Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    6.04835E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T03:14:51+0800
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    1 Object 1

    AOE ID 25078
    NORAD ID 25078
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 30370
    NORAD ID 30370
    Object Type DEBRIS
    Country
    CN CN

    Conjunction Constraints

    Parameter IRIDIUM 44 FENGYUN 1C DEB
    Time of Closest Approach 2026-10-21T01:44:48+0000
    Collision Probability (Pc) 6.04835E-7
    Conjunction Distance (km) 2.553 km
    Relative Speed (km/s) 2.288 km/s
    Conjunction Risk Parameters R (Radial): -2.55 | I (In-track): 0.108 | C (Cross-track): 0.003
    Collision Risk Index (CRI) 0.31
    X Position (km) -5060.18 -5058.44
    Position Y (km) -940.548 -940.237
    Position Z (km) 4933.592 4931.75
    Velocity X (km/s) -4.956 -5.285
    Velocity Y (km/s) -1.583 0.68
    Velocity Z (km/s) -5.372 -5.3

    Orbital Parameters 国际轨道数据源

    Parameter IRIDIUM 44 FENGYUN 1C DEB
    Semimajor Axis (a) 7134.559 km 7202.209 km
    Eccentricity (e) 0.000201 0.010113
    Inclination (i) 86.4004° 99.0327°
    RAAN 14.3516° 0.8033°
    Perigee Argument 147.1553° 149.3848°
    Mean Anomaly (M) 212.9772° 241.6341°
    Apogee 757.859 km 896.908 km
    Perigee 754.985 km 751.236 km
    Orbit Epoch 2026-10-20T05:06:49+0000 2026-10-20T03:16:37+0000

    IRIDIUM 44 & FENGYUN 1C DEB Collision Probability (Pc) Trend

    IRIDIUM 44 & FENGYUN 1C DEB Collision Probability (Pc) TrendNot Available

    IRIDIUM 44 & FENGYUN 1C DEB Miss Distance (Miss Distance) Trend

    IRIDIUM 44 & FENGYUN 1C DEB Miss Distance (Miss Distance) TrendNot Available

    IRIDIUM 44Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    IRIDIUM 44Collision Probability Trend

    Object 1 Probability TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with IRIDIUM 44

    No nearby objects data