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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1245905316403245 3.6328e-08  
a 2.211572892466604 6.3037e-09 au
q 1.93603185003286 8.2271e-08 au
i 6.604028911548641 3.8045e-06 deg
node 335.1253172948135 2.5492e-05 deg
peri 355.2904492248779 2.8192e-05 deg
M 280.2559301400142 1.281e-05 deg
tp 2459266.600818265884
(2021-Feb-21.10081827)
4.3157e-05 TDB
period 1201.296782869457
3.29
5.1362e-06
1.406e-08
d
yr
n .2996761542473229 1.2813e-09 deg/d
Q 2.487113934900349 7.0891e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1738  
   data-arc span      11543 days (31.60 yr)  
   first obs. used      1988-11-09  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50718  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 17:46:35  

Additional Information
 Earth MOID = .925299 au 
 Jupiter MOID = 2.83037 au 
 T_jup = 3.638 
[ 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 14.4   n/a MPO319270  
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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