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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .167479286544826 3.2097e-08  
a 2.721191581950661 8.0948e-09 au
q 2.265448357253778 8.8864e-08 au
i .8678084005524381 3.6257e-06 deg
node 311.8679752399714 0.00026051 deg
peri 176.1371090755508 0.00026079 deg
M 292.9455712595943 1.3507e-05 deg
tp 2459505.895104669609
(2021-Oct-18.39510467)
6.2094e-05 TDB
period 1639.596962442098
4.49
7.3161e-06
2.003e-08
d
yr
n .2195661545162892 9.7973e-10 deg/d
Q 3.176934806647544 9.4505e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3274  
   data-arc span      37163 days (101.75 yr)  
   first obs. used      1919-04-21  
   last obs. used      2021-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43434  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 00:44:10  

Additional Information
 Earth MOID = 1.28045 au 
 Jupiter MOID = 1.88141 au 
 T_jup = 3.338 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456338.5 (2013-Feb-15.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1650190271776332 3.2084e-08  
q 2.273090168713363 8.8639e-08 au
tp 2456222.218332134507
(2012-Oct-21.71833213)
5.8608e-05 TDB
node 312.2182414763389 0.00026094 deg
peri 175.519295792536 0.00026123 deg
i .8663881819563819 3.6247e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      3274  
   data-arc span      37163 days (101.75 yr)  
   first obs. used      1919-04-21  
   last obs. used      2021-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43434  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 00:44:10  

Additional Information
 Jupiter MOID = 1.88141 au 
 T_jup = 3.338 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.029399442369811E-15 -2.835751469201009E-15 9.809433481843245E-14 -3.577477076944022E-15 4.903729816942257E-14 1.131164454311235E-16
q -2.835751469201009E-15 7.856897131704704E-15 -1.877614447061722E-13 1.370250579148801E-14 -1.21433628461233E-13 -2.874585248004793E-16
tp 9.809433481843245E-14 -1.877614447061722E-13 3.434843646330071E-9 -9.365140203481871E-12 7.533821840990822E-10 2.005044981869483E-13
node -3.577477076944022E-15 1.370250579148801E-14 -9.365140203481871E-12 6.808712739142326E-8 -6.808036344974226E-8 1.540527369076538E-10
peri 4.903729816942257E-14 -1.21433628461233E-13 7.533821840990822E-10 -6.808036344974226E-8 6.82427046796551E-8 -1.539964033235058E-10
i 1.131164454311235E-16 -2.874585248004793E-16 2.005044981869483E-13 1.540527369076538E-10 -1.539964033235058E-10 1.313812296730096E-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. 2020-October); 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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