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JPL Small-Body Database Browser
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297 Caecilia
Classification: Main-belt Asteroid          SPK-ID: 2000297
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 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1416752625843223 4.1355e-08  
a 3.168825140044889 1.5862e-08 au
q 2.719881006245227 1.3395e-07 au
i 7.544388899821752 4.6435e-06 deg
node 331.9997439956632 3.138e-05 deg
peri 353.446562035028 3.4761e-05 deg
M 292.6374696201029 1.6942e-05 deg
tp 2458986.033153733268
(2020-May-16.53315373)
9.8131e-05 TDB
period 2060.372948599866
5.64
1.547e-05
4.235e-08
d
yr
n .1747256486960962 1.3119e-09 deg/d
Q 3.61776927384455 1.8109e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2736  
   data-arc span      43574 days (119.30 yr)  
   first obs. used      1900-05-02  
   last obs. used      2019-08-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46182  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-23 19:07:14  

Additional Information
 Earth MOID = 1.70739 au 
 Jupiter MOID = 1.72182 au 
 T_jup = 3.174 
[ 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 9.1   n/a MPO435697  
diameter diameter 39.48 km 1.8 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 6
rotation period rot_per 4.163 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Published Reference List:
[Behrend, R. (2004) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Cooney, W.R. (2005) Minor Planet Bull. 32, 15-16.]
[Behrend, R. (2006) 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]
[Collaborative Asteroid Lightcurve Link (CALL) (2011) http://www.minorplanetobserver.com/DATA/submissions_results.htm]
[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 0.1796   0.018 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 6

297 Caecilia          Discovered 1890-Sep-09 by Charlois, A. at Nice
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1933-May-06 05:28 00:02 Jupiter 1.95529105540019 1.95529019182316 1.95529191897866 3.08576360191656 2.94203106630664 2427198.727515066 1.87723584403387 140.925167460719 28.6364880860263 -78.799071113424 2852672.59341551 T 35 CATAB v2.0f-lin.ifort 2019-Sep-23 19:07:25 2019-Sep-23 19:07
1944-Feb-25 20:35 00:02 Jupiter 1.78832884757526 1.78832835946795 1.78832933568257 2.90606408749613 2.73823487392594 2431146.357658787 1.53751456052527 120.731819902701 18.0363401162321 -84.8893878952637 3015667.58210292 T 35 CATAB v2.0f-lin.ifort 2019-Sep-23 19:07:25 2019-Sep-23 19:07
1954-Dec-12 22:05 00:01 Jupiter 1.78563484403046 1.78563438343589 1.78563530462524 2.75500422785714 2.57707991190262 2435089.419827224 1.29852300304125 77.804902448058 13.0141484401353 -78.6630373616001 2949114.21778966 T 35 CATAB v2.0f-lin.ifort 2019-Sep-23 19:07:25 2019-Sep-23 19:07
1965-Aug-29 14:59 00:01 Jupiter 1.93087703126672 1.93087650396006 1.93087755857337 3.00326584433091 2.85346471423405 2439002.124571204 1.07193136764672 45.2942620506893 13.541163449707 -70.2149387337681 2969215.91406429 T 35 CATAB v2.0f-lin.ifort 2019-Sep-23 19:07:25 2019-Sep-23 19:07
2051-Nov-27 11:59 < 00:01 Jupiter 1.92289489462523 1.92289438373877 1.9228954055117 2.977339885136 2.82552048046988 2470502.999346561 0.99894387075606 113.584995830677 21.1429582079162 -86.3547445682992 3104852.35019183 T 35 CATAB v2.0f-lin.ifort 2019-Sep-23 19:07:25 2019-Sep-23 19:07
2062-Sep-19 04:54 00:01 Jupiter 1.7808098587868 1.78080943547637 1.78081028209734 2.90034874137765 2.73143642413689 2474451.704043698 1.28719789138928 121.335758276748 14.9443341874626 -85.1597912980277 3139194.4936481 T 35 CATAB v2.0f-lin.ifort 2019-Sep-23 19:07:25 2019-Sep-23 19:07
2073-Jul-06 09:00 00:02 Jupiter 1.80626015325337 1.80625963336711 1.80626067314005 2.85391783922113 2.68458054502067 2478394.875034686 1.68143079944537 85.2832450629051 13.4090042413071 -77.0247850448998 2981235.9737218 T 35 CATAB v2.0f-lin.ifort 2019-Sep-23 19:07:25 2019-Sep-23 19:07
2084-Mar-24 08:48 00:02 Jupiter 1.96758190989133 1.96758116373533 1.96758265604755 3.22239009752533 3.08590664006632 2482308.866740793 2.09826246053233 60.999928121608 15.1946698399729 -65.4905614157807 2654479.43285486 T 35 CATAB v2.0f-lin.ifort 2019-Sep-23 19:07:25 2019-Sep-23 19:07
2170-Jun-27 15:03 00:04 Jupiter 1.89963522372351 1.89963392176047 1.89963652569971 2.89050772990694 2.73189697444572 2513814.127256193 3.84285247075572 302.657067618098 26.512779600035 -79.0857304935447 2687912.04316921 T 35 CATAB v2.0f-lin.ifort 2019-Sep-23 19:07:25 2019-Sep-23 19:07
2181-Apr-20 11:08 00:04 Jupiter 1.78156858262102 1.78156807556469 1.78156908967735 2.91286457628255 2.74479640079561 2517763.964141615 4.08578150686727 121.281356676409 21.791530031535 -85.9782161196272 3164024.6373162 T 35 CATAB v2.0f-lin.ifort 2019-Sep-23 19:07:25 2019-Sep-23 19:07
2192-Feb-06 02:43 00:05 Jupiter 1.82926414359502 1.82926308085458 1.82926520634075 2.97059077948229 2.81039668517134 2521707.612986507 4.64112703532782 182.135144305977 13.8772515510922 -75.1800697143469 2855390.37899045 T 35 CATAB v2.0f-lin.ifort 2019-Sep-23 19:07:25 2019-Sep-23 19:07

Alternate Designations
 1935 PB = 1947 SB = 1955 BK1 = A924 RA 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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