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45073 Doyanrose (1999 XN37)
Classification: Main-belt Asteroid          SPK-ID: 2045073
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1476916428677658 4.5191e-08  
a 2.334076615357656 8.5475e-09 au
q 1.989353005456249 1.0627e-07 au
i 6.907747177056136 4.8216e-06 deg
node 8.014846605676167 3.174e-05 deg
peri 21.90542166097454 3.4765e-05 deg
M 297.2403505009556 1.4912e-05 deg
tp 2459227.564424890958
(2021-Jan-13.06442489)
5.4501e-05 TDB
period 1302.480074589796
3.57
7.1546e-06
1.959e-08
d
yr
n .2763957829553582 1.5183e-09 deg/d
Q 2.678800225259062 9.8099e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1314  
   data-arc span      14163 days (38.78 yr)  
   first obs. used      1981-10-24  
   last obs. used      2020-08-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50509  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 04:13:16  

Additional Information
 Earth MOID = .995802 au 
 Jupiter MOID = 2.7772 au 
 T_jup = 3.545 
[ show covariance matrix ]

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 14.8   n/a MPO436095  
rotation period rot_per 3.16 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Ruthroff, J.C. (2011) Minor Planet Bull. 38, 186.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

45073 Doyanrose           Discovered 1999 Dec. 7 by J. Ruthroff at Indianapolis.
Doyan Rose Ruthroff (1923-1974) was the discoverer's mother. "Remember I am with you always, to the very end of the age."
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20030501/MPCPages.arcLast Updated: 2003-10-02

[ show close-approach data ]
Alternate Designations
 1999 XN37 = 1981 UK28 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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