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14287 (2777 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2014287
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1658616258850687 2.9605e-08  
a 2.4066933199867 6.5266e-09 au
q 2.007515252926972 7.0412e-08 au
i 2.927857952834838 2.9727e-06 deg
node 159.4298228004362 6.6657e-05 deg
peri 100.0246995795397 6.736e-05 deg
M 139.4250934812935 9.474e-06 deg
tp 2458672.336969049399
(2019-Jul-07.83696905)
3.5966e-05 TDB
period 1363.733646466782
3.73
5.5474e-06
1.519e-08
d
yr
n .2639811673875636 1.0738e-09 deg/d
Q 2.805871387046428 7.6091e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2042  
   data-arc span      26003 days (71.19 yr)  
   first obs. used      1949-11-23  
   last obs. used      2021-02-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50893  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 00:23:54  

Additional Information
 Earth MOID = .993106 au 
 Jupiter MOID = 2.25566 au 
 T_jup = 3.502 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457236.5 (2015-Aug-02.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1653375084480485 2.9594e-08  
q 2.008961091693613 7.0356e-08 au
tp 2457308.727066020330
(2015-Oct-13.22706602)
3.7042e-05 TDB
node 159.4652221789866 6.6672e-05 deg
peri 100.1339265938129 6.7385e-05 deg
i 2.927309840283413 2.9727e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2042  
   data-arc span      26003 days (71.19 yr)  
   first obs. used      1949-11-23  
   last obs. used      2021-02-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50893  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 00:23:54  

Additional Information
 Jupiter MOID = 2.25566 au 
 T_jup = 3.502 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.757916859297694E-16 -2.075986933987307E-15 -4.361272150522791E-13 -4.782923532345635E-15 -1.212576019693589E-13 -7.677979132050984E-16
q -2.075986933987307E-15 4.949905209854077E-15 1.003483637224764E-12 1.205384640586033E-14 2.780876065066116E-13 1.853119707573674E-15
tp -4.361272150522791E-13 1.003483637224764E-12 1.372078856641948E-9 6.366680115681431E-12 3.752858110199766E-10 5.530539975410714E-13
node -4.782923532345635E-15 1.205384640586033E-14 6.366680115681431E-12 4.445138525695649E-9 -4.43736924057264E-9 5.422938173985982E-11
peri -1.212576019693589E-13 2.780876065066116E-13 3.752858110199766E-10 -4.43736924057264E-9 4.5406916209692E-9 -5.401165004913308E-11
i -7.677979132050984E-16 1.853119707573674E-15 5.530539975410714E-13 5.422938173985982E-11 -5.401165004913308E-11 8.836699175047444E-12

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 14.5   n/a MPO492910  
diameter diameter 3.235 km 0.418 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.387   0.072 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

14287 (2777 P-L)          Discovered 1960-Sep-24 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20000320/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 2777 P-L = 1989 GQ 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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