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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2003819725949306 2.9641e-08  
a 2.700152603214582 1.1925e-08 au
q 2.159090698275107 8.0615e-08 au
i 13.37297656252941 3.5935e-06 deg
node 178.6956496521076 1.5438e-05 deg
peri 175.9315066070286 1.8678e-05 deg
M 93.9804435285338 9.1149e-06 deg
tp 2458777.426443937300
(2019-Oct-20.92644394)
4.0873e-05 TDB
period 1620.618869885727
4.44
1.0736e-05
2.939e-08
d
yr
n .2221373616520856 1.4716e-09 deg/d
Q 3.241214508154056 1.4315e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1073  
   data-arc span      9019 days (24.69 yr)  
   first obs. used      1996-05-14  
   last obs. used      2021-01-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49261  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 08:25:46  

Additional Information
 Earth MOID = 1.15318 au 
 Jupiter MOID = 2.21413 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 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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