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14884 (1991 PH16)
Classification: Main-belt Asteroid          SPK-ID: 2014884
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1246341420103003 2.2126e-08  
a 2.212168780660936 5.8976e-09 au
q 1.936457022701288 4.993e-08 au
i 6.604665537328455 6.302e-07 deg
node 335.1150985307426 2.6217e-06 deg
peri 355.1495596287266 3.3232e-06 deg
M 340.3141505688122 5.4191e-06 deg
tp 2459266.216961284741
(2021-Feb-20.71696128)
1.826e-05 TDB
period 1201.782333305159
3.29
4.8059e-06
1.316e-08
d
yr
n .2995550775071913 1.1979e-09 deg/d
Q 2.487880538620583 6.6327e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1832  
   data-arc span      11609 days (31.78 yr)  
   first obs. used      1988-11-09  
   last obs. used      2020-08-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50253  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Mar-17 00:20:27  

Additional Information
 Earth MOID = .923772 au 
 Jupiter MOID = 2.8287 au 
 T_jup = 3.637 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.38   n/a E2021B10  
diameter diameter 3.761 km 0.151 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.261   0.052 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

14884 (1991 PH16)          Discovered 1991-Aug-07 by Holt, H. E. at Palomar
Reference: 20000523/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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