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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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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1673893247434168 3.6975e-08  
a 2.720860832454903 9.2495e-09 au
q 2.265417774989466 1.0017e-07 au
i .8677905246462392 4.3334e-06 deg
node 311.8667592700203 0.00026189 deg
peri 176.1795966735729 0.00026218 deg
M 248.97362337845 1.3979e-05 deg
tp 2459506.070338430188
(2021-Oct-18.57033843)		 6.4905e-05 TDB
period 1639.298042259455
4.49		 8.3591e-06
2.289e-08		 d
yr
n .2196061916256606 1.1198e-09 deg/d
Q 3.17630388992034 1.0798e-08 au
   Orbit Determination Parameters
   # obs. used (total)      2836  
   data-arc span      36996 days (101.29 yr)  
   first obs. used      1919-04-21  
   last obs. used      2020-08-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46221  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 22:11:35  

Additional Information
 Earth MOID = 1.28049 au 
 Jupiter MOID = 1.88243 au 
 T_jup = 3.338 
[ hide covariance matrix ]
Orbital Elements at Epoch 2455786.5 (2011-Aug-13.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1664244345175283 3.6926e-08  
q 2.27122703506819 1.0031e-07 au
tp 2456221.603604899786
(2012-Oct-21.10360490)		 5.9198e-05 TDB
node 312.5152176013564 0.0002622 deg
peri 175.1391055448483 0.00026249 deg
i .8663230684346792 4.333e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      2836  
   data-arc span      36996 days (101.29 yr)  
   first obs. used      1919-04-21  
   last obs. used      2020-08-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46221  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 22:11:35  

Additional Information
 Jupiter MOID = 1.88243 au 
 T_jup = 3.338 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.36354657365416E-15 -3.69294066161639E-15 3.14040034252026E-13 -6.396162769874677E-15 7.565952438287184E-14 -3.250874237238511E-17
q -3.69294066161639E-15 1.006235798792112E-14 -7.260080920430521E-13 2.288606245691273E-14 -1.888453482970584E-13 -2.361592137036134E-17
tp 3.14040034252026E-13 -7.260080920430521E-13 3.504389610727051E-9 -8.463929562608849E-12 7.533909444702368E-10 -1.006693641815373E-13
node -6.396162769874677E-15 2.288606245691273E-14 -8.463929562608849E-12 6.874927716162879E-8 -6.874235965841359E-8 1.431514007062954E-10
peri 7.565952438287184E-14 -1.888453482970584E-13 7.533909444702368E-10 -6.874235965841359E-8 6.890322045533035E-8 -1.431704393226511E-10
i -3.250874237238511E-17 -2.361592137036134E-17 -1.006693641815373E-13 1.431514007062954E-10 -1.431704393226511E-10 1.877481149318465E-11

[ 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

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