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22714 (1998 SR2)
Classification: Outer Main-belt Asteroid          SPK-ID: 2022714
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 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2059742917608967 2.7533e-08  
a 3.200894167530526 2.1302e-08 au
q 2.541592258371841 8.6836e-08 au
i 27.01127830559198 1.2003e-06 deg
node 338.1678973643056 2.0464e-06 deg
peri 266.4163558718755 4.6948e-06 deg
M 97.49333720537648 8.9225e-06 deg
tp 2458634.028799206987
(2019-May-30.52879921)
4.829e-05 TDB
period 2091.728913288634
5.73
2.0881e-05
5.717e-08
d
yr
n .1721064320108311 1.718e-09 deg/d
Q 3.860196076689211 2.5689e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2176  
   data-arc span      8586 days (23.51 yr)  
   first obs. used      1997-08-11  
   last obs. used      2021-02-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .39334  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:10:22  

Additional Information
 Earth MOID = 1.69984 au 
 Jupiter MOID = 1.77601 au 
 T_jup = 2.993 
[ 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 12.79   n/a E2021B10  
diameter diameter 15.944 km 4.837 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  
geometric albedo albedo 0.063   0.057 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  

22714 (1998 SR2)          Discovered 1998-Sep-18 by CSS at Catalina
Reference: 20010309/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 SR2 = 1999 YK22 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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