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JPL Small-Body Database Browser
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720 Bohlinia (A911 UL)
Classification: Main-belt Asteroid          SPK-ID: 2000720
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0187498917285933 3.6083e-08  
a 2.886061021479391 1.022e-08 au
q 2.831947689804539 1.0553e-07 au
i 2.354189208584556 4.1e-06 deg
node 35.69260432431978 9.1871e-05 deg
peri 113.490240972785 0.00013938 deg
M 196.3416926026572 0.00010489 deg
tp 2459414.627163717933
(2021-Jul-19.12716372)
0.00052197 TDB
period 1790.839607224328
4.90
9.5125e-06
2.604e-08
d
yr
n .2010230277171354 1.0678e-09 deg/d
Q 2.940174353154243 1.0412e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3123  
   data-arc span      45899 days (125.66 yr)  
   first obs. used      1894-03-01  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46365  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 01:56:23  

Additional Information
 Earth MOID = 1.84292 au 
 Jupiter MOID = 2.02854 au 
 T_jup = 3.291 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 9.6   n/a MPO265959  
diameter diameter 33.73 km 1.4 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 17
rotation period rot_per 8.919 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Published Reference List:
[Slivan, S.M.; Binzel, R.P. (1996) Icarus 124, 452-470.]
[Behrend, R. (2002) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Slivan, S.M.; Binzel, R.P.; Crespo da Silva, L.D.; Kaasalainen, M.; et al. (2003) Icarus 162, 285-307.]
[Behrend, R. (2009) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo albedo 0.2029   0.018 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 17
B-V BV 0.806   0.042 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=3; phase (min.=3.97, mean=9.67, max.=13.56) deg.
U-B UB 0.440   0.020 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=3.97 deg.
Tholen spectral type spec_T S   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 2 color indices; used ground-based radiometric albedo
SMASSII spectral type spec_B Sq   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)

720 Bohlinia (A911 UL)          Discovered 1911-Oct-18 by Kaiser, F. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 A911 UL = 1948 DD = 1951 XH1 = A901 TE 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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