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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04537357745879288 4.1849e-08  
a 2.97833250142215 1.2616e-08 au
q 2.843194900970832 1.2418e-07 au
i 6.556866093439121 4.7995e-06 deg
node 180.3202136108427 3.3128e-05 deg
peri 32.73099150089028 5.4787e-05 deg
M 124.8378700380817 4.4083e-05 deg
tp 2457949.468432219831
(2017-Jul-14.96843222)
0.00022916 TDB
period 1877.405985294092
5.14
1.1929e-05
3.266e-08
d
yr
n .191753942844497 1.2184e-09 deg/d
Q 3.113470101873468 1.3188e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2899  
   data-arc span      43114 days (118.04 yr)  
   first obs. used      1901-11-12  
   last obs. used      2019-11-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47753  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-03 20:08:49  

Additional Information
 Earth MOID = 1.84048 au 
 Jupiter MOID = 1.84884 au 
 T_jup = 3.249 
[ 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 9.6   n/a MPO416708  
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-January); 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 1.93073564687811 1.93073496664995 1.93073632710727 3.34155157965724 3.20757819183528 2421383.428485035 1.82679871562191 92.6796679783927 14.8752999623419 73.192683697574 3596948.0339628 T 38 CATAB v2.0f-lin.ifort 2019-Dec-03 20:09:00 2019-Dec-03 20:09
1962-Sep-26 08:37 < 00:01 Jupiter 1.96003209643718 1.96003164237005 1.96003255050453 3.56961301965718 3.44642460732303 2437933.859204785 0.967620027336558 65.4119291453901 15.4740271816843 -79.639603047539 3564783.65401088 T 38 CATAB v2.0f-lin.ifort 2019-Dec-03 20:09:00 2019-Dec-03 20:09
1999-Feb-24 21:34 < 00:01 Jupiter 1.86686454946677 1.8668641563835 1.86686494255003 3.4097242500301 3.27395655627338 2451234.398591669 0.295906464851919 37.2282079221479 15.5359608828723 87.8512347015674 3130185.97234182 T 38 CATAB v2.0f-lin.ifort 2019-Dec-03 20:09:00 2019-Dec-03 20:09
2035-Jul-28 08:49 < 00:01 Jupiter 1.87644412668865 1.8764437487171 1.8764445046602 3.3080370703989 3.1686454376271 2464536.867636521 0.489135401395024 44.2363753974595 14.4030244751233 88.1641773370375 3179240.06462216 T 38 CATAB v2.0f-lin.ifort 2019-Dec-03 20:09:00 2019-Dec-03 20:09
2071-Dec-31 20:16 00:01 Jupiter 1.97698054389703 1.976980084355 1.97698100343929 3.31745915863421 3.18569462436943 2477842.344507925 1.19400279227451 56.6540384377539 13.3046508127587 74.5403448973903 3873811.25568942 T 38 CATAB v2.0f-lin.ifort 2019-Dec-03 20:09:00 2019-Dec-03 20:09
2117-Apr-22 08:34 00:02 Jupiter 1.91988385509411 1.9198831738986 1.91988453629159 3.54788915851128 3.42127885213849 2494389.857123029 2.00788686213507 128.111946377177 16.2686115734135 -78.6853243227248 3377308.17785405 T 38 CATAB v2.0f-lin.ifort 2019-Dec-03 20:09:00 2019-Dec-03 20:09
2153-Sep-22 15:47 00:03 Jupiter 1.86022386268907 1.86022346027415 1.86022426510431 3.36121239241354 3.22289954120925 2507692.157895857 2.70927668435798 176.567780842459 15.2514463474207 -89.4171683377027 3092911.64697128 T 38 CATAB v2.0f-lin.ifort 2019-Dec-03 20:09:00 2019-Dec-03 20:09
2190-Feb-24 06:13 00:03 Jupiter 1.90448383004495 1.90448306377918 1.90448459631514 3.23689311821783 3.09644531022891 2520995.759211720 3.47180721473581 174.133873642838 13.8175197239488 78.3733212448314 3352718.15657716 T 38 CATAB v2.0f-lin.ifort 2019-Dec-03 20:09:00 2019-Dec-03 20:09

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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