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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 45 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1281724576410642 3.1483e-08  
a 3.169503136358991 1.3234e-08 au
q 2.763260129870798 9.7837e-08 au
i 6.938697746873767 3.4474e-06 deg
node 89.76401027079378 2.899e-05 deg
peri 176.8144720319736 3.1995e-05 deg
M 152.6022426514085 1.4474e-05 deg
tp 2458326.837648904392
(2018-Jul-27.33764890)
8.1511e-05 TDB
period 2061.03423468604
5.64
1.2909e-05
3.534e-08
d
yr
n .1746695876960235 1.094e-09 deg/d
Q 3.575746142847184 1.493e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3217  
   data-arc span      34243 days (93.75 yr)  
   first obs. used      1927-04-22  
   last obs. used      2021-01-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44514  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 00:53:33  

Additional Information
 Earth MOID = 1.74558 au 
 Jupiter MOID = 1.5112 au 
 T_jup = 3.178 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457162.5 (2015-May-20.0) TDB
Reference: JPL 45 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1305131382785828 3.1024e-08  
q 2.753320238120574 9.6432e-08 au
tp 2456272.416264672816
(2012-Dec-10.91626467)
7.9364e-05 TDB
node 89.87016936152419 2.9041e-05 deg
peri 177.554098657586 3.2016e-05 deg
i 6.935503716528971 3.4448e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      3217  
   data-arc span      34243 days (93.75 yr)  
   first obs. used      1927-04-22  
   last obs. used      2021-01-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44514  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 00:53:33  

Additional Information
 Jupiter MOID = 1.5112 au 
 T_jup = 3.178 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.624814768227636E-16 -2.971454469173492E-15 -3.924607019400311E-13 1.380650524088558E-15 -7.951023186635044E-14 -6.235953684943409E-17
q -2.971454469173492E-15 9.299183624322488E-15 1.268702795488399E-12 -4.829065595246417E-15 2.64238365001387E-13 3.755780300363321E-16
tp -3.924607019400311E-13 1.268702795488399E-12 6.298713746175301E-9 5.760489414455944E-13 1.087129991479665E-9 -6.471906146040303E-13
node 1.380650524088558E-15 -4.829065595246417E-15 5.760489414455944E-13 8.433842936921736E-10 -8.369129575430453E-10 -2.262199837235474E-11
peri -7.951023186635044E-14 2.64238365001387E-13 1.087129991479665E-9 -8.369129575430453E-10 1.025033231721849E-9 2.232618220115886E-11
i -6.235953684943409E-17 3.755780300363321E-16 -6.471906146040303E-13 -2.262199837235474E-11 2.232618220115886E-11 1.18667468490137E-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 10.73   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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