C/2011 C1 (McNaught)
- Capture date
- 2011-04-11
- Nearest MPC J01 observation
CK11C010 C2011 04 11.20596 21 48 40.21 +01 36 29.2 15.0 Nw74352J01
- Distance to the Sun
- 0.892069 AU (133,451,685 km)
- Distance to the Earth
- 1.023768 AU (153,153,458 km)
- Approximate magnitude
- ≈ 11.9 (comet total; Horizons model estimate)

Open original-resolution image
- Source filename
- c2011c1-20110411-j01.jpg
- Image dimensions
- 765 × 550
About this object
- Designation
- C/2011 C1
- Orbit class
- Comet
Orbital parameters: Epoch 2455666.5 JD TDB · q = 0.883 au · e = 0.997 · i = 16.8 deg · Ω = 192 deg · ω = 84.5 deg · T = 2455669.502 JD TDB