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100612 (1997 SL25)
Classification: Main-belt Asteroid          SPK-ID: 2100612
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2002892260354371 3.1854e-08  
a 2.699602950319913 1.2822e-08 au
q 2.158901564797355 8.7983e-08 au
i 13.3730313004615 3.9394e-06 deg
node 178.7029493172008 1.5752e-05 deg
peri 175.877043068852 1.9974e-05 deg
M 49.60284446017604 9.9057e-06 deg
tp 2458777.270108104366
(2019-Oct-20.77010810)
4.4761e-05 TDB
period 1620.124046453585
4.44
1.1542e-05
3.16e-08
d
yr
n .2222052075506391 1.583e-09 deg/d
Q 3.240304335842471 1.539e-08 au
  Orbit Determination Parameters
   # obs. used (total)      998  
   data-arc span      8934 days (24.46 yr)  
   first obs. used      1996-05-14  
   last obs. used      2020-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5032  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:05:14  

Additional Information
 Earth MOID = 1.15467 au 
 Jupiter MOID = 2.21414 au 
 T_jup = 3.301 
[ 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 14.9   n/a MPO449610  
diameter diameter 2.830 km 0.662 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.242   0.168 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

100612 (1997 SL25)          Discovered 1997-Sep-29 by Shimizu, Y., Urata, T. at Nachi-Katsuura
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1997 SL25 = 2003 AT92 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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