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JPL Small-Body Database Browser
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295537 (2008 RF138)
Classification: Outer Main-belt Asteroid          SPK-ID: 2295537
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1328610487859356 5.3511e-08  
a 3.204595391984512 7.4941e-08 au
q 2.778829487270873 1.6808e-07 au
i 21.8647619483803 1.3256e-05 deg
node 351.6194519236602 1.5421e-05 deg
peri 95.48625247812168 5.4407e-05 deg
M 211.6750118895705 5.3382e-05 deg
tp 2459463.816525286182
(2021-Sep-06.31652529)
0.00032517 TDB
period 2095.357991005778
5.74
7.3501e-05
2.012e-07
d
yr
n .171808350432376 6.0267e-09 deg/d
Q 3.630361296698151 8.4897e-08 au
  Orbit Determination Parameters
   # obs. used (total)      230  
   data-arc span      7475 days (20.47 yr)  
   first obs. used      1999-01-14  
   last obs. used      2019-07-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60539  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 05:43:19  

Additional Information
 Earth MOID = 1.89933 au 
 Jupiter MOID = 1.72478 au 
 T_jup = 3.067 
[ 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 15.2   n/a MPO360474  
diameter diameter 5.372 km 0.143 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.061   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

295537 (2008 RF138)          Discovered 2008-Sep-06 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
1951-Jul-04 13:23 00:07 Jupiter 1.9502395158321 1.95023402148121 1.95024501295823 6.85625904652544 6.79261759297365 2433832.057443103 7.27930934645615 3908.67435767775 86.9109712629675 -86.2066554830628 1301387.72968433 T 13 CATAB v2.0f-lin.ifort 2019-Sep-24 05:43:21 2019-Sep-24 05:43
1962-Sep-11 07:45 00:06 Jupiter 1.80745134077268 1.80744994963154 1.80745273192831 6.55995190800391 6.48812089931947 2437918.822842533 5.59966045003106 433.140963890013 53.6663036384263 -84.6244705376582 1379203.94554961 T 13 CATAB v2.0f-lin.ifort 2019-Sep-24 05:43:21 2019-Sep-24 05:43
1973-Nov-29 09:21 00:05 Jupiter 1.89667582626766 1.8966735597023 1.89667809294074 6.01679963768494 5.94211347762476 2442015.889766688 4.49496155421427 948.683757625463 71.0162153308132 -84.4767700917188 1463823.86492891 T 13 CATAB v2.0f-lin.ifort 2019-Sep-24 05:43:21 2019-Sep-24 05:43
2117-Jun-14 17:49 00:08 Jupiter 1.90254801582881 1.90254313303136 1.9025528993064 6.71685644630711 6.650244504094 2494443.242568523 7.86797508357361 1898.86290013007 68.2938333758265 -82.9563727579655 1440490.85546122 T 13 CATAB v2.0f-lin.ifort 2019-Sep-24 05:43:21 2019-Sep-24 05:43
2128-Aug-27 05:24 00:08 Jupiter 1.77452561918516 1.77452432925954 1.77452690913125 6.44203595818214 6.3675097631321 2498534.725086238 8.26363082227329 627.093873923051 54.7883550163248 86.866090942946 1560635.18375771 T 13 CATAB v2.0f-lin.ifort 2019-Sep-24 05:43:21 2019-Sep-24 05:43
2139-Nov-18 17:18 00:10 Jupiter 1.88687176392303 1.88686515454087 1.88687837358568 5.93769884497545 5.86160911747254 2502635.221094542 9.83566429693281 1266.16241081019 109.636177561415 -75.3603281645392 1269227.52011164 T 13 CATAB v2.0f-lin.ifort 2019-Sep-24 05:43:21 2019-Sep-24 05:43
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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