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C/2025 R2 (SWAN)

Orbital period : 781.30 years

NASA/JPL elements
IAU/MPC elements


On 2026 Jan 29 17h50 UT by Joel Nicolas


(Copyright Joel Nicolas)

Nuclear magnitude (m2)18.2
m2 standard deviation0.1
Aperture radius used for m25.6 "
r (dist/Sun) 2.521 AU
d (dist/Earth) 2.507 AU
Right ascension01 39 19.08 h m s
Declination+14 58 27.6 ° ' "
MPC report
COD A77
CON J. Nicolas
OBS J. Nicolas
MEA J. Nicolas
TEL 0.41-m f/3.3 reflector + CCD
NUM 2
ACK MPCReport file updated 2026.01.31 11:17:32
NET ATLAS2
AC2 nicolas.joel@wanadoo.fr
    CK25R020 KC2026 01 29.74334 01 39 19.08 +14 58 27.6          18.2 R      A77
    CK25R020 KC2026 01 29.75532 01 39 20.05 +14 58 31.3          18.1 R      A77
Instrumental configurationConfig1
Instrument typeNewton
Instrument aperture (0=naked eye)410 mm
Instrument focale length1353 mm
Instrument focale/diameter3.3
Filter(s)None
CameraST8XME
SensorCCD
Sensor temperature-20 °C
Binning1x1
Exposure details18*90s
Air mass1.19
Observatory MPC codeA77
Location04 Dauban
Reference stars catalogATLAS2
Used softwaresTycho
Resulting picture sampling (scale)1.4 "/pix
Observation submission date2026 Jan 31 11h21m10s
Observation modification date2026 Jan 31 11h40m43s

(Record n° 30934)

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