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JPL Small-Body Database Browser
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13228 (1997 SJ25)
Classification: Main-belt Asteroid          SPK-ID: 2013228
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1632537071797355 3.2999e-08  
a 3.160853252327063 1.5977e-08 au
q 2.644832241033546 1.0329e-07 au
i 2.996685136898911 3.2459e-06 deg
node 79.77099038805808 8.4974e-05 deg
peri 211.3106426477213 8.586e-05 deg
M 73.7871147461009 1.2186e-05 deg
tp 2458579.789883732289
(2019-Apr-06.28988373)
6.9669e-05 TDB
period 2052.602847767258
5.62
1.5563e-05
4.261e-08
d
yr
n .1753870703198109 1.3298e-09 deg/d
Q 3.67687426362058 1.8585e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2188  
   data-arc span      10336 days (28.30 yr)  
   first obs. used      1991-09-15  
   last obs. used      2020-01-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50941  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 20:34:59  

Additional Information
 Earth MOID = 1.62918 au 
 Jupiter MOID = 1.51017 au 
 T_jup = 3.182 
[ 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 12.9   n/a MPO502269  
diameter diameter 12.507 km 0.149 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 25.385 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.113   0.026 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

13228 (1997 SJ25)          Discovered 1997-Sep-29 by Shimizu, Y., Urata, T. at Nachi-Katsuura
Reference: 20000124/Numbers.arcLast Updated: 2004-04-19

[ 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
1932-Jul-23 07:19 00:02 Jupiter 1.92446005865419 1.92445880573712 1.92446131157159 2.47541699517528 2.29072455804026 2426911.804848784 2.26200592703891 90.2486947979034 12.6436218507738 -72.3527205132616 1952317.53750621 T 29 CATAB v2.0f-lin.ifort 2020-Feb-22 20:35:13 2020-Feb-22 20:35
1943-Apr-07 07:48 00:02 Jupiter 1.63073447847575 1.63073365512341 1.63073530182801 1.58756743279514 1.21718816019943 2430821.824735370 1.90749348174946 113.39900413005 70.9226429914324 75.2147041200191 1787350.60982739 T 29 CATAB v2.0f-lin.ifort 2020-Feb-22 20:35:13 2020-Feb-22 20:35
1953-Dec-26 11:59 00:02 Jupiter 1.54127280953151 1.54127253782578 1.54127308123715 1.55905573781519 1.15392113046164 2434737.999651378 1.52997678021645 88.1012847221664 69.8677100011999 -55.7655302709549 2656537.04835975 T 29 CATAB v2.0f-lin.ifort 2020-Feb-22 20:35:13 2020-Feb-22 20:35
1964-Aug-30 15:50 00:01 Jupiter 1.7289884125947 1.7289878817277 1.7289889434619 2.51724325492797 2.31445974435017 2438638.159879696 1.22992034393157 67.8707475164524 7.90378842056148 -86.0137874647833 3014593.94871723 T 29 CATAB v2.0f-lin.ifort 2020-Feb-22 20:35:13 2020-Feb-22 20:35
2050-Oct-24 06:05 < 00:01 Jupiter 1.77996794640342 1.77996733988723 1.77996855291932 1.96104743185179 1.70116995026406 2470103.753212637 0.984136916920928 59.7060589790406 12.3545163367218 -86.4024521268034 2052459.07131591 T 29 CATAB v2.0f-lin.ifort 2020-Feb-22 20:35:13 2020-Feb-22 20:35
2061-Jul-13 09:39 00:01 Jupiter 1.56696585438646 1.56696552650371 1.56696618226922 1.4614013354681 1.02693475079344 2474018.902172119 1.32946989984638 128.691013909086 86.9941661081015 -54.0801704702109 2626992.09574948 T 29 CATAB v2.0f-lin.ifort 2020-Feb-22 20:35:13 2020-Feb-22 20:35
2072-Mar-31 09:37 00:02 Jupiter 1.60528748801576 1.60528679910099 1.60528817693008 1.871066552841 1.5638411999412 2477932.900402214 1.77538594548682 77.8970826264762 36.1965140017602 71.3583509030807 1611929.68933826 T 29 CATAB v2.0f-lin.ifort 2020-Feb-22 20:35:13 2020-Feb-22 20:35
2082-Nov-30 19:07 00:02 Jupiter 1.86919329445315 1.86919207619195 1.86919451271574 3.24958662290032 3.10701075232245 2481829.296427174 2.13024258528584 111.133661101456 17.1096606247745 -69.4747480907997 2834015.29546816 T 29 CATAB v2.0f-lin.ifort 2020-Feb-22 20:35:13 2020-Feb-22 20:35
2158-May-21 02:08 00:04 Jupiter 1.96163571138895 1.96163365849527 1.96163776428418 2.57253228444289 2.39881936988593 2509393.589077347 3.87889034596574 151.162651537801 14.5066905051459 -70.706577950081 1933523.99907994 T 29 CATAB v2.0f-lin.ifort 2020-Feb-22 20:35:13 2020-Feb-22 20:35
2169-Feb-06 03:19 00:04 Jupiter 1.67311297539642 1.67311142164618 1.67311452914809 1.63573772512507 1.28962283669445 2513307.638401859 4.22563667965814 198.70612936733 60.056929823268 68.1048017777195 1579518.87098663 T 29 CATAB v2.0f-lin.ifort 2020-Feb-22 20:35:13 2020-Feb-22 20:35
2179-Oct-30 21:40 00:05 Jupiter 1.56302327991224 1.56302291104989 1.56302364877451 1.52800806357336 1.11847342143569 2517226.402466650 4.62426080433131 226.296257053221 70.1700506556821 -38.076717137393 1976501.58926904 T 29 CATAB v2.0f-lin.ifort 2020-Feb-22 20:35:13 2020-Feb-22 20:35
2190-Jul-11 21:25 00:05 Jupiter 1.70724290473703 1.7072407209959 1.70724508847981 2.36261547894741 2.14235441045922 2521133.392091397 5.238757723008 172.99591794065 6.08512036753937 -87.0074842088012 1660593.30192027 T 29 CATAB v2.0f-lin.ifort 2020-Feb-22 20:35:13 2020-Feb-22 20:35

Alternate Designations
 1997 SJ25 = 1986 UA3 = 1991 RF37 = 1995 FH18 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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