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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2004512150823423 2.9532e-08  
a 2.700305903816874 1.1898e-08 au
q 2.159026304302759 8.0255e-08 au
i 13.37414353458614 3.5708e-06 deg
node 178.6894278883348 1.5342e-05 deg
peri 175.9660665119642 1.8507e-05 deg
M 137.4741767590032 9.0739e-06 deg
tp 2458777.577169980146
(2019-Oct-21.07716998)
4.0508e-05 TDB
period 1620.756887293421
4.44
1.0712e-05
2.933e-08
d
yr
n .222118445290818 1.468e-09 deg/d
Q 3.241585503330989 1.4283e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1085  
   data-arc span      9118 days (24.96 yr)  
   first obs. used      1996-05-14  
   last obs. used      2021-05-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49089  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 00:00:21  

Additional Information
 Earth MOID = 1.15397 au 
 Jupiter MOID = 2.21425 au 
 T_jup = 3.300 
[ 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 15.02   n/a MPCxxxxx  
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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