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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 ]

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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 150 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1553914917874949 1.6405e-08  
a 3.055974017675438 4.9143e-09 au
q 2.581101656205027 5.2668e-08 au
i 17.31066208154346 6.1623e-07 deg
node 280.2826931649034 1.9315e-06 deg
peri 94.84358164505757 7.0674e-06 deg
M 247.5699855285594 8.4601e-06 deg
tp 2460005.900321344933
(2023-Mar-02.40032134)
4.6812e-05 TDB
period 1951.294916357978
5.34
4.7068e-06
1.289e-08
d
yr
n .184492870340649 4.4502e-10 deg/d
Q 3.530846379145848 5.6779e-09 au
  Orbit Determination Parameters
   # obs. used (total)      5016  
   data-arc span      40358 days (110.49 yr)  
   first obs. used      1910-10-09  
   last obs. used      2021-04-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .41905  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 11:27:09  

Additional Information
 Earth MOID = 1.65353 au 
 Jupiter MOID = 2.14546 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 6.38   n/a MPCxxxxx 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. 2020-October); 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.]
[Hanuš, J.; Vernazza, P.; Viikinkoski, M.; Ferrais, M.; et al. (2020) Astron. Astrophys. 633, A65.]
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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