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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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2454547.5 (2008-Mar-22.0) TDB
Reference: JPL 85 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1607075165606029 2.659e-08  
q 2.326950289078181 7.3564e-08 au
tp 2454491.065782541729
(2008-Jan-25.56578254)
4.9331e-05 TDB
node 134.2743434403902 3.667e-05 deg
peri 37.43547455864185 3.8236e-05 deg
i 4.770545527521278 3.2904e-06 deg
  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
 Jupiter MOID = 1.74745 au 
 T_jup = 3.313 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.070323903162108E-16 -1.950230067460867E-15 -1.786472764643449E-13 4.580728928257349E-15 -3.655496169285265E-14 2.437365151136609E-16
q -1.950230067460867E-15 5.411678172141245E-15 5.493575724558189E-13 -1.201280562424493E-14 1.118430822841056E-13 -6.694595995748574E-16
tp -1.786472764643449E-13 5.493575724558189E-13 2.433569885330611E-9 -1.645275815286594E-11 5.443703073145048E-10 -5.275322274136665E-13
node 4.580728928257349E-15 -1.201280562424493E-14 -1.645275815286594E-11 1.344676770600844E-9 -1.34347497161674E-9 -8.637946697360372E-12
peri -3.655496169285265E-14 1.118430822841056E-13 5.443703073145048E-10 -1.34347497161674E-9 1.461980140411949E-9 8.520806965694459E-12
i 2.437365151136609E-16 -6.694595995748574E-16 -5.275322274136665E-13 -8.637946697360372E-12 8.520806965694459E-12 1.082694722513817E-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 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

[ show close-approach data ]
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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