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 ]  
275 Sapientia (A888 GB)
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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 88 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1636712734975528 2.6598e-08  
a 2.77043244256864 6.5434e-09 au
q 2.316992236554495 7.391e-08 au
i 4.764003112849553 3.2546e-06 deg
node 134.044905942544 3.6822e-05 deg
peri 39.63094341795293 3.8268e-05 deg
M 240.6568534497463 1.0989e-05 deg
tp 2459558.860588878324
(2021-Dec-10.36058888)
5.2183e-05 TDB
period 1684.301259071917
4.61
5.9672e-06
1.634e-08
d
yr
n .2137384853576414 7.5724e-10 deg/d
Q 3.223872648582785 7.6144e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3173  
   data-arc span      46966 days (128.59 yr)  
   first obs. used      1891-12-31  
   last obs. used      2020-08-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45205  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 22:13:24  

Additional Information
 Earth MOID = 1.32479 au 
 Jupiter MOID = 1.74594 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-August); 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 (A888 GB)          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 1.83465949315533 1.83465892738062 1.83466005893056 1.95860345662779 1.70668417019245 2416721.367839355 1.11334638179268 76.8935375701494 15.9396040453575 89.3757841736944 2869980.24844189 T 88 CATAB v2.0f-lin.ifort 2020-Aug-24 22:13:42 2020-Aug-24 22:13
1927-Feb-28 15:32 < 00:01 Jupiter 1.78148383756889 1.78148351107427 1.78148416406352 1.87233870005772 1.59835359568747 2424940.146962806 0.849677774074138 64.6782341093302 26.3784802537633 81.600600373248 2963897.255526 T 88 CATAB v2.0f-lin.ifort 2020-Aug-24 22:13:42 2020-Aug-24 22:13
1987-Oct-03 02:44 < 00:01 Jupiter 1.83564682630289 1.83564652495192 1.83564712765376 1.94641574114944 1.6928302444661 2447071.614023861 0.266879071406263 41.3466215823235 13.4143096116212 77.8860995595677 3259233.11706046 T 88 CATAB v2.0f-lin.ifort 2020-Aug-24 22:13:42 2020-Aug-24 22:13
2010-Apr-04 17:32 < 00:01 Jupiter 1.77281769000277 1.77281744810253 1.77281793190291 1.84404904896374 1.56363374459673 2455291.230646209 0.131791111382031 38.732515095243 26.7994773858149 64.6183307680934 3019743.91304043 T 88 CATAB v2.0f-lin.ifort 2020-Aug-24 22:13:42 2020-Aug-24 22:13
2070-Nov-06 05:07 < 00:01 Jupiter 1.8360474479251 1.83604709155881 1.8360478042915 1.93300023402385 1.6774478441959 2477421.713243517 0.66383680757393 54.8682795816334 15.4684783520428 84.9899346600764 3100254.48976868 T 88 CATAB v2.0f-lin.ifort 2020-Aug-24 22:13:42 2020-Aug-24 22:13
2093-May-08 08:50 < 00:01 Jupiter 1.77326258430717 1.77326224933771 1.77326291927673 1.83596819188948 1.55417262110375 2485640.868393727 0.889351525381839 68.6396240503898 27.9069919486476 79.2046994233431 2965330.38881475 T 88 CATAB v2.0f-lin.ifort 2020-Aug-24 22:13:42 2020-Aug-24 22:13
2153-Dec-13 08:49 00:02 Jupiter 1.84499425211515 1.84499358000744 1.84499492422371 1.94624518315179 1.69401471761338 2507773.867586609 1.53769479740954 93.9925653968288 16.2332042988545 -87.9713916770247 2737639.3964674 T 88 CATAB v2.0f-lin.ifort 2020-Aug-24 22:13:42 2020-Aug-24 22:13
2176-Jun-13 04:23 00:02 Jupiter 1.77354343727605 1.77354293577288 1.77354393878053 1.82537422596245 1.54169247322701 2515991.682873066 1.74395704048269 121.469916304891 28.1213778143875 80.6636687986501 2972689.60558588 T 88 CATAB v2.0f-lin.ifort 2020-Aug-24 22:13:42 2020-Aug-24 22:13

Alternate Designations
 A888 GB = 1962 GE = 1962 HA = A906 AB 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Oct-30 00:37 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin