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4510 Shawna (1930 XK)
Classification: Main-belt Asteroid          SPK-ID: 2004510
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1391619448219167 3.1283e-08  
a 2.360730131915026 6.1317e-09 au
q 2.032206335558031 7.5652e-08 au
i 7.044594694773644 3.2691e-06 deg
node 3.426686700573643 2.5408e-05 deg
peri 338.361118674251 2.7525e-05 deg
M 312.0101611080024 1.0736e-05 deg
tp 2459177.109773287794
(2020-Nov-23.60977329)		 3.962e-05 TDB
period 1324.853757619261
3.63		 5.1617e-06
1.413e-08		 d
yr
n .2717281042753834 1.0587e-09 deg/d
Q 2.689253928272021 6.985e-09 au
   Orbit Determination Parameters
   # obs. used (total)      2785  
   data-arc span      32846 days (89.93 yr)  
   first obs. used      1930-12-13  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41937  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 02:17:50  

Additional Information
 Earth MOID = 1.02637 au 
 Jupiter MOID = 2.70428 au 
 T_jup = 3.528 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456981.5 (2014-Nov-20.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1380840747784898 3.1174e-08  
q 2.035037119326057 7.5185e-08 au
tp 2456527.924441569810
(2013-Aug-23.42444157)		 3.9911e-05 TDB
node 3.497291381397636 2.5435e-05 deg
peri 338.3116218235877 2.76e-05 deg
i 7.040907327171565 3.2667e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      2785  
   data-arc span      32846 days (89.93 yr)  
   first obs. used      1930-12-13  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41937  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 02:17:50  

Additional Information
 Jupiter MOID = 2.70428 au 
 T_jup = 3.528 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.717930768766186E-16 -2.33849545979565E-15 -1.343765497101518E-13 5.883839202356923E-16 -4.462007552512227E-14 -1.622287676698562E-15
q -2.33849545979565E-15 5.652770038657848E-15 2.971409118539532E-13 -1.260790886471943E-15 1.028513864559068E-13 3.916386711945473E-15
tp -1.343765497101518E-13 2.971409118539532E-13 1.592849247928098E-9 8.59346255373273E-12 4.360397363999831E-10 4.473633982512599E-13
node 5.883839202356923E-16 -1.260790886471943E-15 8.59346255373273E-12 6.469411853013114E-10 -6.39472764246688E-10 -1.503463784682084E-11
peri -4.462007552512227E-14 1.028513864559068E-13 4.360397363999831E-10 -6.39472764246688E-10 7.617454393904611E-10 1.504778672358076E-11
i -1.622287676698562E-15 3.916386711945473E-15 4.473633982512599E-13 -1.503463784682084E-11 1.504778672358076E-11 1.06713560238252E-11

[ 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 12.9   n/a MPO384793  
diameter diameter 6.821 km 0.487 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.316   0.053 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

4510 Shawna (1930 XK)          Discovered 1930-Dec-13 by Tombaugh, C. W. at Flagstaff
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1930 XK = 1966 UC1 = 1977 TY3 = 1987 MJ1 = 1988 VP2 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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