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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1286193099153103 3.2003e-08  
a 3.167974086210277 1.4161e-08 au
q 2.760511445412326 1.0011e-07 au
i 6.939156435579664 3.6139e-06 deg
node 89.7604577954062 3.3994e-05 deg
peri 176.6246503528102 3.7508e-05 deg
M 47.92272818729779 1.5772e-05 deg
tp 2458326.336339000760
(2018-Jul-26.83633900)
9.013e-05 TDB
period 2059.542970383044
5.64
1.381e-05
3.781e-08
d
yr
n .1747960616393672 1.172e-09 deg/d
Q 3.575436727008229 1.5983e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2738  
   data-arc span      33832 days (92.63 yr)  
   first obs. used      1927-04-22  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47419  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-13 20:55:54  

Additional Information
 Earth MOID = 1.7442 au 
 Jupiter MOID = 1.51145 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. 2019-January); 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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