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70408 (1999 SH1)
Classification: Main-belt Asteroid          SPK-ID: 2070408
[ 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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2370609725949537 4.5977e-08  
a 2.434110393925204 7.6591e-09 au
q 1.85707781653781 1.129e-07 au
i 9.066143006126621 4.8729e-06 deg
node 191.8364888016906 2.4906e-05 deg
peri 174.1872450421863 2.6121e-05 deg
M 154.1655357295493 8.0181e-06 deg
tp 2458406.490174331309
(2018-Oct-14.99017433)		 3.003e-05 TDB
period 1387.10339005906
3.80		 6.5469e-06
1.792e-08		 d
yr
n .2595336458551024 1.225e-09 deg/d
Q 3.011142971312599 9.4748e-09 au
   Orbit Determination Parameters
   # obs. used (total)      901  
   data-arc span      7531 days (20.62 yr)  
   first obs. used      1999-09-04  
   last obs. used      2020-04-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48958  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 13:38:14  

Additional Information
 Earth MOID = .856073 au 
 Jupiter MOID = 2.45488 au 
 T_jup = 3.450 
[ 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 15.6   n/a MPO459317  
diameter diameter 3.231 km 0.725 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  
geometric albedo albedo 0.107   0.078 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  

70408 (1999 SH1)          Discovered 1999-Sep-16 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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