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115328 (2003 SR222)
Classification: Main-belt Asteroid          SPK-ID: 2115328
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 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .157434434597166 3.3532e-08  
a 3.110800114219785 1.6272e-08 au
q 2.621053057092794 1.0748e-07 au
i 2.830883575799115 3.9807e-06 deg
node 33.64578211839496 7.5136e-05 deg
peri 8.399872423478499 7.6321e-05 deg
M 39.66750607985486 1.2479e-05 deg
tp 2458979.679706682447
(2020-May-10.17970668)
6.921e-05 TDB
period 2004.040925443777
5.49
1.5724e-05
4.305e-08
d
yr
n .1796370500369304 1.4094e-09 deg/d
Q 3.600547171346776 1.8833e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1251  
   data-arc span      8123 days (22.24 yr)  
   first obs. used      1998-12-14  
   last obs. used      2021-03-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53555  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:43:04  

Additional Information
 Earth MOID = 1.62864 au 
 Jupiter MOID = 1.81266 au 
 T_jup = 3.198 
[ 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 14.34   n/a MPCxxxxx  
diameter diameter 6.667 km 0.096 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.100   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

115328 (2003 SR222)          Discovered 2003-Sep-28 by Juels, C. W., Holvorcem, P. R. at Fountain Hills
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2003 SR222 = 2002 QT40 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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