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JPL Small-Body Database Browser
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704 Interamnia (A910 TC)
Classification: Main-belt Asteroid          SPK-ID: 2000704
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 139 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1546583254865493 2.6367e-08  
a 3.057946071925341 5.5003e-09 au
q 2.585009253013197 8.154e-08 au
i 17.30973949062725 2.8651e-06 deg
node 280.2846682803037 9.7353e-06 deg
peri 94.98290876916639 1.3533e-05 deg
M 100.5996471864822 1.0155e-05 deg
tp 2458054.695493698235
(2017-Oct-28.19549370)
5.4547e-05 TDB
period 1953.184009725215
5.35
5.2698e-06
1.443e-08
d
yr
n .1843144313119003 4.9729e-10 deg/d
Q 3.530882890837485 6.351e-09 au
  Orbit Determination Parameters
   # obs. used (total)      4652  
   data-arc span      39870 days (109.16 yr)  
   first obs. used      1910-10-09  
   last obs. used      2019-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4145  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-13 20:47:12  

Additional Information
 Earth MOID = 1.65737 au 
 Jupiter MOID = 2.14087 au 
 T_jup = 3.148 
[ 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 6.4   n/a MPO502159 IRAS observations used: 28
magnitude slope G -0.02   n/a PDS3 (MPC 17259) Fit
diameter diameter 306.313 km 1.031 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
GM GM 5. km^3/s^2 n/a Landgraf, IAU Symposium #152, 1992  
rotation period rot_per 8.727 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Published Reference List:
[Tempesti, P. (1975) Mem. Soc. Astron. Ital. 46, 397-405.]
[Lustig, G.; Hahn, G. (1976) Acta Physica Austriaca 44, 199-205.]
[Michalowski, T.; Velichko, F.P.; Di Martino, M.; Krugly, et al. (1995) Icarus 118, 292-301.]
[Behrend, R. (2003) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Behrend, R. (2006) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Behrend, R. (2007) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Hamanowa, H.; Hamanowa, H. (2011) http://www2.ocn.ne.jp/~hamaten/astlcdata.htm]
[Behrend, R. (2012) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Sato, I.; Buie, M.; Maley, P.D.; Hamanowa, H.; et al. (2014) Intl. Journ. Astron. Astrophys. 4, 91-118.]
[Behrend, R. (2017) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Warner, B.D. (2018) Minor Planet Bull. 45, 39-45.]
geometric albedo albedo 0.078   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
B-V BV 0.645   0.014 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=11; phase (min.=1.61, mean=13.90, max.=22.24) deg.
U-B UB 0.259   0.021 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=10; phase (min.=1.61, mean=13.78, max.=22.24) deg.
Tholen spectral type spec_T F   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 7 color indices; used ground-based radiometric albedo
SMASSII spectral type spec_B B   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)

704 Interamnia (A910 TC)          Discovered 1910-Oct-02 by Cerulli, V. at Teramo
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 A910 TC = 1952 MW 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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