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23990 Springsteen (1999 RM1)
Classification: Main-belt Asteroid          SPK-ID: 2023990
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0581199302201019 2.726e-08  
a 2.197325182426146 6.7997e-09 au
q 2.069616796152666 6.0141e-08 au
i 2.564779691366524 3.4932e-06 deg
node 152.9736705712251 8.4106e-05 deg
peri 229.3818062847655 9.1607e-05 deg
M 95.3983248089429 3.6375e-05 deg
tp 2458685.233246820593
(2019-Jul-20.73324682)		 0.00012031 TDB
period 1189.706751894109
3.26		 5.5223e-06
1.512e-08		 d
yr
n .3025955761172667 1.4046e-09 deg/d
Q 2.325033568699626 7.1948e-09 au
   Orbit Determination Parameters
   # obs. used (total)      902  
   data-arc span      21678 days (59.35 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-01-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52683  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 00:06:26  

Additional Information
 Earth MOID = 1.07279 au 
 Jupiter MOID = 2.88183 au 
 T_jup = 3.664 
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[ 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 16.0   n/a MPO439265  
diameter diameter 1.569 km 0.255 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.286   0.079 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

23990 Springsteen           Discovered 1999 Sept. 4 by I. P. Griffin at Auckland.
Bruce Springsteen (b. 1949) is a singer and songwriter whose music has provided a social commentary upon late-twentieth-century America. On the night this minor planet was discovered, his music entertained the observers.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20010705/MPCPages.arcLast Updated: 2009-05-11

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Alternate Designations
 1999 RM1 = 9536 P-L 
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