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1275 Cimbria (1932 WG)
Classification: Main-belt Asteroid          SPK-ID: 2001275
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 52 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1671502755986928 1.7839e-08  
a 2.681251034071129 8.0174e-09 au
q 2.23307918477686 4.8453e-08 au
i 12.85442164606952 1.4483e-06 deg
node 188.4289895556254 2.1042e-06 deg
peri 197.8978507097923 7.3887e-06 deg
M 96.36056208187222 5.1581e-06 deg
tp 2458967.258734835164
(2020-Apr-27.75873484)
2.2549e-05 TDB
period 1603.631736062812
4.39
7.1927e-06
1.969e-08
d
yr
n .2244904437248548 1.0069e-09 deg/d
Q 3.129422883365398 9.3575e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3443  
   data-arc span      32306 days (88.45 yr)  
   first obs. used      1932-11-30  
   last obs. used      2021-05-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4037  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 12:11:18  

Additional Information
 Earth MOID = 1.23887 au 
 Jupiter MOID = 2.33604 au 
 T_jup = 3.321 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456868.5 (2014-Jul-30.0) TDB
Reference: JPL 52 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .168947476142971 1.7965e-08  
q 2.227136519657481 4.8819e-08 au
tp 2457359.436778758251
(2015-Dec-02.93677876)
2.1625e-05 TDB
node 188.5717727584653 2.0992e-06 deg
peri 196.8939685810358 7.2623e-06 deg
i 12.87613162811246 1.45e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      3443  
   data-arc span      32306 days (88.45 yr)  
   first obs. used      1932-11-30  
   last obs. used      2021-05-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4037  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 12:11:18  

Additional Information
 Jupiter MOID = 2.33604 au 
 T_jup = 3.321 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.227501448801111E-16 -8.689886415667389E-16 -2.185376279489946E-14 8.04945971422617E-15 -3.011118791169694E-15 -1.448224179952531E-14
q -8.689886415667389E-16 2.383315173956145E-15 4.284204728422965E-14 -2.213050412706234E-14 2.782369855996099E-15 3.949964005081721E-14
tp -2.185376279489946E-14 4.284204728422965E-14 4.676316802019121E-10 -1.657337305795629E-11 1.528595368009555E-10 1.478651901034959E-11
node 8.04945971422617E-15 -2.213050412706234E-14 -1.657337305795629E-11 4.406606148971792E-12 -8.161845932544106E-12 -2.085680667562684E-12
peri -3.011118791169694E-15 2.782369855996099E-15 1.528595368009555E-10 -8.161845932544106E-12 5.274171060888396E-11 5.59546882924747E-12
i -1.448224179952531E-14 3.949964005081721E-14 1.478651901034959E-11 -2.085680667562684E-12 5.59546882924747E-12 2.102425807008425E-12

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 10.79   n/a E2021B10 IRAS observations used: 6
diameter diameter 27.622 km 0.500 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 5.65 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]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
[Durech, J.; Hanus, J.; Oszkiewsicz, D.; Vanco, R. (2016) Astron. Astrophys. 587, A48.]
geometric albedo albedo 0.141   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
B-V BV 0.698   0.043 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=3; phase (min.=7.39, mean=8.18, max.=8.80) deg.
U-B UB 0.304   0.036 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=3; phase (min.=7.39, mean=8.18, max.=8.80) deg.
Tholen spectral type spec_T X   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 7 color indices

1275 Cimbria (1932 WG)          Discovered 1932-Nov-30 by Reinmuth, K. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1932 WG = 1949 QL2 = A914 TG 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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