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101213 (1998 SZ51)
Classification: Main-belt Asteroid          SPK-ID: 2101213
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07700716138337989 4.0644e-08  
a 2.946082469880554 1.9373e-08 au
q 2.719213021673716 1.1966e-07 au
i .9594797784278233 4.5438e-06 deg
node 282.876193851213 0.00026353 deg
peri 2.649547345489905 0.00026535 deg
M 210.3697088110333 3.3327e-05 deg
tp 2459968.184544248977
(2023-Jan-23.68454425)
0.00017389 TDB
period 1846.995242297637
5.06
1.8218e-05
4.988e-08
d
yr
n .1949111680180426 1.9225e-09 deg/d
Q 3.172951918087392 2.0864e-08 au
  Orbit Determination Parameters
   # obs. used (total)      643  
   data-arc span      10032 days (27.47 yr)  
   first obs. used      1993-09-23  
   last obs. used      2021-03-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5819  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:35:45  

Additional Information
 Earth MOID = 1.70086 au 
 Jupiter MOID = 1.93372 au 
 T_jup = 3.266 
[ 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 15.31   n/a E2021B55  

101213 (1998 SZ51)          Discovered 1998-Sep-28 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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Alternate Designations
 1998 SZ51 = 2003 SL173 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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