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1209 Pumma (1927 HA)
Classification: Main-belt Asteroid          SPK-ID: 2001209
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 43 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1284034119629118 3.1504e-08  
a 3.168656189543563 1.3567e-08 au
q 2.76178992346877 9.7982e-08 au
i 6.939133033858012 3.4677e-06 deg
node 89.76122393995907 3.2008e-05 deg
peri 176.7383044242544 3.5197e-05 deg
M 117.7390165572289 1.5078e-05 deg
tp 2458326.703099418746
(2018-Jul-27.20309942)
8.5617e-05 TDB
period 2060.20817314495
5.64
1.3232e-05
3.623e-08
d
yr
n .1747396232539223 1.1223e-09 deg/d
Q 3.575522455618355 1.5309e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3040  
   data-arc span      34177 days (93.57 yr)  
   first obs. used      1927-04-22  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45499  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 01:59:09  

Additional Information
 Earth MOID = 1.74589 au 
 Jupiter MOID = 1.51221 au 
 T_jup = 3.179 
[ 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 10.7   n/a MPO502164  
diameter diameter 26.889 km 0.253 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 8.5001 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Behrend, R. (2012) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo albedo 0.141   0.028 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

1209 Pumma (1927 HA)          Discovered 1927-Apr-22 by Reinmuth, K. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1927 HA = 1950 JQ = 1963 UU 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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