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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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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 46 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .128172477840531 1.4247e-08  
a 3.169503140032211 1.2656e-08 au
q 2.763260069050939 4.673e-08 au
i 6.938700359946165 1.3324e-06 deg
node 89.76403370171003 5.8162e-06 deg
peri 176.8144562787509 1.0011e-05 deg
M 152.6022356990461 1.0504e-05 deg
tp 2458326.837687188562
(2018-Jul-27.33768719)
5.8211e-05 TDB
period 2061.034238268919
5.64
1.2345e-05
3.38e-08
d
yr
n .1746695873923798 1.0462e-09 deg/d
Q 3.575746211013483 1.4279e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3292  
   data-arc span      34285 days (93.87 yr)  
   first obs. used      1927-04-22  
   last obs. used      2021-03-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44165  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Mar-16 12:19:33  

Additional Information
 Earth MOID = 1.74558 au 
 Jupiter MOID = 1.5112 au 
 T_jup = 3.178 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457225.5 (2015-Jul-22.0) TDB
Reference: JPL 46 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1305241288278891 1.4145e-08  
q 2.753237033078751 4.6452e-08 au
tp 2456272.349695779893
(2012-Dec-10.84969578)
5.501e-05 TDB
node 89.86999212053315 5.8256e-06 deg
peri 177.5415073544206 9.9731e-06 deg
i 6.935578805562828 1.3316e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      3292  
   data-arc span      34285 days (93.87 yr)  
   first obs. used      1927-04-22  
   last obs. used      2021-03-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44165  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Mar-16 12:19:33  

Additional Information
 Jupiter MOID = 1.5112 au 
 T_jup = 3.178 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.000893860217393E-16 -6.38356057545098E-16 2.074251064185914E-13 7.425108078483879E-15 1.930359329836227E-14 2.53050703216433E-15
q -6.38356057545098E-16 2.157828704214378E-15 -5.883930728527839E-13 -2.297841433102771E-14 -4.292519751042646E-14 -7.788492774855481E-15
tp 2.074251064185914E-13 -5.883930728527839E-13 3.026079048906177E-9 -6.271541770152001E-12 4.410387303543791E-10 -9.573315023194445E-13
node 7.425108078483879E-15 -2.297841433102771E-14 -6.271541770152001E-12 3.393781385626929E-11 -3.485563621881224E-11 -5.567064243738819E-13
peri 1.930359329836227E-14 -4.292519751042646E-14 4.410387303543791E-10 -3.485563621881224E-11 9.946198354274644E-11 6.006771104917164E-13
i 2.53050703216433E-15 -7.788492774855481E-15 -9.573315023194445E-13 -5.567064243738819E-13 6.006771104917164E-13 1.77314307000121E-12

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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