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79014 (9520 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2079014
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1221640632352864 3.5263e-08  
a 2.44292907878816 8.9328e-09 au
q 2.144490936327764 8.5831e-08 au
i 3.334403536367346 4.5183e-06 deg
node 55.44053560058001 6.5828e-05 deg
peri 58.87824589483443 6.8499e-05 deg
M 127.6527038217593 1.8343e-05 deg
tp 2458505.970466721689
(2019-Jan-22.47046672)
7.0506e-05 TDB
period 1394.64834390641
3.82
7.6495e-06
2.094e-08
d
yr
n .2581295862666283 1.4158e-09 deg/d
Q 2.741367221248558 1.0024e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1120  
   data-arc span      21827 days (59.76 yr)  
   first obs. used      1960-10-17  
   last obs. used      2020-07-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52373  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:24:43  

Additional Information
 Earth MOID = 1.16322 au 
 Jupiter MOID = 2.34483 au 
 T_jup = 3.488 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456630.5 (2013-Dec-04.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .122498601844713 3.5323e-08  
q 2.143319645777864 8.6045e-08 au
tp 2457112.934192345599
(2015-Mar-31.43419235)
6.9234e-05 TDB
node 55.48041045831516 6.5826e-05 deg
peri 59.11672605049876 6.8475e-05 deg
i 3.334920281651518 4.5183e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1120  
   data-arc span      21827 days (59.76 yr)  
   first obs. used      1960-10-17  
   last obs. used      2020-07-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52373  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:24:43  

Additional Information
 Jupiter MOID = 2.34483 au 
 T_jup = 3.488 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.24774342225335E-15 -3.026515265896932E-15 -4.343683067613088E-13 1.125426522140896E-14 -1.320893806092915E-13 -6.378737655774063E-16
q -3.026515265896932E-15 7.403824308350397E-15 1.09182502739172E-12 -2.753797546233249E-14 3.240140044649617E-13 1.700130258980252E-15
tp -4.343683067613088E-13 1.09182502739172E-12 4.793394121046009E-9 -1.520811657985968E-11 1.317261225169289E-9 6.471112180228322E-13
node 1.125426522140896E-14 -2.753797546233249E-14 -1.520811657985968E-11 4.333023853308914E-9 -4.329272816656135E-9 1.072741056062729E-12
peri -1.320893806092915E-13 3.240140044649617E-13 1.317261225169289E-9 -4.329272816656135E-9 4.688878717563315E-9 -9.134574460087919E-13
i -6.378737655774063E-16 1.700130258980252E-15 6.471112180228322E-13 1.072741056062729E-12 -9.134574460087919E-13 2.041517782574005E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.3   n/a MPO381790  
diameter diameter 4.403 km 0.704 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.076   0.031 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

79014 (9520 P-L)          Discovered 1960-Oct-17 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 9520 P-L = 1999 YN9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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