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26972 (1997 SM3)
Classification: Main-belt Asteroid          SPK-ID: 2026972
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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09356705909298374 3.023e-08  
a 2.634613618882018 1.183e-08 au
q 2.388100570716905 7.9685e-08 au
i 14.66675225515058 4.7773e-06 deg
node 325.4159933832599 1.3271e-05 deg
peri 265.328116638641 2.9977e-05 deg
M 125.8296147359074 2.6753e-05 deg
tp 2458054.548338939825
(2017-Oct-28.04833894)
0.00011622 TDB
period 1561.974090075445
4.28
1.052e-05
2.88e-08
d
yr
n .2304775746841047 1.5523e-09 deg/d
Q 2.881126667047132 1.2937e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1871  
   data-arc span      10938 days (29.95 yr)  
   first obs. used      1989-11-19  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47804  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 04:56:49  

Additional Information
 Earth MOID = 1.43342 au 
 Jupiter MOID = 2.27083 au 
 T_jup = 3.346 
[ 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 13.3   n/a MPO416977  
diameter diameter 5.584 km 0.208 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.297   0.064 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

26972 (1997 SM3)          Discovered 1997-Sep-21 by Laurie, S. P. at Church Stretton
Reference: 20010804/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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