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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 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1674792851106518 3.1986e-08  
a 2.721191580551776 8.0608e-09 au
q 2.26544835999184 8.8616e-08 au
i .8678086023185961 3.5986e-06 deg
node 311.8679826021879 0.00026011 deg
peri 176.1371016253864 0.0002604 deg
M 292.9455713577954 1.3458e-05 deg
tp 2459505.895103986866
(2021-Oct-18.39510399)
6.1866e-05 TDB
period 1639.596961177794
4.49
7.2853e-06
1.995e-08
d
yr
n .219566154685598 9.756e-10 deg/d
Q 3.176934801111712 9.4108e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3351  
   data-arc span      37224 days (101.91 yr)  
   first obs. used      1919-04-21  
   last obs. used      2021-03-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .43067  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 17:59:52  

Additional Information
 Earth MOID = 1.28045 au 
 Jupiter MOID = 1.88141 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. 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

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