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118246 (1997 SR15)
Classification: Main-belt Asteroid          SPK-ID: 2118246
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07059199720623303 5.6891e-08  
a 2.481779930470347 1.181e-08 au
q 2.306586128552099 1.4931e-07 au
i 4.094741128447211 3.4421e-06 deg
node 231.4931361647424 5.7659e-05 deg
peri 172.6885373728327 6.8988e-05 deg
M 322.2796006927628 4.1053e-05 deg
tp 2459350.129460458605
(2021-May-15.62946046)
0.00016352 TDB
period 1428.049722547946
3.91
1.0193e-05
2.791e-08
d
yr
n .2520920625632579 1.7994e-09 deg/d
Q 2.656973732388595 1.2643e-08 au
  Orbit Determination Parameters
   # obs. used (total)      789  
   data-arc span      9921 days (27.16 yr)  
   first obs. used      1993-10-08  
   last obs. used      2020-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55072  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 09:19:15  

Additional Information
 Earth MOID = 1.31451 au 
 Jupiter MOID = 2.60879 au 
 T_jup = 3.471 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.73   n/a E2021B55  

118246 (1997 SR15)          Discovered 1997-Sep-27 by ODAS at Caussols
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

[ show close-approach data ]
Alternate Designations
 1997 SR15 = 1993 TS3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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