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46810 (1998 KK47)
Classification: Main-belt Asteroid          SPK-ID: 2046810
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1705382543788111 3.0575e-08  
a 2.274808526163711 8.3671e-09 au
q 1.886866651065716 6.7837e-08 au
i 7.467921549085742 3.4011e-06 deg
node 90.32621779987434 3.533e-05 deg
peri 179.4408978238793 3.7801e-05 deg
M 135.7491390312771 1.396e-05 deg
tp 2458527.947265138171
(2019-Feb-13.44726514)
4.8422e-05 TDB
period 1253.186471488872
3.43
6.9141e-06
1.893e-08
d
yr
n .2872677037219332 1.5849e-09 deg/d
Q 2.662750401261706 9.794e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1319  
   data-arc span      8234 days (22.54 yr)  
   first obs. used      1998-04-25  
   last obs. used      2020-11-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49971  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 03:48:12  

Additional Information
 Earth MOID = .870729 au 
 Jupiter MOID = 2.43163 au 
 T_jup = 3.579 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457083.5 (2015-Mar-02.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1702386285028324 3.0524e-08  
q 1.88746273695642 6.7692e-08 au
tp 2457275.216998801157
(2015-Sep-09.71699880)
4.8871e-05 TDB
node 90.34176305603445 3.5346e-05 deg
peri 179.5476460458888 3.7834e-05 deg
i 7.466339731611499 3.4003e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1319  
   data-arc span      8234 days (22.54 yr)  
   first obs. used      1998-04-25  
   last obs. used      2020-11-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49971  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 03:48:12  

Additional Information
 Jupiter MOID = 2.43163 au 
 T_jup = 3.579 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.317357625310726E-16 -2.056208759599645E-15 -2.281458074332957E-13 -9.00163814537225E-15 -5.987180623731282E-14 -4.377087113568675E-16
q -2.056208759599645E-15 4.582164282662145E-15 4.813679860033289E-13 1.993419586118698E-14 1.232708554550683E-13 1.036182655952318E-15
tp -2.281458074332957E-13 4.813679860033289E-13 2.388378106316967E-9 2.586029038438251E-11 6.8349533894931E-10 -5.418339161734914E-13
node -9.00163814537225E-15 1.993419586118698E-14 2.586029038438251E-11 1.249324506858017E-9 -1.230932041475636E-9 -1.170580937181538E-11
peri -5.987180623731282E-14 1.232708554550683E-13 6.8349533894931E-10 -1.230932041475636E-9 1.431424272916348E-9 1.14525778037703E-11
i -4.377087113568675E-16 1.036182655952318E-15 -5.418339161734914E-13 -1.170580937181538E-11 1.14525778037703E-11 1.156201083743413E-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 15.2   n/a MPO502467  
diameter diameter 3.160 km 0.351 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 2.02 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 lower-limit; Incomplete or inconclusive result.
Published Reference List:
[Erasmus, N.; McNeill, A.; Mommert, M.; Trilling, D.E.; et al. (2018) Ap. J. Suppl. Series 237, A19.]
[Erasmus, N.; McNeill, A.; Mommert, N.; Trilling, D.E.; et al. (2019) Ap. J. Suppl. Series 242, A15.]
geometric albedo albedo 0.194   0.044 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46810 (1998 KK47)          Discovered 1998-May-22 by LINEAR at Socorro
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 KK47 = 1999 XM41 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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