4476e-06
1.491e-08		 d
yr
n .2888716009819021 1.2627e-09 deg/d
Q 2.661810282075953 7.757e-09 au
   Orbit Determination Parameters
   # obs. used (total)      1567  
   data-arc span      7954 days (21.78 yr)  
   first obs. used      1997-06-28  
   last obs. used      2019-04-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55032  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 01:06:23  

Additional Information
 Earth MOID = .872945 au 
 Jupiter MOID = 2.77294 au 
 T_jup = 3.590 
[ 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 14.5   n/a MPO365583  
diameter diameter 2.898 km 0.196 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.401   0.076 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

27944 (1997 MA3)          Discovered 1997-Jun-28 by LINEAR at Socorro
Reference: 20010902/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1997 MA3 = 1998 YH7 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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