Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
533 Sara (A904 HC)
Classification: Main-belt Asteroid          SPK-ID: 2000533
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ hide orbit diagram ]

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.


[ revert to old Java-based viewer ]

Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 44 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04498238800130484 4.0838e-08  
a 2.979388286842135 1.2173e-08 au
q 2.845368286916859 1.2159e-07 au
i 6.555666964664303 4.6441e-06 deg
node 180.3159968984584 3.2395e-05 deg
peri 32.76876790545565 5.3622e-05 deg
M 201.4952123456438 4.3659e-05 deg
tp 2459827.544675176332
(2022-Sep-05.04467518)
0.00022917 TDB
period 1878.404352761498
5.14
1.1512e-05
3.152e-08
d
yr
n .191652026077747 1.1746e-09 deg/d
Q 3.113408286767411 1.2721e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3211  
   data-arc span      43453 days (118.97 yr)  
   first obs. used      1901-11-12  
   last obs. used      2020-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .454  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:28:35  

Additional Information
 Earth MOID = 1.84246 au 
 Jupiter MOID = 1.8478 au 
 T_jup = 3.248 
[ 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 9.7   n/a MPO502158  
diameter diameter 30.819 km 0.430 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 11.654 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Behrend, R. (2006) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Behrend, R. (2007) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Fleenor, M.L. (2007) Minor Planet Bull. 34, 129.]
geometric albedo albedo 0.252   0.035 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
B-V BV 0.871   0.028 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=3; phase (min.=6.07, mean=11.69, max.=14.51) deg.
U-B UB 0.386   0.067 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=2; phase (min.=6.07, mean=10.28, max.=14.50) deg.
Tholen spectral type spec_T S   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 2 color indices
SMASSII spectral type spec_B S   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

533 Sara (A904 HC)          Discovered 1904-Apr-19 by Dugan, R. S. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ 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
1917-Jun-03 22:17 00:02 Jupiter 1.93073582982539 1.93073516961801 1.93073649003364 3.34155234917778 3.20757900645676 2421383.428607929 1.7753464241287 89.9680155535914 14.5552488067124 73.2293185581502 3656610.92827136 T 44 CATAB v2.0f-lin.ifort 2020-Nov-13 04:28:43 2020-Nov-13 04:28
1962-Sep-26 08:37 < 00:01 Jupiter 1.96003201545028 1.96003156298777 1.96003246791302 3.5696127086927 3.44642428006248 2437933.859274189 0.942774025767021 63.8928452615273 15.066264218426 -78.9902385005981 3687440.92583725 T 44 CATAB v2.0f-lin.ifort 2020-Nov-13 04:28:43 2020-Nov-13 04:28
1999-Feb-24 21:34 < 00:01 Jupiter 1.86686457248501 1.86686419229901 1.86686495267089 3.40972438359989 3.27395669709088 2451234.398612490 0.294717960747525 36.5225024602894 15.0178350637439 87.9672576188006 3227660.39718571 T 44 CATAB v2.0f-lin.ifort 2020-Nov-13 04:28:43 2020-Nov-13 04:28
2035-Jul-28 08:49 < 00:01 Jupiter 1.87644421693307 1.87644384669845 1.87644458716769 3.30803761296105 3.16864601090831 2464536.867593288 0.457208006897947 41.6531713073714 14.1347596585214 87.7984042817179 3251715.574812 T 44 CATAB v2.0f-lin.ifort 2020-Nov-13 04:28:43 2020-Nov-13 04:28
2071-Dec-31 20:16 00:01 Jupiter 1.97698064270536 1.97698020095032 1.97698108446062 3.31745992817253 3.18569543245857 2477842.344398239 1.13483478980756 53.9370144351217 13.0124850496964 74.7884959008556 3940618.72868232 T 44 CATAB v2.0f-lin.ifort 2020-Nov-13 04:28:43 2020-Nov-13 04:28
2117-Apr-22 08:34 00:02 Jupiter 1.91988388022767 1.91988324536926 1.91988451508782 3.54788913910881 3.42127883370615 2494389.856975918 1.92406773358885 122.971250802476 15.7291803144416 -79.1775890111907 3501775.15072428 T 44 CATAB v2.0f-lin.ifort 2020-Nov-13 04:28:43 2020-Nov-13 04:28
2153-Sep-22 15:47 00:03 Jupiter 1.86022391477196 1.86022352630772 1.86022430323642 3.36121277476898 3.22289994392932 2507692.157701125 2.5985080846813 169.1760268286 14.9115995568819 -89.6498589405068 3173113.54375593 T 44 CATAB v2.0f-lin.ifort 2020-Nov-13 04:28:43 2020-Nov-13 04:28
2190-Feb-24 06:13 00:03 Jupiter 1.90448386515776 1.90448312072684 1.90448460959268 3.23689379257892 3.09644601782564 2520995.758961474 3.33213658694837 166.866992043504 13.5912300562511 78.2937176423994 3409444.95531142 T 44 CATAB v2.0f-lin.ifort 2020-Nov-13 04:28:43 2020-Nov-13 04:28

Alternate Designations
 A904 HC = A901 VB = A911 UB 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Dec-02 16:46 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin