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2841 Puijo (1943 DM)
Classification: Main-belt Asteroid          SPK-ID: 2002841
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08448109509559618 3.8411e-08  
a 2.252660570227929 7.4256e-09 au
q 2.062353338376403 8.7365e-08 au
i 4.915135909699505 3.7173e-06 deg
node 91.5803495687634 4.7923e-05 deg
peri 88.92047612894771 5.4533e-05 deg
M 284.5729963383555 2.9542e-05 deg
tp 2459259.241694415174
(2021-Feb-13.74169441)
0.00010209 TDB
period 1234.929209269768
3.38
6.1061e-06
1.672e-08
d
yr
n .2915146854554305 1.4414e-09 deg/d
Q 2.442967802079454 8.0529e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2250  
   data-arc span      28173 days (77.13 yr)  
   first obs. used      1943-02-26  
   last obs. used      2020-04-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44649  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 01:45:58  

Additional Information
 Earth MOID = 1.07211 au 
 Jupiter MOID = 2.52375 au 
 T_jup = 3.616 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.0   n/a MPO431528  
diameter diameter 6.335 km 0.048 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 3.545 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Warner, B.D. (2004) Minor Planet Bull. 31, 85-88.]
geometric albedo albedo 0.391   0.074 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

2841 Puijo (1943 DM)          Discovered 1943-Feb-26 by Oterma, L. at Turku
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1943 DM = 1957 JT = 1975 UM = 1982 VM1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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