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25049 Christofnorn (1998 QS45)
Classification: Main-belt Asteroid          SPK-ID: 2025049
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1181494883826745 4.3897e-08  
a 2.423661936029563 1.0222e-08 au
q 2.137307518275108 1.0693e-07 au
i 3.961991326618149 3.9633e-06 deg
node 268.0923698202424 6.9512e-05 deg
peri 66.5758507743503 7.1465e-05 deg
M 283.4330153323654 1.7809e-05 deg
tp 2459293.620055135534
(2021-Mar-20.12005514)
6.8669e-05 TDB
period 1378.181735990417
3.77
8.7191e-06
2.387e-08
d
yr
n .2612137358947726 1.6526e-09 deg/d
Q 2.710016353784019 1.143e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1337  
   data-arc span      13797 days (37.77 yr)  
   first obs. used      1982-04-20  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51304  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 00:22:05  

Additional Information
 Earth MOID = 1.13088 au 
 Jupiter MOID = 2.61295 au 
 T_jup = 3.499 
[ 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 15.0   n/a MPO337470  
diameter diameter 7.205 km 2.640 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  
geometric albedo albedo 0.041   0.040 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  

25049 Christofnorn           Discovered 1998 Aug. 17 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Christoffer Norn (b. 1987) was awarded first place in the 2008 Intel International Science and Engineering Fair for his energy and transportation project. He attends the Lyngby Technical High School, Kongens Lyngby, Denmark.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20080917/MPCPages.arcLast Updated: 2008-09-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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