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295536 (2008 RD138)
Classification: Main-belt Asteroid          SPK-ID: 2295536
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1120283507505718 6.3982e-08  
a 3.041372376495567 3.7735e-08 au
q 2.700652445138421 1.8694e-07 au
i 8.759273876183546 5.7396e-06 deg
node 271.7927877976555 3.5395e-05 deg
peri 30.81932874852414 4.4041e-05 deg
M 128.1702025110768 2.5141e-05 deg
tp 2458310.756856058298
(2018-Jul-11.25685606)
0.00013592 TDB
period 1937.326515478927
5.30
3.6055e-05
9.871e-08
d
yr
n .1858230902863601 3.4583e-09 deg/d
Q 3.382092307852712 4.1962e-08 au
  Orbit Determination Parameters
   # obs. used (total)      254  
   data-arc span      5944 days (16.27 yr)  
   first obs. used      2003-10-16  
   last obs. used      2020-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52821  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 16:40:45  

Additional Information
 Earth MOID = 1.68942 au 
 Jupiter MOID = 1.82216 au 
 T_jup = 3.213 
[ 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 15.5   n/a MPO455184  

295536 (2008 RD138)          Discovered 2008-Sep-06 by Mt. Lemmon Survey at Mount Lemmon
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
1930-Jul-27 07:57 00:05 Jupiter 1.8093879473301 1.80938720885311 1.80938868581438 3.42331954139627 3.28372709072568 2426184.831597127 4.68262860836205 337.978570789102 27.8438595438522 86.7619836292209 2321424.33567862 T 20 CATAB v2.0f-lin.ifort 2020-Feb-25 16:40:57 2020-Feb-25 16:41
1978-Jun-26 01:16 00:02 Jupiter 1.8466323203852 1.84663139493256 1.84663324583816 3.36705113673291 3.22795033882776 2443685.552655310 2.03291358112636 146.787993152843 42.0352196674958 85.8112507458217 2335829.47029449 T 20 CATAB v2.0f-lin.ifort 2020-Feb-25 16:40:57 2020-Feb-25 16:41
2026-May-28 09:00 < 00:01 Jupiter 1.92065569105713 1.92065513659174 1.92065624552252 3.25583427003137 3.11744172136468 2461188.875014788 0.716344673536989 150.601874003149 22.1030376834107 -87.6223871433232 2271674.53595447 T 20 CATAB v2.0f-lin.ifort 2020-Feb-25 16:40:57 2020-Feb-25 16:41
2035-Nov-06 19:23 00:01 Jupiter 1.99354329144474 1.99354244375104 1.99354413913878 3.66497509908139 3.54715049241289 2464638.307927489 1.19222306060051 74.8335268901075 21.24241314916 -64.2029161903419 2553519.76591063 T 20 CATAB v2.0f-lin.ifort 2020-Feb-25 16:40:57 2020-Feb-25 16:41
2083-Oct-15 15:44 00:04 Jupiter 1.90552841183955 1.90552685050078 1.90552997318894 3.59652180241924 3.47072804870771 2482148.155340226 3.88091677131195 254.832555041323 20.1922734909602 -74.0559107118502 2451655.48977501 T 20 CATAB v2.0f-lin.ifort 2020-Feb-25 16:40:57 2020-Feb-25 16:41
2131-Sep-19 17:12 00:06 Jupiter 1.84269118419822 1.84268964664774 1.84269272179154 3.55000389809414 3.41806899345153 2499653.216598951 6.44740045329596 484.243823733981 20.2409952611925 -82.0667917948911 2326198.87289285 T 20 CATAB v2.0f-lin.ifort 2020-Feb-25 16:40:57 2020-Feb-25 16:41
2179-Aug-19 03:01 00:09 Jupiter 1.82208667208404 1.82208601456613 1.82208732963375 3.4743140686367 3.33783316371294 2517153.625873787 9.0379015730667 662.0140223305 23.0459439123555 -89.2553905867069 2225038.42933208 T 20 CATAB v2.0f-lin.ifort 2020-Feb-25 16:40:57 2020-Feb-25 16:41
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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