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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 ]

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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 41 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04498239013371841 4.1818e-08  
a 2.979388287725592 1.2379e-08 au
q 2.845368281407288 1.2408e-07 au
i 6.55566727599856 4.769e-06 deg
node 180.3159971464227 3.2448e-05 deg
peri 32.76876485331801 5.3971e-05 deg
M 201.4952146841149 4.3913e-05 deg
tp 2459827.544663342538
(2022-Sep-05.04466334)
0.00023039 TDB
period 1878.404353596983
5.14
1.1707e-05
3.205e-08
d
yr
n .1916520259925031 1.1945e-09 deg/d
Q 3.113408294043896 1.2936e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3048  
   data-arc span      43183 days (118.23 yr)  
   first obs. used      1901-11-12  
   last obs. used      2020-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46423  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 15:30:02  

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

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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
1917-Jun-03 22:17 00:02 Jupiter 1.93073581801871 1.93073514101449 1.93073649502392 3.34155234544792 3.20757900173473 2421383.428581231 1.80375312142366 91.4422752182519 14.8280263034504 73.0852837673254 3614662.27627668 T 41 CATAB v2.0f-lin.ifort 2020-Feb-22 15:30:20 2020-Feb-22 15:30
1962-Sep-26 08:37 < 00:01 Jupiter 1.96003201271775 1.96003155909007 1.96003246634555 3.56961269331109 3.44642426395626 2437933.859262931 0.958336053157602 64.8688795971744 15.3736624938673 -79.4876027613729 3599330.62394891 T 41 CATAB v2.0f-lin.ifort 2020-Feb-22 15:30:20 2020-Feb-22 15:30
1999-Feb-24 21:34 < 00:01 Jupiter 1.86686456299336 1.86686417115286 1.86686495483387 3.40972439059646 3.273956703673 2451234.398603817 0.295884643643552 36.6626136065761 15.467429497801 87.6042006137094 3139691.49654994 T 41 CATAB v2.0f-lin.ifort 2020-Feb-22 15:30:20 2020-Feb-22 15:30
2035-Jul-28 08:49 < 00:01 Jupiter 1.87644421334558 1.87644383644929 1.87644459024188 3.3080376142792 3.1686460120121 2464536.867599635 0.472665420394433 42.8565816547899 14.3625446577737 88.5409615499454 3180482.70771306 T 41 CATAB v2.0f-lin.ifort 2020-Feb-22 15:30:20 2020-Feb-22 15:30
2071-Dec-31 20:16 00:01 Jupiter 1.97698065378442 1.97698020866107 1.97698109890788 3.31745993228086 3.18569543749051 2477842.344416379 1.16623197767774 55.5521000464849 13.0556147320182 74.9869335860337 3916982.89061145 T 41 CATAB v2.0f-lin.ifort 2020-Feb-22 15:30:20 2020-Feb-22 15:30
2117-Apr-22 08:34 00:02 Jupiter 1.91988385847574 1.91988319451829 1.91988452243516 3.54788910487842 3.42127879674799 2494389.857007992 1.96666973938305 125.441124937776 16.1768229310113 -78.8431769563507 3405441.34670581 T 41 CATAB v2.0f-lin.ifort 2020-Feb-22 15:30:20 2020-Feb-22 15:30
2153-Sep-22 15:47 00:03 Jupiter 1.86022390589192 1.8602235044699 1.86022430731426 3.36121274734364 3.22289991465259 2507692.157744677 2.65649099895256 172.949624873241 15.2459050711894 -89.4302072573918 3097477.23245469 T 41 CATAB v2.0f-lin.ifort 2020-Feb-22 15:30:20 2020-Feb-22 15:30
2190-Feb-24 06:13 00:03 Jupiter 1.90448387772729 1.90448312816552 1.90448462729329 3.23689378181315 3.09644600751954 2520995.759015957 3.40669540740338 170.778765899151 13.7678474282417 78.4449791171311 3360008.60691067 T 41 CATAB v2.0f-lin.ifort 2020-Feb-22 15:30:20 2020-Feb-22 15:30

Alternate Designations
 A904 HC = A901 VB = A911 UB 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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