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52472 (1995 SR9)
Classification: Main-belt Asteroid          SPK-ID: 2052472
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1293007825933096 3.7693e-08  
a 3.1466993800894 1.9668e-08 au
q 2.739828687657958 1.1515e-07 au
i 12.98459019948661 6.3608e-06 deg
node 355.5682029924884 1.833e-05 deg
peri 91.38895958999376 3.2254e-05 deg
M 141.9697077792891 2.5081e-05 deg
tp 2458592.465847579446
(2019-Apr-18.96584758)
0.00014095 TDB
period 2038.8313774752
5.58
1.9115e-05
5.233e-08
d
yr
n .176571738093323 1.6555e-09 deg/d
Q 3.553570072520842 2.2211e-08 au
  Orbit Determination Parameters
   # obs. used (total)      995  
   data-arc span      9420 days (25.79 yr)  
   first obs. used      1995-08-25  
   last obs. used      2021-06-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52075  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 17:13:44  

Additional Information
 Earth MOID = 1.795 au 
 Jupiter MOID = 1.75217 au 
 T_jup = 3.156 
[ 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 14.30   n/a E2021B10  
diameter diameter 8.669 km 0.224 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.041   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

52472 (1995 SR9)          Discovered 1995-Sep-17 by Spacewatch at Kitt Peak
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

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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
1939-Jun-29 02:39 00:02 Jupiter 1.87808952021827 1.87808843588226 1.87809060455459 4.85661855064785 4.76284991789699 2429443.610361462 2.30784830335048 155.26755840271 49.3445276118456 84.4110629160422 2233655.65006865 T 22 CATAB v2.0g-lin.ifort 2021-Aug-25 17:13:47 2021-Aug-25 17:13
1950-Feb-21 06:44 00:02 Jupiter 1.79580441017744 1.79580379259175 1.79580502776373 3.82850046385709 3.7032527424833 2433333.780699118 2.05027938701202 118.448265342457 25.3677288164574 81.2461098899757 1761874.59324662 T 22 CATAB v2.0g-lin.ifort 2021-Aug-25 17:13:47 2021-Aug-25 17:13
1960-Aug-22 14:18 00:02 Jupiter 1.98574514555286 1.98574429332576 1.9857459977803 2.24966785243213 2.0513172611802 2437169.095763447 1.99919276892012 71.3638605837131 55.1641680274513 50.3804097281015 1855434.65380006 T 22 CATAB v2.0g-lin.ifort 2021-Aug-25 17:13:47 2021-Aug-25 17:13
2045-Oct-13 09:36 < 00:01 Jupiter 1.79185872185369 1.79185811686989 1.7918593268376 4.49535474417586 4.38894088788105 2468266.899692883 0.905363915913639 160.14355221252 27.4481321005273 88.2257007374518 2444888.11943401 T 22 CATAB v2.0g-lin.ifort 2021-Aug-25 17:13:47 2021-Aug-25 17:13
2056-May-28 00:46 00:01 Jupiter 1.84656164928791 1.84656082950408 1.84656246907247 3.29461331018279 3.15231213428105 2472146.531836088 1.38227877476047 97.1367502307067 29.7092473025792 70.5363739260151 1930787.76934217 T 22 CATAB v2.0g-lin.ifort 2021-Aug-25 17:13:47 2021-Aug-25 17:13
2141-Jun-02 07:22 00:04 Jupiter 1.91852458453748 1.91852254497596 1.91852662410062 4.81988808198898 4.72740176784208 2503196.806820578 3.81119312168389 164.292587267551 71.5801714740171 62.4173610277749 2001478.93146714 T 22 CATAB v2.0g-lin.ifort 2021-Aug-25 17:13:47 2021-Aug-25 17:13
2152-Jan-27 19:50 00:04 Jupiter 1.74891335586958 1.74891274079239 1.74891397094766 4.1063869222293 3.98670118884859 2507088.326662242 4.0897322037168 154.411670413121 28.6524734466807 84.1971326166663 1622605.32858188 T 22 CATAB v2.0g-lin.ifort 2021-Aug-25 17:13:47 2021-Aug-25 17:13
2162-Aug-22 23:35 00:05 Jupiter 1.93040106191314 1.93039893195575 1.93040319187449 2.74267175259371 2.57772907196156 2510948.482500485 5.17082655165389 187.969467429836 47.3031143333262 36.0609746373196 1261465.04957321 T 22 CATAB v2.0g-lin.ifort 2021-Aug-25 17:13:47 2021-Aug-25 17:13

Alternate Designations
 1995 SR9 = 1998 BD26 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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