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JPL Small-Body Database Browser
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1882 Rauma (1941 UJ)
Classification: Main-belt Asteroid          SPK-ID: 2001882
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09218970221282403 3.3605e-08  
a 3.007851284151662 1.1504e-08 au
q 2.73055836996526 9.8711e-08 au
i 9.484179248713282 4.3342e-06 deg
node 201.2419053509085 1.8119e-05 deg
peri 126.1121273669219 2.7985e-05 deg
M 86.88831421815495 2.1435e-05 deg
tp 2458540.622843811429
0.00011323 TDB
period 1905.385985648384
n .1889380958564653 1.084e-09 deg/d
Q 3.285144198338064 1.2565e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2856  
   data-arc span      28596 days (78.29 yr)  
   first obs. used      1941-10-19  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47571  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 16:07:31  

Additional Information
 Earth MOID = 1.7334 au 
 Jupiter MOID = 2.05984 au 
 T_jup = 3.223 
[ 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 11.4   n/a MPO448930  
diameter diameter 17.766 km 0.241 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (  
rotation period rot_per 25. h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Behrend, R. (2008) Observatoire de Geneve web site,]
geometric albedo albedo 0.124   0.019 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (  
SMASSII spectral type spec_B K   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)

1882 Rauma           Discovered 1941 Oct. 15 by L. Oterma at Turku.
Named for a Finnish town, famous for its seafaring and lace-making, that developed around a monastery in the first part of the fifteenth century. The area was already populated in the bronze age.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC 5450Last Updated: 2006-03-21

Alternate Designations
 1941 UJ = 1955 KC = 1972 RP1 = 1972 RX 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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