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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 117 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06146925671873955 3.4144e-08  
a 2.3249848811805 3.6656e-09 au
q 2.182069788652028 7.9445e-08 au
i 9.744058322932924 3.495e-06 deg
node 212.6012628921776 2.071e-05 deg
peri 231.3719326793185 3.5045e-05 deg
M 316.6935682242207 2.9135e-05 deg
tp 2459156.268101726062
(2020-Nov-02.76810173)
0.00010485 TDB
period 1294.877327038178
3.55
3.0623e-06
8.384e-09
d
yr
n .2780186141828908 6.5749e-10 deg/d
Q 2.467899973708973 3.8909e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2783  
   data-arc span      46635 days (127.68 yr)  
   first obs. used      1892-11-24  
   last obs. used      2020-07-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47931  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 22:14:35  

Additional Information
 Earth MOID = 1.20968 au 
 Jupiter MOID = 2.68493 au 
 T_jup = 3.553 
[ hide covariance matrix ]
Orbital Elements at Epoch 2454939.5 (2009-Apr-18.0) TDB
Reference: JPL 117 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06043819068141334 3.411e-08  
q 2.18497731640961 7.9184e-08 au
tp 2455267.742392038684
(2010-Mar-12.24239204)
0.00010555 TDB
node 212.7019069945961 2.0686e-05 deg
peri 230.4843153869714 3.5431e-05 deg
i 9.74786624603041 3.497e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2783  
   data-arc span      46635 days (127.68 yr)  
   first obs. used      1892-11-24  
   last obs. used      2020-07-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47931  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 22:14:35  

Additional Information
 Jupiter MOID = 2.68493 au 
 T_jup = 3.553 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.163508497180339E-15 -2.698363635316671E-15 9.23292006367509E-15 -4.957461961250705E-15 2.82755819213786E-14 1.535108806755502E-15
q -2.698363635316671E-15 6.270079770837266E-15 1.059276064934508E-14 1.111942913824086E-14 -5.822615577593616E-14 -3.547031683008976E-15
tp 9.23292006367509E-15 1.059276064934508E-14 1.11412840308539E-8 -7.732893221855834E-12 3.047222469886006E-9 3.246547105500269E-12
node -4.957461961250705E-15 1.111942913824086E-14 -7.732893221855834E-12 4.278931274082761E-10 -4.233605602638161E-10 6.899371252843694E-12
peri 2.82755819213786E-14 -5.822615577593616E-14 3.047222469886006E-9 -4.233605602638161E-10 1.255327700915359E-9 -5.835378321938466E-12
i 1.535108806755502E-15 -3.547031683008976E-15 3.246547105500269E-12 6.899371252843694E-12 -5.835378321938466E-12 1.222927420177022E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 8.9   n/a MPO502156 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. 2019-August); 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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