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JPL Small-Body Database Browser
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193809 (2001 PQ27)
Classification: Main-belt Asteroid          SPK-ID: 2193809
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1560247155421925 6.2619e-08  
a 2.2095786986492 1.3274e-08 au
q 1.864829810724371 1.4212e-07 au
i 4.578201849363036 6.3967e-06 deg
node 284.8954794718023 5.366e-05 deg
peri 6.996922280066924 5.5714e-05 deg
M 172.6484597320912 1.351e-05 deg
tp 2458025.162282626246
(2017-Sep-28.66228263)
4.4576e-05 TDB
period 1199.672320135113
3.28
1.0811e-05
2.96e-08
d
yr
n .3000819423419347 2.7042e-09 deg/d
Q 2.55432758657403 1.5346e-08 au
  Orbit Determination Parameters
   # obs. used (total)      312  
   data-arc span      7942 days (21.74 yr)  
   first obs. used      1997-04-11  
   last obs. used      2019-01-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63152  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 09:25:50  

Additional Information
 Earth MOID = .84803 au 
 Jupiter MOID = 2.61219 au 
 T_jup = 3.638 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456508.5 (2013-Aug-04.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1566365461001686 6.268e-08  
q 1.862967257566388 1.4231e-07 au
tp 2456825.786070481836
(2014-Jun-17.28607048)
4.5247e-05 TDB
node 284.9759491073585 5.3632e-05 deg
peri 7.004496012208468 5.5665e-05 deg
i 4.579674903367013 6.3998e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      312  
   data-arc span      7942 days (21.74 yr)  
   first obs. used      1997-04-11  
   last obs. used      2019-01-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63152  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 09:25:50  

Additional Information
 Jupiter MOID = 2.61219 au 
 T_jup = 3.638 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.928830477959126E-15 -8.89504173780996E-15 8.662612151798652E-13 7.088774073025891E-15 1.937894232878591E-13 -6.260105205941629E-15
q -8.89504173780996E-15 2.025210602178463E-14 -2.020894682733367E-12 -1.574850305305162E-14 -4.685911898320969E-13 1.473150902200762E-14
tp 8.662612151798652E-13 -2.020894682733367E-12 2.0472650192437E-9 -2.191720089652469E-12 6.816479147150874E-10 -4.069829641230241E-12
node 7.088774073025891E-15 -1.574850305305162E-14 -2.191720089652469E-12 2.876378688459567E-9 -2.867466224165633E-9 1.29144435203558E-10
peri 1.937894232878591E-13 -4.685911898320969E-13 6.816479147150874E-10 -2.867466224165633E-9 3.098618218185195E-9 -1.300105418917753E-10
i -6.260105205941629E-15 1.473150902200762E-14 -4.069829641230241E-12 1.29144435203558E-10 -1.300105418917753E-10 4.095794543065687E-11

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 16.9   n/a MPO418041  
diameter diameter 1.713 km 0.249 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.115   0.070 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

193809 (2001 PQ27)          Discovered 2001-Aug-11 by NEAT at Haleakala
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17

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