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24958 (1997 SS31)
Classification: Main-belt Asteroid          SPK-ID: 2024958
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1676765554885831 3.0231e-08  
a 3.178115246437852 1.7159e-08 au
q 2.645219828969404 1.0247e-07 au
i 4.32115873277121 3.5897e-06 deg
node 237.7430093839833 6.4034e-05 deg
peri 200.5421619663398 6.578e-05 deg
M 306.0539060616555 1.4101e-05 deg
tp 2459510.606159880606
(2021-Oct-23.10615988)
8.1349e-05 TDB
period 2069.440239447374
5.67
1.6759e-05
4.588e-08
d
yr
n .1739600850209305 1.4088e-09 deg/d
Q 3.7110106639063 2.0036e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1828  
   data-arc span      14324 days (39.22 yr)  
   first obs. used      1981-11-25  
   last obs. used      2021-02-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50211  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:51:53  

Additional Information
 Earth MOID = 1.66079 au 
 Jupiter MOID = 1.56146 au 
 T_jup = 3.174 
[ 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 13.30   n/a MPCxxxxx  

24958 (1997 SS31)          Discovered 1997-Sep-28 by Zoltowski, F. B. at Woomera
Reference: 20010606/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1997 SS31 = 1981 WB9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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