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25125 Brodallan (1998 RN78)
Classification: Main-belt Asteroid          SPK-ID: 2025125
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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0966174305290624 4.0598e-08  
a 2.524740609666139 9.6151e-09 au
q 2.280806659207818 1.0294e-07 au
i 4.362399208102032 3.9714e-06 deg
node 86.29665191600758 5.9683e-05 deg
peri 163.4487982591991 6.3214e-05 deg
M 251.9867308214984 2.2032e-05 deg
tp 2459440.140998264764
(2021-Aug-13.64099826)
9.0364e-05 TDB
period 1465.289964640904
4.01
8.3705e-06
2.292e-08
d
yr
n .2456851604032001 1.4035e-09 deg/d
Q 2.76867456012446 1.0544e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1611  
   data-arc span      10803 days (29.58 yr)  
   first obs. used      1990-09-28  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51694  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 05:52:25  

Additional Information
 Earth MOID = 1.26699 au 
 Jupiter MOID = 2.25048 au 
 T_jup = 3.444 
[ 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 14.3   n/a MPO452521  
diameter diameter 3.622 km 0.211 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.371   0.069 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

25125 Brodallan           Discovered 1998 Sept. 14 by Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Broderick David Allan (b. 1995) is a finalist in the 2008 Society for Science and the Public middle school science competition, for his engineering project. He attends the Saginaw Arts and Sciences Academy, Saginaw, Michigan.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20090111/MPCPages.arcLast Updated: 2009-05-11

Alternate Designations
 1998 RN78 = 1997 LP6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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