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15040 (1998 XC)
Classification: Main-belt Asteroid          SPK-ID: 2015040
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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1473575389748328 1.2426e-08  
a 2.256709199608985 5.846e-09 au
q 1.92416608577274 2.7837e-08 au
i 3.512586839904738 1.0531e-06 deg
node 260.6772258658974 1.8404e-05 deg
peri 95.25392225650803 1.9545e-05 deg
M 263.6082551328715 7.5437e-06 deg
tp 2459532.050102850785
(2021-Nov-13.55010285)
2.6532e-05 TDB
period 1238.259948409607
3.39
4.8116e-06
1.317e-08
d
yr
n .2907305533562446 1.1297e-09 deg/d
Q 2.589252313445229 6.7075e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2548  
   data-arc span      25483 days (69.77 yr)  
   first obs. used      1950-10-05  
   last obs. used      2020-07-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46989  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 00:45:41  

Additional Information
 Earth MOID = .921847 au 
 Jupiter MOID = 2.85291 au 
 T_jup = 3.606 
[ 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 13.7   n/a MPO467853  
diameter diameter 5.014 km 0.081 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 4.8627 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Pravec, P.; Wolf, M.; Sarounova, L. (2018) http://www.asu.cas.cz/~ppravec/neo.htm]
geometric albedo albedo 0.320   0.050 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

15040 (1998 XC)          Discovered 1998-Dec-01 by Beijing Schmidt CCD Asteroid Program at Xinglong
Reference: 20000523/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 XC = 1950 TL = 1974 VE1 = 1977 PC2 = 1984 UY2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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