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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04537357735408257 4.1843e-08  
a 2.978332501584964 1.2583e-08 au
q 2.843194901438121 1.2414e-07 au
i 6.556866088196098 4.7968e-06 deg
node 180.3202137525103 3.2993e-05 deg
peri 32.73099073161646 5.4585e-05 deg
M 124.8378705819392 4.3974e-05 deg
tp 2457949.468429330222
(2017-Jul-14.96842933)
0.00022857 TDB
period 1877.405985448038
5.14
1.1897e-05
3.257e-08
d
yr
n .1917539428287734 1.2152e-09 deg/d
Q 3.113470101731808 1.3153e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2931  
   data-arc span      43121 days (118.06 yr)  
   first obs. used      1901-11-12  
   last obs. used      2019-12-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47509  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-13 20:44:49  

Additional Information
 Earth MOID = 1.84049 au 
 Jupiter MOID = 1.84884 au 
 T_jup = 3.249 
[ hide covariance matrix ]
Orbital Elements at Epoch 2455886.5 (2011-Nov-21.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04514220047561155 4.1223e-08  
q 2.845180909332829 1.2227e-07 au
tp 2456091.548895374678
(2012-Jun-13.04889537)
0.00023341 TDB
node 180.3752066562261 3.2965e-05 deg
peri 36.80980337974918 5.5529e-05 deg
i 6.557131779915587 4.799e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2931  
   data-arc span      43121 days (118.06 yr)  
   first obs. used      1901-11-12  
   last obs. used      2019-12-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47509  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-13 20:44:49  

Additional Information
 Jupiter MOID = 1.84884 au 
 T_jup = 3.249 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.699313608449735E-15 -5.015937213642562E-15 -1.918297095566072E-12 -1.285699851853108E-15 -3.782062198335684E-13 -3.683941831024343E-16
q -5.015937213642562E-15 1.494955784791433E-14 5.92619021873186E-12 5.065544768319546E-15 1.161099130898597E-12 1.553520071042833E-15
tp -1.918297095566072E-12 5.92619021873186E-12 5.448042686771654E-8 3.711768178697097E-12 1.044597985397283E-8 4.689942345641866E-13
node -1.285699851853108E-15 5.065544768319546E-15 3.711768178697097E-12 1.086661609940133E-9 -1.078193472865475E-9 1.580658083411376E-11
peri -3.782062198335684E-13 1.161099130898597E-12 1.044597985397283E-8 -1.078193472865475E-9 3.083478159631788E-9 -1.557218903816705E-11
i -3.683941831024343E-16 1.553520071042833E-15 4.689942345641866E-13 1.580658083411376E-11 -1.557218903816705E-11 2.303071853455896E-11

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-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

[ show close-approach data ]
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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