- K. S. Russell; (bio-it) K. S.
Russell (3714) John
Ruthroff 1 n.a. J.
Ruthroff; (bio-it) J.
Ruthroff — Erin Lee Ryan 9 n.a. E. L. Ryan; IAU
Archived 27...
- JPL 45073
Doyanrose 1999 XN37
Doyanrose December 7, 1999
Doyan Rose J.
Ruthroff V 2.5 km MPC · JPL 45074 1999 XA38 —
December 6, 1999
Gnosca S. Sposetti...
-
Database Browser, NASA Jet
Propulsion Laboratory,
retrieved 6 May 2016.
Ruthroff, John C. (July 2009), "Photometric
Observations and
Lightcurve Analysis...
- 45027 45073
Doyanrose 1999 XN37
Doyan Rose
Ruthroff (1923–1974),
mother of
American astronomer John
Ruthroff, who
discovered this
minor planet. JPL · 45073...
-
challenges in construction. In
response to this, the
engineering firm of
Ruthroff and
Engelkirk built piling foundations under each
structure so as to allow...
- was
obtained from
photometric observations by
American astronomer John
Ruthroff at the
Shadowbox Observatory in Indiana.
Lightcurve analysis gave a well-defined...
- doi:10.1088/0004-6256/150/3/75. S2CID 8342929.
Retrieved 28
November 2017.
Ruthroff, John C. (April 2011). "Lightcurve
Analysis of
Eight Main-belt Asteroids...
- Small-Body Database. NASA/Jet
Propulsion Laboratory.
Retrieved 2 May 2016.
Ruthroff, John C. (April 2010), "Lightcurve
Analysis of
Asteroid 990 Yerkes", The...
- 741...90M. doi:10.1088/0004-637X/741/2/90.
Retrieved 14
January 2016.
Ruthroff, John C. (April 2011). "Lightcurve
Analysis of
Eight Main-belt Asteroids...
- doi:10.1088/2041-8205/759/1/L8. S2CID 46350317.
Retrieved 23
December 2016.
Ruthroff, John C. (April 2011). "Lightcurve
Analysis of
Eight Main-belt Asteroids...
