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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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2002892262432168 3.198e-08  
a 2.699602950288208 1.2869e-08 au
q 2.158901564211078 8.8397e-08 au
i 13.37303157329347 3.9541e-06 deg
node 178.7029494672453 1.5759e-05 deg
peri 175.8770429135212 2.003e-05 deg
M 49.60284446452525 9.9429e-06 deg
tp 2458777.270108088726
(2019-Oct-20.77010809)		 4.494e-05 TDB
period 1620.124046425044
4.44		 1.1585e-05
3.172e-08		 d
yr
n .2222052075545536 1.5889e-09 deg/d
Q 3.240304336365338 1.5447e-08 au
   Orbit Determination Parameters
   # obs. used (total)      990  
   data-arc span      8619 days (23.60 yr)  
   first obs. used      1996-05-14  
   last obs. used      2019-12-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50482  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 01:08:16  

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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