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308835 (2006 RU38)
Classification: Main-belt Asteroid          SPK-ID: 2308835
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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1816467200811763 5.8781e-08  
a 2.777114749297654 3.8975e-08 au
q 2.272660963798677 1.6651e-07 au
i 5.707780839699447 7.627e-06 deg
node 123.362736299697 6.9679e-05 deg
peri 280.7321506743383 7.3362e-05 deg
M 312.2133297946289 2.6409e-05 deg
tp 2459224.884799599311
(2021-Jan-10.38479960)
0.00012694 TDB
period 1690.398755732359
4.63
3.5586e-05
9.743e-08
d
yr
n .2129675017679667 4.4833e-09 deg/d
Q 3.281568534796631 4.6055e-08 au
  Orbit Determination Parameters
   # obs. used (total)      145  
   data-arc span      6089 days (16.67 yr)  
   first obs. used      2001-08-19  
   last obs. used      2018-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .66913  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-May-07 06:41:30  

Additional Information
 Earth MOID = 1.29022 au 
 Jupiter MOID = 2.14 au 
 T_jup = 3.303 
[ 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 16.6   n/a MPO440449  

308835 (2006 RU38)          Discovered 2006-Sep-14 by CSS at Catalina
Reference: 20111210/Numbers.arcLast Updated: 2011-12-12

[ 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
1994-Jun-17 00:11 00:06 Europ 0.0441461773888192 0.0441369021404272 0.0441554528637697 2.08926773479039 2.08926761955536 2449520.507449805 5.8096675506922 488.710145912755 112.602322388232 -19.8618206535301 23577.0083210571 T 8 CATAB v2.0e-lin.ifort 2018-May-07 06:41:32 2018-Dec-18 00:49
2014-Nov-15 13:05 00:04 Cybel 0.0339566644860021 0.0339480183773613 0.0339653107784614 3.48723131455751 3.48723126318743 2456977.045271001 4.37049434033314 449.96147873828 121.808840702096 -17.425639013336 16481.081053605 T 8 CATAB v2.0e-lin.ifort 2018-May-07 06:41:32 2018-Dec-18 00:49
2112-May-26 02:16 00:01 Hygie 0.0162066927868196 0.0161953870361384 0.0162182992912967 5.49401759674457 5.49401716281625 2492597.594627346 1.42590195263223 3595.42226599332 114.096367751072 81.0492998242442 20969.4621324789 T 8 CATAB v2.0e-lin.ifort 2018-May-07 06:41:32 2018-Dec-18 00:49
2132-Oct-06 15:31 00:07 Eunom 0.0384342531903987 0.0383613288595164 0.0385072547293453 5.85153973825988 5.85153967584254 2500036.146858226 6.94433187601245 4538.5691201522 57.7907870216953 36.7518842776524 59508.6034217258 T 8 CATAB v2.0e-lin.ifort 2018-May-07 06:41:32 2018-Dec-18 00:49
2149-Dec-01 21:37 00:13 Amphi 0.0331586289328122 0.0331036125178486 0.0332138807767422 3.88554209703439 3.88554205241487 2506301.400888374 13.013800309075 5193.91698329401 119.854846610093 -58.085089620327 35114.7903580256 T 8 CATAB v2.0e-lin.ifort 2018-May-07 06:41:32 2018-Dec-18 00:49

Alternate Designations
 2006 RU38 = 2008 DQ42 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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