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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1658616252017664 2.9616e-08  
a 2.406693320235292 6.5896e-09 au
q 2.007515254778832 7.043e-08 au
i 2.927857453161717 3.0683e-06 deg
node 159.4298213975106 6.6775e-05 deg
peri 100.0246999578077 6.7508e-05 deg
M 139.4250946667642 9.7566e-06 deg
tp 2458672.336964476827
(2019-Jul-07.83696448)
3.6987e-05 TDB
period 1363.733646678076
3.73
5.6009e-06
1.533e-08
d
yr
n .2639811673466629 1.0842e-09 deg/d
Q 2.805871385691753 7.6825e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2026  
   data-arc span      25986 days (71.15 yr)  
   first obs. used      1949-11-23  
   last obs. used      2021-01-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50912  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 02:17:12  

Additional Information
 Earth MOID = .993106 au 
 Jupiter MOID = 2.25566 au 
 T_jup = 3.502 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457182.5 (2015-Jun-09.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1653379961811218 2.9609e-08  
q 2.008994769866348 7.0378e-08 au
tp 2457308.698640207001
(2015-Oct-13.19864021)
3.7926e-05 TDB
node 159.4648183285671 6.679e-05 deg
peri 100.1234155493575 6.7532e-05 deg
i 2.927298123788544 3.0682e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2026  
   data-arc span      25986 days (71.15 yr)  
   first obs. used      1949-11-23  
   last obs. used      2021-01-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50912  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 02:17:12  

Additional Information
 Jupiter MOID = 2.25566 au 
 T_jup = 3.502 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.767111363454879E-16 -2.077630831784556E-15 -4.314483809908677E-13 -4.081936603935218E-15 -1.20907040828099E-13 -6.517817014317015E-16
q -2.077630831784556E-15 4.953070482075232E-15 9.962007271643231E-13 1.037161870332238E-14 2.779758785727651E-13 1.576643961129438E-15
tp -4.314483809908677E-13 9.962007271643231E-13 1.438393688897608E-9 5.963123659942204E-12 3.915290088674442E-10 4.596381096176361E-13
node -4.081936603935218E-15 1.037161870332238E-14 5.963123659942204E-12 4.460944193353007E-9 -4.45327286567489E-9 5.692508355544095E-11
peri -1.20907040828099E-13 2.779758785727651E-13 3.915290088674442E-10 -4.45327286567489E-9 4.56058092534047E-9 -5.672994328468216E-11
i -6.517817014317015E-16 1.576643961129438E-15 4.596381096176361E-13 5.692508355544095E-11 -5.672994328468216E-11 9.413922466733847E-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

[ show close-approach data ]
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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