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JPL Small-Body Database Browser
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109958 (2001 SD48)
Classification: Outer Main-belt Asteroid          SPK-ID: 2109958
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 .1081747935035829 4.4053e-08  
a 3.244084045041632 3.0446e-08 au
q 2.893155923360986 1.3875e-07 au
i 6.303438304007506 5.281e-06 deg
node 65.35501514415614 5.2849e-05 deg
peri 221.4498477479115 5.9693e-05 deg
M 144.0913906031996 2.8562e-05 deg
tp 2458146.275340550150
(2018-Jan-27.77534055)
0.00016761 TDB
period 2134.207159182746
5.84
3.0044e-05
8.226e-08
d
yr
n .1686809073107295 2.3746e-09 deg/d
Q 3.595012166722278 3.3739e-08 au
  Orbit Determination Parameters
   # obs. used (total)      555  
   data-arc span      6645 days (18.19 yr)  
   first obs. used      2001-09-16  
   last obs. used      2019-11-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62129  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 10:18:57  

Additional Information
 Earth MOID = 1.8807 au 
 Jupiter MOID = 1.55235 au 
 T_jup = 3.164 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456805.5 (2014-May-28.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .113748663138441 4.4585e-08  
q 2.869781391155581 1.414e-07 au
tp 2456007.643983390669
(2012-Mar-21.14398339)
0.00015596 TDB
node 65.70564374569314 5.2914e-05 deg
peri 220.086349352222 5.8968e-05 deg
i 6.304838948325817 5.2759e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      555  
   data-arc span      6645 days (18.19 yr)  
   first obs. used      2001-09-16  
   last obs. used      2019-11-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62129  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 10:18:57  

Additional Information
 Jupiter MOID = 1.55235 au 
 T_jup = 3.164 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.987845126783177E-15 -6.197681917500588E-15 3.895832518768813E-13 8.690700661946108E-15 8.262210206896118E-14 -1.387100147090362E-15
q -6.197681917500588E-15 1.999339754841365E-14 -1.549847726551747E-12 -2.979313742106466E-14 -2.632606089750769E-13 6.077615275121879E-15
tp 3.895832518768813E-13 -1.549847726551747E-12 2.432349409814215E-8 1.036956638771494E-11 4.108940576323253E-9 1.876431488839498E-12
node 8.690700661946108E-15 -2.979313742106466E-14 1.036956638771494E-11 2.799906420842276E-9 -2.780147346724562E-9 -5.508566824253447E-11
peri 8.262210206896118E-14 -2.632606089750769E-13 4.108940576323253E-9 -2.780147346724562E-9 3.477181913509917E-9 5.500510266751346E-11
i -1.387100147090362E-15 6.077615275121879E-15 1.876431488839498E-12 -5.508566824253447E-11 5.500510266751346E-11 2.783557227578609E-11

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 14.6   n/a MPO453561  
diameter diameter 4.949 km 1.979 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.104   0.053 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

109958 (2001 SD48)          Discovered 2001-Sep-16 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ 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
2039-May-10 10:12 00:01 Jupiter 1.95356894648256 1.95356827548586 1.95356961747926 2.76904827949883 2.60777192687926 2465918.924761556 1.24542411905702 74.5035832326583 16.1911343148504 -79.1552091216213 2320289.25302239 T 20 CATAB v2.0f-lin.ifort 2019-Dec-04 10:19:00 2019-Dec-04 10:19
2050-Dec-08 17:26 00:02 Jupiter 1.89157573975389 1.89157496588497 1.89157651362325 2.56546968262697 2.38454633665973 2470149.226142064 1.84364149508843 89.2545619843106 12.0483500289413 -77.6077638811347 2225059.14346164 T 20 CATAB v2.0f-lin.ifort 2019-Dec-04 10:19:00 2019-Dec-04 10:19
2062-Jul-23 17:51 00:02 Jupiter 1.84847033535077 1.8484694516867 1.848471219016 2.45037593386157 2.25563393105476 2474394.244081498 2.48599336785083 107.850569010445 8.6251353189961 -76.7390865465668 2269740.55398926 T 20 CATAB v2.0f-lin.ifort 2019-Dec-04 10:19:00 2019-Dec-04 10:19
2074-Mar-20 16:24 00:03 Jupiter 1.81629464771456 1.81629366983562 1.81629562559558 2.38956309547154 2.18570788009938 2478652.183471793 3.19007585741722 130.398331127893 6.3418468736746 -76.1495548067969 2406743.98041716 T 20 CATAB v2.0f-lin.ifort 2019-Dec-04 10:19:00 2019-Dec-04 10:19
2085-Nov-22 17:40 00:04 Jupiter 1.79135448901787 1.7913534546582 1.79135552338111 2.3639721430145 2.15468930780905 2482917.236222376 3.98753491568021 156.612536526466 5.33379217480967 -75.656298630126 2607457.39427928 T 20 CATAB v2.0f-lin.ifort 2019-Dec-04 10:19:00 2019-Dec-04 10:19
2097-Jul-31 12:41 00:05 Jupiter 1.77225687321655 1.77225582402624 1.7722579224124 2.36583971463484 2.15437433286479 2487186.028631113 4.92161116786599 185.964784495657 5.52758056806192 -75.1760980372594 2817496.50412434 T 20 CATAB v2.0f-lin.ifort 2019-Dec-04 10:19:00 2019-Dec-04 10:19
2109-Apr-07 01:57 00:06 Jupiter 1.75773861690546 1.75773761837406 1.75773961544476 2.39530586759002 2.18488587695645 2491452.581594532 6.04161976132021 217.103878976668 6.52995939343334 -74.8314472271952 2975562.93445401 T 20 CATAB v2.0f-lin.ifort 2019-Dec-04 10:19:00 2019-Dec-04 10:19
2120-Dec-05 21:55 00:07 Jupiter 1.75597776527295 1.75597690204528 1.75597862851041 2.47451133470694 2.27122786234498 2495713.413255363 7.38682689728546 244.063458495432 8.06122554414177 -74.9729134633194 2990350.25781969 T 20 CATAB v2.0f-lin.ifort 2019-Dec-04 10:19:00 2019-Dec-04 10:19
2132-Jul-25 18:52 00:09 Jupiter 1.76285062084778 1.76285003757741 1.76285120412617 2.60399190750022 2.41242714334635 2499963.286331101 9.00687942495117 259.653585513531 9.69311224220661 -76.4661711258912 2718951.82344201 T 20 CATAB v2.0f-lin.ifort 2019-Dec-04 10:19:00 2019-Dec-04 10:19
2144-Feb-25 10:14 00:11 Jupiter 1.78151319820008 1.78151270252059 1.78151369388139 2.80542799204899 2.63049879291064 2504194.926186746 10.9067161387894 247.600580397885 11.8269895045924 -80.7964090314094 2127072.37396413 T 20 CATAB v2.0f-lin.ifort 2019-Dec-04 10:19:00 2019-Dec-04 10:19
2155-Sep-05 05:19 00:13 Jupiter 1.81416071235493 1.81415936435903 1.81416206035474 3.09490896451395 2.94018223138212 2508404.721373261 13.0439909343217 186.195284144749 18.2784317275668 88.373473134511 1322326.62634475 T 20 CATAB v2.0f-lin.ifort 2019-Dec-04 10:19:00 2019-Dec-04 10:19
2167-Feb-18 16:27 00:15 Jupiter 1.86679671778759 1.86679402535544 1.86679941021709 3.4966893354628 3.36442794657277 2512589.185320159 15.2785391551847 85.2707519763438 59.4130040918653 15.0872844148998 384617.878450786 T 20 CATAB v2.0f-lin.ifort 2019-Dec-04 10:19:00 2019-Dec-04 10:19
2178-Jul-12 00:34 00:17 Jupiter 1.94215775269043 1.94215366855742 1.94216183683492 4.00191053945177 3.89140579105491 2516750.523528863 17.3946127351762 319.792895678535 30.8433700364579 -59.7807983402214 1526158.10417489 T 20 CATAB v2.0f-lin.ifort 2019-Dec-04 10:19:00 2019-Dec-04 10:19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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