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295414 (2008 JU31)
Classification: Main-belt Asteroid          SPK-ID: 2295414
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08828509686721439 7.008e-08  
a 3.159003392086888 4.3283e-08 au
q 2.880110471612638 2.2058e-07 au
i 21.96299466123547 7.8475e-06 deg
node 99.68333368945164 1.8164e-05 deg
peri 122.9401541677601 4.8421e-05 deg
M 59.56088721913772 4.2186e-05 deg
tp 2458661.201278773027
(2019-Jun-26.70127877)
0.00024086 TDB
period 2050.801211075018
5.61
4.2149e-05
1.154e-07
d
yr
n .1755411485305736 3.6078e-09 deg/d
Q 3.437896312561137 4.7105e-08 au
  Orbit Determination Parameters
   # obs. used (total)      308  
   data-arc span      7551 days (20.67 yr)  
   first obs. used      1999-10-13  
   last obs. used      2020-06-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53192  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 05:17:54  

Additional Information
 Earth MOID = 1.91895 au 
 Jupiter MOID = 1.79981 au 
 T_jup = 3.087 
[ 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 14.9   n/a MPO260565  
diameter diameter 7.671 km 0.270 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.030   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

295414 (2008 JU31)          Discovered 2008-May-05 by CSS at Catalina
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1978-May-14 08:30 00:02 Jupiter 1.9782899632151 1.97828825267445 1.97829167377971 6.17226411959849 6.10250165916671 2443642.854133539 2.27859101234836 378.611582119947 28.5752857025118 -77.8755290883193 2599626.052352 T 11 CATAB v2.0f-lin.ifort 2020-Jun-24 05:18:10 2020-Jun-24 05:18
1989-Feb-18 10:00 00:02 Jupiter 1.85718799952591 1.857187137689 1.85718886136293 5.40019830438538 5.31507157100552 2447575.916969697 1.76688964163937 252.183851375922 42.2905483996969 89.0675030675864 1900261.75204785 T 11 CATAB v2.0f-lin.ifort 2020-Jun-24 05:18:10 2020-Jun-24 05:18
2084-Sep-09 20:00 00:03 Jupiter 1.86221487241032 1.86221358871631 1.86221615614646 5.96109427280929 5.88429700866347 2482478.333354990 3.42017443475611 530.27347720211 32.9491552064342 -84.2727338753272 2368941.27655965 T 11 CATAB v2.0f-lin.ifort 2020-Jun-24 05:18:10 2020-Jun-24 05:18
2095-Jun-01 11:47 00:05 Jupiter 1.93436283738084 1.93436032404614 1.93436535072389 4.80777974068086 4.71582253612378 2486394.991198412 4.88077689722814 295.015917984668 91.5749422378161 68.8374508899263 1151684.61403637 T 11 CATAB v2.0f-lin.ifort 2020-Jun-24 05:18:10 2020-Jun-24 05:18
2191-Jan-07 09:09 00:09 Jupiter 1.81041867436136 1.81041777499245 1.81041957378831 5.68525236141882 5.60235435995881 2521312.881232942 9.17408007534515 1206.00377923506 39.8179926423362 88.7910202721321 2132056.45731995 T 11 CATAB v2.0f-lin.ifort 2020-Jun-24 05:18:10 2020-Jun-24 05:18
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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