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14855 (1989 SP9)
Classification: Main-belt Asteroid          SPK-ID: 2014855
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08215523588985141 1.3822e-08  
a 2.801032051562283 1.2356e-08 au
q 2.570912602631149 4.037e-08 au
i 5.774779359576966 6.7554e-07 deg
node 184.4834614405204 3.0378e-06 deg
peri 240.7029209908879 1.4294e-05 deg
M 183.6558549567006 1.6454e-05 deg
tp 2460039.253003844859
(2023-Apr-04.75300384)
8.107e-05 TDB
period 1712.282998168202
4.69
1.133e-05
3.102e-08
d
yr
n .210245619669837 1.3911e-09 deg/d
Q 3.031151500493416 1.3371e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2057  
   data-arc span      11248 days (30.80 yr)  
   first obs. used      1989-09-25  
   last obs. used      2020-07-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48354  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 00:40:48  

Additional Information
 Earth MOID = 1.58932 au 
 Jupiter MOID = 2.22395 au 
 T_jup = 3.313 
[ show covariance matrix ]

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 13.59   n/a E2021B10  
diameter diameter 5.528 km 0.170 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.252   0.069 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

14855 (1989 SP9)          Discovered 1989-Sep-25 by Debehogne, H. at La Silla
Reference: 20000523/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1989 SP9 = 1998 QH16 = 2000 AN104 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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