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JPL Small-Body Database Browser
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275 Sapientia
Classification: Main-belt Asteroid          SPK-ID: 2000275
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 85 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1639304494654461 2.6631e-08  
a 2.769711340539809 6.6374e-09 au
q 2.315671315595575 7.396e-08 au
i 4.76428246844225 3.2778e-06 deg
node 134.0501452874826 3.689e-05 deg
peri 39.70273658780737 3.8348e-05 deg
M 155.0486090922086 1.0881e-05 deg
tp 2457875.370515108225
(2017-May-01.87051511)
5.008e-05 TDB
period 1683.643704315933
4.61
6.0521e-06
1.657e-08
d
yr
n .2138219619015346 7.6861e-10 deg/d
Q 3.223751365484043 7.7255e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3071  
   data-arc span      46727 days (127.93 yr)  
   first obs. used      1891-12-31  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45947  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-13 20:40:37  

Additional Information
 Earth MOID = 1.32393 au 
 Jupiter MOID = 1.74745 au 
 T_jup = 3.313 
[ 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 8.9   n/a MPO502155  
diameter diameter 103 km n/a Dunham occult. list: Stamm 1985b Yeomans E-mail 2001-Apr-04
rotation period rot_per 14.931 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Published Reference List:
[Warner, B.D. (2007) Minor Planet Bull. 34, 72-77.]
[Pilcher, F. (2015) Minor Planet Bull. 42, 38-39.]
[Pilcher, F. (2016) Minor Planet Bull. 43, 135-136.]
geometric albedo albedo 0.049   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
B-V BV 0.723   0.007 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=4; phase (min.=4.95, mean=9.19, max.=15.47) deg.
U-B UB 0.324   0.025 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=5; phase (min.=4.95, mean=10.51, max.=15.79) deg.
Tholen spectral type spec_T X   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 4 color indices
SMASSII spectral type spec_B C   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)

275 Sapientia          Discovered 1888-Apr-15 by Palisa, J. at Vienna
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
1904-Aug-28 20:50 00:01 Jupiter 1.83465939370253 1.83465882755533 1.83465995985025 1.95860314900853 1.70668380250244 2416721.367729038 1.11569086693832 77.071264595458 15.9563369191594 89.3690170919333 2866440.58516653 T 85 CATAB v2.0f-lin.ifort 2019-Dec-13 20:40:53 2019-Dec-13 20:40
1927-Feb-28 15:32 < 00:01 Jupiter 1.78148386437423 1.78148353817954 1.78148419056891 1.87233906023613 1.59835402208249 2424940.146877748 0.85125139137045 64.7859283981391 26.5018499663493 81.7148730567105 2953883.11778226 T 85 CATAB v2.0f-lin.ifort 2019-Dec-13 20:40:53 2019-Dec-13 20:40
1987-Oct-03 02:44 < 00:01 Jupiter 1.83564677663765 1.83564647487327 1.83564707840192 1.94641562211114 1.692830100221 2447071.614003090 0.266657343798862 41.5278780489221 13.4235175836379 77.9110799694403 3256698.08371294 T 85 CATAB v2.0f-lin.ifort 2019-Dec-13 20:40:53 2019-Dec-13 20:40
2010-Apr-04 17:32 < 00:01 Jupiter 1.77281768453928 1.7728174412906 1.77281792778786 1.84404930585955 1.56363404662145 2455291.230639657 0.133247449626717 38.7702808309356 26.926335338495 64.6921146407369 3007436.47131663 T 85 CATAB v2.0f-lin.ifort 2019-Dec-13 20:40:53 2019-Dec-13 20:40
2070-Nov-06 05:07 < 00:01 Jupiter 1.83604744731704 1.83604708799392 1.83604780664015 1.93300020682666 1.67744781276425 2477421.713295437 0.668455469880591 55.2520362984854 15.5054894534923 85.0496647878335 3089761.10649084 T 85 CATAB v2.0f-lin.ifort 2019-Dec-13 20:40:53 2019-Dec-13 20:40
2093-May-08 08:51 < 00:01 Jupiter 1.7732625511523 1.77326221303482 1.77326288926978 1.83596834031557 1.55417279069537 2485640.868463132 0.894602848501514 68.9493937935078 27.9928781877406 79.1845714245607 2951706.81561851 T 85 CATAB v2.0f-lin.ifort 2019-Dec-13 20:40:53 2019-Dec-13 20:40
2153-Dec-13 08:49 00:02 Jupiter 1.84499430121858 1.84499362452673 1.84499497791128 1.94624520468695 1.69401474956775 2507773.867702081 1.54523837371235 94.5140154822599 16.2739563350329 -87.9662011429982 2728612.26247379 T 85 CATAB v2.0f-lin.ifort 2019-Dec-13 20:40:53 2019-Dec-13 20:40
2176-Jun-13 04:24 00:02 Jupiter 1.77354337777126 1.77354287225903 1.7735438832849 1.82537426857528 1.5416925132873 2515991.683015432 1.75185080877599 121.990009344065 28.1964331080209 80.6309440547991 2960481.65315274 T 85 CATAB v2.0f-lin.ifort 2019-Dec-13 20:40:53 2019-Dec-13 20:40

Alternate Designations
 1962 GE = 1962 HA = A906 AB 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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