Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    4.77582E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-08T19:37:04+0800
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    1 Object 1

    AOE ID 25544
    NORAD ID 25544
    Object Type PAYLOAD
    Country
    CIS CIS
    ← VS →

    2 Object 2

    AOE ID 67796
    NORAD ID 67796
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter ISS (ZARYA) DRAGON FREEDOM 3
    Time of Closest Approach 2026-10-08T15:09:21+0000
    Collision Probability (Pc) 4.77582E-7
    Conjunction Distance (km) 1.788 km
    Relative Speed (km/s) 0.003 km/s
    Conjunction Risk Parameters R (Radial): -0.004 | I (In-track): 1.787 | C (Cross-track): 0.038
    Collision Risk Index (CRI) 0.29
    X Position (km) 2469.71 2468.759
    Position Y (km) -6030.693 -6031.497
    Position Z (km) -1932.714 -1931.433
    Velocity X (km/s) 3.96 3.961
    Velocity Y (km/s) 3.414 3.413
    Velocity Z (km/s) -5.599 -5.6

    Orbital Parameters 国际轨道数据源

    Parameter ISS (ZARYA) DRAGON FREEDOM 3
    Semimajor Axis (a) 6798.467 km 6798.485 km
    Eccentricity (e) 0.000682 0.000680
    Inclination (i) 51.6314° 51.6309°
    RAAN 102.6904° 104.6054°
    Perigee Argument 235.5202° 233.7311°
    Mean Anomaly (M) 124.5143° 126.3049°
    Apogee 424.964 km 424.970 km
    Perigee 415.696 km 415.726 km
    Orbit Epoch 2026-10-07T19:42:27+0000 2026-10-07T10:24:58+0000

    ISS (ZARYA) & DRAGON FREEDOM 3 Collision Probability (Pc) Trend

    ISS (ZARYA) & DRAGON FREEDOM 3 Collision Probability (Pc) TrendNot Available

    ISS (ZARYA) & DRAGON FREEDOM 3 Miss Distance (Miss Distance) Trend

    ISS (ZARYA) & DRAGON FREEDOM 3 Miss Distance (Miss Distance) TrendNot Available

    ISS (ZARYA)Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    DRAGON FREEDOM 3Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    ISS (ZARYA)Collision Probability Trend

    Object 1 Probability TrendNot Available

    DRAGON FREEDOM 3Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with ISS (ZARYA)

    No nearby objects data