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180 Garumna (A878 BA)
Classification: Main-belt Asteroid          SPK-ID: 2000180
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1673893269264756 3.7359e-08  
a 2.72086083297018 9.3344e-09 au
q 2.265417769478692 1.0107e-07 au
i .867790418613115 4.3646e-06 deg
node 311.8667626918098 0.00026231 deg
peri 176.1795932543015 0.0002626 deg
M 248.9736230287851 1.4004e-05 deg
tp 2459506.070340166042
(2021-Oct-18.57034017)
6.5039e-05 TDB
period 1639.29804272513
4.49
8.4359e-06
2.31e-08
d
yr
n .219606191563277 1.1301e-09 deg/d
Q 3.176303896461668 1.0897e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2768  
   data-arc span      36942 days (101.14 yr)  
   first obs. used      1919-04-21  
   last obs. used      2020-06-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46754  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 15:08:52  

Additional Information
 Earth MOID = 1.28049 au 
 Jupiter MOID = 1.88243 au 
 T_jup = 3.338 
[ 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 10.2   n/a MPO502154  
diameter diameter 23.440 km 0.414 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 23.866 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Behrend, R. (2004) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Stephens, R.D. (2008) Minor Planet Bull. 35, 60-61.]
[Clark, M. (2010) Minor Planet Bull. 37, 89-92.]
[Pilcher, F.; Benishek, V.; Delos, S.; Barker, T.; et al. (2012) Minor Planet Bull. 39, 46.]
[Hanus, J.; Durech, J.; Oszkiewicz, D.A.; Behrend, R.; et al. (2016) Astron. Astrophys. 586, A108.]
geometric albedo albedo 0.242   0.030 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
B-V BV 0.829   0.025 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=2; phase (min.=2.69, mean=6.06, max.=9.42) deg.
U-B UB 0.451   0.052 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=2; phase (min.=2.69, mean=6.06, max.=9.42) deg.
Tholen spectral type spec_T S   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 2 color indices
SMASSII spectral type spec_B Sq   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)

180 Garumna (A878 BA)          Discovered 1878-Jan-29 by Perrotin, J. at Toulouse
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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