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15064 (1999 AC4)
Classification: Main-belt Asteroid          SPK-ID: 2015064
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 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1728344587134732 4.4716e-08  
a 3.157798086199873 1.9097e-08 au
q 2.612021763245076 1.448e-07 au
i 1.913826877272984 4.614e-06 deg
node 25.21230162712636 0.00012151 deg
peri 146.821494010682 0.00012204 deg
M 248.2116463766617 1.2806e-05 deg
tp 2459636.956933440165
(2022-Feb-26.45693344)
7.5822e-05 TDB
period 2049.627609781925
5.61
1.8592e-05
5.09e-08
d
yr
n .1756416620667513 1.5933e-09 deg/d
Q 3.70357440915467 2.2397e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1584  
   data-arc span      10616 days (29.07 yr)  
   first obs. used      1991-10-08  
   last obs. used      2020-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52724  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:36:01  

Additional Information
 Earth MOID = 1.61785 au 
 Jupiter MOID = 1.26288 au 
 T_jup = 3.182 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456615.5 (2013-Nov-19.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1728396495203977 4.4888e-08  
q 2.611508209918464 1.4542e-07 au
tp 2457591.941602516138
(2016-Jul-22.44160252)
6.7834e-05 TDB
node 25.2194726049709 0.00012147 deg
peri 147.4990550849149 0.000122 deg
i 1.915350702921315 4.6128e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1584  
   data-arc span      10616 days (29.07 yr)  
   first obs. used      1991-10-08  
   last obs. used      2020-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52724  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:36:01  

Additional Information
 Jupiter MOID = 1.26288 au 
 T_jup = 3.182 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.014952970882169E-15 -6.48979403416905E-15 -3.181466282446594E-13 -6.34755042845796E-16 1.969884325205096E-14 -4.464251196312409E-16
q -6.48979403416905E-15 2.114744007330971E-14 1.332010015317759E-12 9.393450659845945E-16 -3.650159259664973E-14 1.553111619194441E-15
tp -3.181466282446594E-13 1.332010015317759E-12 4.601446411637016E-9 -3.681878193143908E-12 7.754777710580343E-10 6.413811887655047E-13
node -6.34755042845796E-16 9.393450659845945E-16 -3.681878193143908E-12 1.475386516592069E-8 -1.47459684504171E-8 -6.495333227483819E-11
peri 1.969884325205096E-14 -3.650159259664973E-14 7.754777710580343E-10 -1.47459684504171E-8 1.488283205598008E-8 6.500772277061867E-11
i -4.464251196312409E-16 1.553111619194441E-15 6.413811887655047E-13 -6.495333227483819E-11 6.500772277061867E-11 2.127835148018625E-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 13.7   n/a MPO358777  
diameter diameter 9.087 km 0.174 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.085   0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

15064 (1999 AC4)          Discovered 1999-Jan-10 by Chesney, D. K. at High Point
Reference: 20000523/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 AC4 = 1997 UL17 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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