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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 49 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1279249307643991 1.4248e-08  
a 3.170237375010718 1.2657e-08 au
q 2.764684978305762 4.6742e-08 au
i 6.938013353677567 1.3321e-06 deg
node 89.76505534930827 5.8152e-06 deg
peri 176.8513922552287 1.0023e-05 deg
M 186.7877898899936 1.0603e-05 deg
tp 2460388.500981394894
(2024-Mar-19.00098139)
6.3457e-05 TDB
period 2061.750456710622
5.64
1.2347e-05
3.38e-08
d
yr
n .1746089100299532 1.0456e-09 deg/d
Q 3.575789771715674 1.4276e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3374  
   data-arc span      34337 days (94.01 yr)  
   first obs. used      1927-04-22  
   last obs. used      2021-04-25  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44054  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 12:06:11  

Additional Information
 Earth MOID = 1.74873 au 
 Jupiter MOID = 1.51003 au 
 T_jup = 3.178 
[ 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 10.73   n/a E2021B10  
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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