Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.697641E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-05T19:30:08+0800
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    1 Object 1

    Name CYGFM02
    AOE ID 41886
    NORAD ID 41886
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 68128
    NORAD ID 68128
    Object Type ROCKET BODY
    Country
    US US

    Conjunction Constraints

    Parameter CYGFM02 FIREFLY ALPHA R/B
    Time of Closest Approach 2026-09-07T11:51:13+0000
    Collision Probability (Pc) 1.697641E-6
    Conjunction Distance (km) 2.459 km
    Relative Speed (km/s) 13.293 km/s
    Conjunction Risk Parameters R (Radial): 2.456 | I (In-track): -0.069 | C (Cross-track): -0.107
    Collision Risk Index (CRI) 0.4
    X Position (km) 4237.725 4239.19
    Position Y (km) -3704.62 -3705.964
    Position Z (km) -3694.307 -3695.753
    Velocity X (km/s) 5.587 -0.903
    Velocity Y (km/s) 5.14 -5.882
    Velocity Z (km/s) 1.257 4.873

    Orbital Parameters 国际轨道数据源

    Parameter CYGFM02 FIREFLY ALPHA R/B
    Semimajor Axis (a) 6735.024 km 6732.999 km
    Eccentricity (e) 0.000489 0.000435
    Inclination (i) 34.9399° 123.0879°
    RAAN 44.7307° 281.5089°
    Perigee Argument 273.2404° 12.9819°
    Mean Anomaly (M) 86.7765° 347.1360°
    Apogee 360.180 km 357.794 km
    Perigee 353.594 km 351.930 km
    Orbit Epoch 2026-09-05T03:44:01+0000 2026-09-04T19:54:31+0000

    CYGFM02 & FIREFLY ALPHA R/B Collision Probability (Pc) Trend

    CYGFM02 & FIREFLY ALPHA R/B Collision Probability (Pc) TrendNot Available

    CYGFM02 & FIREFLY ALPHA R/B Miss Distance (Miss Distance) Trend

    CYGFM02 & FIREFLY ALPHA R/B Miss Distance (Miss Distance) TrendNot Available

    CYGFM02Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    FIREFLY ALPHA R/BMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    CYGFM02Collision Probability Trend

    Object 1 Probability TrendNot Available

    FIREFLY ALPHA R/BCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CYGFM02

    No nearby objects data