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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1119820806814732 6.4984e-08  
a 3.040145281376328 3.8758e-08 au
q 2.699703487193844 1.9164e-07 au
i 8.759309857144039 5.8826e-06 deg
node 271.7931640311089 3.6919e-05 deg
peri 30.60819813477821 4.5474e-05 deg
M 54.04216057257036 2.5323e-05 deg
tp 2458309.850127587336
(2018-Jul-10.35012759)
0.00013673 TDB
period 1936.154161121145
5.30
3.7025e-05
1.014e-07
d
yr
n .1859356074164772 3.5557e-09 deg/d
Q 3.380587075558812 4.3098e-08 au
  Orbit Determination Parameters
   # obs. used (total)      241  
   data-arc span      5893 days (16.13 yr)  
   first obs. used      2003-10-16  
   last obs. used      2019-12-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5274  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 18:31:03  

Additional Information
 Earth MOID = 1.68766 au 
 Jupiter MOID = 1.82132 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 1.80938770335177 1.80938696460551 1.80938844210563 3.42331906768138 3.28372657765022 2426184.831147581 4.82126356151437 348.226073310344 28.0080146369842 86.8724935180494 2274253.42608699 T 19 CATAB v2.0f-lin.ifort 2019-Dec-14 18:31:15 2019-Dec-14 18:31
1978-Jun-26 01:16 00:02 Jupiter 1.84663214720008 1.84663121976508 1.84663307463539 3.36705051329975 3.22794967520268 2443685.552521300 2.08787456443553 149.553108625717 42.2666607355812 85.7660941397926 2281927.39847089 T 19 CATAB v2.0f-lin.ifort 2019-Dec-14 18:31:15 2019-Dec-14 18:31
2026-May-28 09:00 < 00:01 Jupiter 1.92065574311943 1.92065517001167 1.92065631622718 3.25583338786991 3.11744080387604 2461188.875195893 0.742687570772965 152.940474926268 23.1052055013159 -87.2811231642269 2225602.1830865 T 19 CATAB v2.0f-lin.ifort 2019-Dec-14 18:31:15 2019-Dec-14 18:31
2035-Nov-06 19:24 00:01 Jupiter 1.99354288935391 1.99354200642257 1.9935437722857 3.66497418946845 3.54714952842608 2464638.308145389 1.2434552287824 79.0512217937923 21.4347744158108 -64.1647399818983 2526735.30676694 T 19 CATAB v2.0f-lin.ifort 2019-Dec-14 18:31:15 2019-Dec-14 18:31
2083-Oct-15 15:44 00:04 Jupiter 1.90552786802579 1.90552625854783 1.90552947751534 3.59652094938348 3.4707271282038 2482148.155867582 4.01516369029739 264.031457094678 20.2384482162389 -74.0842130115546 2450781.27529758 T 19 CATAB v2.0f-lin.ifort 2019-Dec-14 18:31:15 2019-Dec-14 18:31
2131-Sep-19 17:13 00:07 Jupiter 1.84269068577347 1.84268911378456 1.84269225780825 3.55000291538527 3.41806793643533 2499653.217407717 6.65963905729309 499.898826213743 20.34819983966 -82.1221923835575 2316384.82614435 T 19 CATAB v2.0f-lin.ifort 2019-Dec-14 18:31:15 2019-Dec-14 18:31
2179-Aug-19 03:03 00:09 Jupiter 1.82208642811643 1.82208577057727 1.82208708568764 3.47431263520959 3.33783165302663 2517153.626974831 9.32898055313737 682.05316347095 23.4105317291221 -89.3331836105381 2197307.17549879 T 19 CATAB v2.0f-lin.ifort 2019-Dec-14 18:31:15 2019-Dec-14 18:31
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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