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1304 Arosa (1928 KC)
Classification: Outer Main-belt Asteroid          SPK-ID: 2001304
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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 44 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1199692152510109 4.2629e-08  
a 3.200183912311541 1.6465e-08 au
q 2.816260359692615 1.4087e-07 au
i 18.95993272298597 4.7651e-06 deg
node 86.49574475886465 1.3629e-05 deg
peri 148.4619498614837 2.3256e-05 deg
M 87.52223549133035 1.7818e-05 deg
tp 2458888.133721875153
(2020-Feb-08.63372188)
0.00010388 TDB
period 2091.032742680271
5.72
1.6138e-05
4.418e-08
d
yr
n .1721637316585271 1.3287e-09 deg/d
Q 3.584107464930466 1.844e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2770  
   data-arc span      41144 days (112.65 yr)  
   first obs. used      1908-12-16  
   last obs. used      2021-08-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .40282  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 07:32:16  

Additional Information
 Earth MOID = 1.81879 au 
 Jupiter MOID = 1.53295 au 
 T_jup = 3.099 
[ 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 9.25   n/a E2021B10  
diameter diameter 43.613 km 0.241 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 7.7478 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Behrend, R. (2002) 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]
[Fauerbach, M.; Bennett, T.; Behrend, R.; Bernasconi, L.; Casulli, S. (2006) Minor Planet Bull. 33, 103.]
[Licchelli, D. (2006) Minor Planet Bull. 33, 105-106.]
geometric albedo albedo 0.337   0.031 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
SMASSII spectral type spec_B X   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)

1304 Arosa (1928 KC)          Discovered 1928-May-21 by Reinmuth, K. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1928 KC = 1929 RY = 1934 JL = 1934 LE = 1974 OW = A908 YC 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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