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JPL Small-Body Database Browser
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466 Tisiphone (A901 BB)
Classification: Outer Main-belt Asteroid          SPK-ID: 2000466
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 93 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09222751680971517 4.0336e-08  
a 3.354691185495876 1.5381e-08 au
q 3.045296347794152 1.4034e-07 au
i 19.11641323884634 4.4988e-06 deg
node 290.8498548101873 1.2524e-05 deg
peri 250.6076704030718 2.6091e-05 deg
M 62.74341843114232 2.3862e-05 deg
tp 2458609.350369787643
(2019-May-05.85036979)
0.0001482 TDB
period 2244.281079950793
6.14
1.5435e-05
4.226e-08
d
yr
n .1604077150656606 1.1032e-09 deg/d
Q 3.6640860231976 1.68e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2467  
   data-arc span      43481 days (119.04 yr)  
   first obs. used      1901-01-19  
   last obs. used      2020-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46995  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 15:28:08  

Additional Information
 Earth MOID = 2.11577 au 
 Jupiter MOID = 1.63497 au 
 T_jup = 3.062 
[ 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 8.5   n/a MPO435699  
diameter diameter 95.495 km 0.349 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 8.834 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Worman, W.E.; Christianson, K. (1999) Minor Planet Bull. 26, 9-10.]
[Lagerkvist, C.-I.; Erikson, A.; Lahulla, F.; Di Martino, M.; et al. (2001) Icarus 149, 190-197.]
[Behrend, R. (2006) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Behrend, R. (2015) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
[Behrend, R. (2016) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo albedo 0.092   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
B-V BV 0.659   0.022 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=2; phase (min.=6.38, mean=11.54, max.=16.70) deg.
U-B UB 0.342   0.070 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=2; phase (min.=6.38, mean=11.54, max.=16.70) deg.
Tholen spectral type spec_T C   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 7 color indices

466 Tisiphone (A901 BB)          Discovered 1901-Jan-17 by Wolf, M. and Carnera, L. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 A901 BB = 1953 NP 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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