Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
243327 (2008 SQ195)
Classification: Main-belt Asteroid          SPK-ID: 2243327
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2065289571179129 8.0669e-08  
a 2.565872399874281 3.2377e-08 au
q 2.035945449030609 2.2576e-07 au
i 5.662770317413717 1.0895e-05 deg
node 39.33513677795913 9.6319e-05 deg
peri 38.94834715409503 0.00011959 deg
M 266.4043576182847 7.2716e-05 deg
tp 2459390.805021090361
(2021-Jun-25.30502109)
0.00030969 TDB
period 1501.24304953731
4.11
2.8415e-05
7.78e-08
d
yr
n .2398012767559214 4.5389e-09 deg/d
Q 3.095799350717953 3.9064e-08 au
  Orbit Determination Parameters
   # obs. used (total)      181  
   data-arc span      6793 days (18.60 yr)  
   first obs. used      2002-04-06  
   last obs. used      2020-11-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62522  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 05:39:36  

Additional Information
 Earth MOID = 1.05482 au 
 Jupiter MOID = 2.19036 au 
 T_jup = 3.395 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457737.5 (2016-Dec-15.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2068712061368289 8.4985e-08  
q 2.035146852367763 2.3974e-07 au
tp 2457884.434041763582
(2017-May-10.93404176)
0.0002826 TDB
node 39.50461794562305 9.5845e-05 deg
peri 37.90772554163742 0.00011916 deg
i 5.679507435458803 1.0925e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      181  
   data-arc span      6793 days (18.60 yr)  
   first obs. used      2002-04-06  
   last obs. used      2020-11-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62522  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 05:39:36  

Additional Information
 Jupiter MOID = 2.19036 au 
 T_jup = 3.395 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.22238028377606E-15 -2.031056063433345E-14 -1.873691419016928E-11 1.01608219888923E-13 -4.500552500171279E-12 -4.928183206372415E-14
q -2.031056063433345E-14 5.747604096323297E-14 5.514251838949878E-11 -3.04733245526194E-13 1.330761186012072E-11 1.462839801305674E-13
tp -1.873691419016928E-11 5.514251838949878E-11 7.986028700736175E-8 -4.626599714624647E-10 2.012356370105184E-8 2.164111699937207E-10
node 1.01608219888923E-13 -3.04733245526194E-13 -4.626599714624647E-10 9.186223557709247E-9 -9.253174938001211E-9 -8.068562552003125E-10
peri -4.500552500171279E-12 1.330761186012072E-11 2.012356370105184E-8 -9.253174938001211E-9 1.419992077773451E-8 8.561598137168883E-10
i -4.928183206372415E-14 1.462839801305674E-13 2.164111699937207E-10 -8.068562552003125E-10 8.561598137168883E-10 1.193503618240074E-10

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.1   n/a MPO440238  
diameter diameter 2.355 km 0.530 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.035   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

243327 (2008 SQ195)          Discovered 2008-Sep-25 by Spacewatch at Kitt Peak
Reference: 20100626/Numbers.arcLast Updated: 2010-06-28
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jan-23 21:44 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin