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15917 Rosahavel (1997 UX7)
Classification: Main-belt Asteroid          SPK-ID: 2015917
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1976422128957524 3.9991e-08  
a 2.791002441341492 1.522e-08 au
q 2.239382542637312 1.1359e-07 au
i 7.094086976280874 4.6239e-06 deg
node 225.9286174092723 4.3354e-05 deg
peri 223.0760132531179 4.5321e-05 deg
M 266.2638318402422 1.4621e-05 deg
tp 2459443.948761895471
(2021-Aug-17.44876190)
7.0636e-05 TDB
period 1703.094519612611
4.66
1.3931e-05
3.814e-08
d
yr
n .2113799298008935 1.729e-09 deg/d
Q 3.342622340045672 1.8228e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1358  
   data-arc span      18552 days (50.79 yr)  
   first obs. used      1969-10-18  
   last obs. used      2020-08-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50347  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 01:02:47  

Additional Information
 Earth MOID = 1.2617 au 
 Jupiter MOID = 1.9245 au 
 T_jup = 3.289 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456483.5 (2013-Jul-10.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1958022198689339 3.9289e-08  
q 2.245848800083387 1.1112e-07 au
tp 2456025.974164648926
(2012-Apr-08.47416465)
6.4721e-05 TDB
node 226.0846978173249 4.3173e-05 deg
peri 221.667749214323 4.5291e-05 deg
i 7.103831702938157 4.6381e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1358  
   data-arc span      18552 days (50.79 yr)  
   first obs. used      1969-10-18  
   last obs. used      2020-08-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50347  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 01:02:47  

Additional Information
 Jupiter MOID = 1.9245 au 
 T_jup = 3.289 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.543602904324557E-15 -4.339947665733396E-15 6.974918070108832E-14 1.106941331951113E-14 3.216030317284282E-14 -5.620682365725919E-16
q -4.339947665733396E-15 1.23477524937282E-14 -1.222201549286384E-13 -3.178700401236088E-14 -6.679069826801986E-14 1.82649483332903E-15
tp 6.974918070108832E-14 -1.222201549286384E-13 4.188809016745382E-9 -1.728497435122921E-11 9.251910237605765E-10 4.210074234162967E-12
node 1.106941331951113E-14 -3.178700401236088E-14 -1.728497435122921E-11 1.863881158157365E-9 -1.852396331023421E-9 -3.753841774463354E-11
peri 3.216030317284282E-14 -6.679069826801986E-14 9.251910237605765E-10 -1.852396331023421E-9 2.051237065995068E-9 3.813603343502636E-11
i -5.620682365725919E-16 1.82649483332903E-15 4.210074234162967E-12 -3.753841774463354E-11 3.813603343502636E-11 2.151207927391005E-11

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 13.5   n/a MPO347650  
diameter diameter 10.821 km 0.316 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 10.21938 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 sidereal period (not synodic); Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Durech, J.; Hanus, J.; Ali-Lagoa, V. (2018) Astron. Astrophys. 617, A57.]
geometric albedo albedo 0.072   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

15917 Rosahavel           Discovered 1997 Oct. 28 by L. Šarounová at Ondřejov.
Josef Havel (1930-2008) was a significant personality in Czech rose breeding. A diligent and modest man, he detected and preserved several color mutations and obtained numerous awards in international rose contests, including the gold medal in Rome for Nette Ingeborg.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20090409/MPCPages.arcLast Updated: 2009-04-10

[ show close-approach data ]
Alternate Designations
 1997 UX7 = 1969 UP2 
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