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345 Tercidina (A892 WB)
Classification: Main-belt Asteroid          SPK-ID: 2000345
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 127 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06171143087095642 1.858e-08  
a 2.325498321600827 3.0125e-09 au
q 2.181988492686833 4.3121e-08 au
i 9.743290611161328 6.7534e-07 deg
node 212.5905752746427 3.8413e-06 deg
peri 231.2599174257581 1.512e-05 deg
M 66.87345391516575 1.6771e-05 deg
tp 2459155.884430296587
(2020-Nov-02.38443030)
6.0197e-05 TDB
period 1295.306284061759
3.55
2.5169e-06
6.891e-09
d
yr
n .277926544810027 5.4004e-10 deg/d
Q 2.469008150514822 3.1984e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3181  
   data-arc span      46963 days (128.58 yr)  
   first obs. used      1892-11-24  
   last obs. used      2021-06-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46079  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 10:55:22  

Additional Information
 Earth MOID = 1.20931 au 
 Jupiter MOID = 2.68312 au 
 T_jup = 3.553 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457162.5 (2015-May-20.0) TDB
Reference: JPL 127 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06135656193750148 1.858e-08  
q 2.182435099915685 4.31e-08 au
tp 2456562.207370243906
(2013-Sep-26.70737024)
5.9105e-05 TDB
node 212.639120668738 3.8392e-06 deg
peri 230.3312620054104 1.5166e-05 deg
i 9.747521099537966 6.7572e-07 deg
  Orbit Determination Parameters
   # obs. used (total)      3181  
   data-arc span      46963 days (128.58 yr)  
   first obs. used      1892-11-24  
   last obs. used      2021-06-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46079  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 10:55:22  

Additional Information
 Jupiter MOID = 2.68312 au 
 T_jup = 3.553 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.452292587134177E-16 -7.990869791088782E-16 -1.535958719964325E-13 3.750034736206876E-14 -8.026457585734135E-14 7.56165244216546E-15
q -7.990869791088782E-16 1.857572811822247E-15 3.969540507402993E-13 -8.617609613871261E-14 1.961317827338034E-13 -1.733453324131467E-14
tp -1.535958719964325E-13 3.969540507402993E-13 3.493457400654512E-9 1.549873714195849E-11 8.667673492876893E-10 -8.373691821611975E-13
node 3.750034736206876E-14 -8.617609613871261E-14 1.549873714195849E-11 1.473978291794996E-11 -1.066071134987511E-11 1.883454324918553E-12
peri -8.026457585734135E-14 1.961317827338034E-13 8.667673492876893E-10 -1.066071134987511E-11 2.3000304626368E-10 -2.259532449947071E-12
i 7.56165244216546E-15 -1.733453324131467E-14 -8.373691821611975E-13 1.883454324918553E-12 -2.259532449947071E-12 4.565944491089317E-13

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 8.93   n/a E2021B10 IRAS observations used: 13
magnitude slope G 0.10   n/a PDS3 (MPC 17258) Fit
diameter diameter 90.243 km 24.561 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
rotation period rot_per 12.371 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Harris, A.W.; Young, J.W. (1983) Icarus 54, 59-109.]
[Harris, A.W.; Young, J.W. (1989) Icarus 81, 314-364.]
[Behrend, R. (2002) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Behrend, R. (2004) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Behrend, R. (2005) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Behrend, R. (2008) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Behrend, R. (2009) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Garlitz, J. (2013) Posting on CALL web site. http://www.minorplanet.info/call.html]
[Hanus, J.; Durech, J.; Broz, M.; Marciniak, A.; et al. (2013) Astron. Astrophys. 551, A67.]
[Behrend, R. (2014) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Behrend, R. (2016) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo albedo 0.052   0.019 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
B-V BV 0.729   0.019 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=4; phase (min.=5.68, mean=8.47, max.=10.86) deg.
U-B UB 0.411   0.026 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=3; phase (min.=5.68, mean=7.67, max.=10.75) deg.
Tholen spectral type spec_T C   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 7 color indices
SMASSII spectral type spec_B Ch   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)

345 Tercidina (A892 WB)          Discovered 1892-Nov-23 by Charlois, A. at Nice
Reference: DISCOVERY.DBLast Updated: 2003-08-29
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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