The comet 128P/Shoemaker-Holt
From Ashburn (click to change), 128P/Shoemaker-Holt is visible between 18:50 and 03:44. It will become accessible at around 18:50, when it rises 24° above your eastern horizon, and then reach its highest point in the sky at 23:15, 61° above your southern horizon. It will become inaccessible at around 03:44 when it sinks to 25° above your western horizon.
Object Type Comet
|Brightness (V):||Mag 17.0|
|Semi-major axis:||4.50 AU|
|Longitude ascending node:||214.30°|
|Argument of perihelion:||210.54°|
|Epoch of elements:||11 February 2018|
|Mean Anomaly at epoch:||41.05°|
|Orbital period:||9.54 years|
The MPC's magnitude estimates are updated rather rarely, and so we prefer to estimate the brightness of comets on the basis of amateur observations. No amateur observations of are available, however, and consequently the magnitude estimates shown here may be unreliable.