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JPL Small-Body Database Browser
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243312 (2008 QE48)
Classification: Main-belt Asteroid          SPK-ID: 2243312
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02548286497300433 5.6429e-08  
a 3.12401813900347 3.3657e-08 au
q 3.044409206594028 1.7687e-07 au
i 14.98898939892174 6.9177e-06 deg
node 192.3917285792301 1.7691e-05 deg
peri 33.78903797793905 0.00011323 deg
M 89.07248676859784 0.00011102 deg
tp 2458101.489339447826
(2017-Dec-13.98933945)
0.00062196 TDB
period 2016.827466212782
5.52
3.2593e-05
8.923e-08
d
yr
n .1784981640873879 2.8846e-09 deg/d
Q 3.203627071412912 3.4515e-08 au
  Orbit Determination Parameters
   # obs. used (total)      243  
   data-arc span      7171 days (19.63 yr)  
   first obs. used      2000-03-04  
   last obs. used      2019-10-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5739  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 02:14:37  

Additional Information
 Earth MOID = 2.04727 au 
 Jupiter MOID = 1.76286 au 
 T_jup = 3.162 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457238.5 (2015-Aug-04.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02643297672259406 5.3312e-08  
q 3.041231109017709 1.6707e-07 au
tp 2458139.356421176142
(2018-Jan-20.85642118)
0.00064248 TDB
node 192.4494050667003 1.7667e-05 deg
peri 40.82470355988976 0.00011698 deg
i 14.9981236625206 6.9245e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      243  
   data-arc span      7171 days (19.63 yr)  
   first obs. used      2000-03-04  
   last obs. used      2019-10-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5739  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 02:14:37  

Additional Information
 Jupiter MOID = 1.76286 au 
 T_jup = 3.162 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.842154308822593E-15 -8.735328168628147E-15 -1.52455197261412E-11 -7.375744541126528E-15 -2.777665647358083E-12 -6.769276733136218E-15
q -8.735328168628147E-15 2.791084876810287E-14 4.684375799660764E-11 2.234126265584165E-14 8.44885205451167E-12 2.458147731809062E-14
tp -1.52455197261412E-11 4.684375799660764E-11 4.12776381986613E-7 1.522644592446775E-10 7.429479795012935E-8 -2.335392985357873E-11
node -7.375744541126528E-15 2.234126265584165E-14 1.522644592446775E-10 3.121128776963841E-10 -2.734149569175473E-10 -9.346978920786835E-12
peri -2.777665647358083E-12 8.44885205451167E-12 7.429479795012935E-8 -2.734149569175473E-10 1.368452698247675E-8 4.511516319609457E-12
i -6.769276733136218E-15 2.458147731809062E-14 -2.335392985357873E-11 -9.346978920786835E-12 4.511516319609457E-12 4.794820967091437E-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 15.5   n/a MPO454784  
diameter diameter 4.889 km 1.284 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.035   0.020 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

243312 (2008 QE48)          Discovered 2008-Aug-26 by LINEAR at Socorro
Reference: 20100626/Numbers.arcLast Updated: 2010-06-28

[ show close-approach data ]
Alternate Designations
 2008 QE48 = 2007 OC3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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