Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.912996E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T02:04:49+0800
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    1 Object 1

    AOE ID 35573
    NORAD ID 35573
    Object Type DEBRIS
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 66604
    NORAD ID 66604
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter CZ-4B DEB STARLINK-35977
    Time of Closest Approach 2026-10-20T03:33:05+0000
    Collision Probability (Pc) 1.912996E-6
    Conjunction Distance (km) 2.366 km
    Relative Speed (km/s) 14.353 km/s
    Conjunction Risk Parameters R (Radial): -1.409 | I (In-track): -0.626 | C (Cross-track): 1.794
    Collision Risk Index (CRI) 0.41
    X Position (km) 4960.497 4960.691
    Position Y (km) 4712.853 4710.702
    Position Z (km) 515.924 514.957
    Velocity X (km/s) 0.315 -3.564
    Velocity Y (km/s) -1.128 4.326
    Velocity Z (km/s) 7.525 -5.171

    Orbital Parameters 国际轨道数据源

    Parameter CZ-4B DEB STARLINK-35977
    Semimajor Axis (a) 6844.299 km 6861.140 km
    Eccentricity (e) 0.004216 0.000141
    Inclination (i) 97.7944° 43.0001°
    RAAN 42.9551° 233.5030°
    Perigee Argument 246.0175° 265.3906°
    Mean Anomaly (M) 113.6648° 94.6785°
    Apogee 495.021 km 483.970 km
    Perigee 437.303 km 482.036 km
    Orbit Epoch 2026-10-19T00:54:22+0000 2026-10-19T04:49:33+0000

    CZ-4B DEB & STARLINK-35977 Collision Probability (Pc) Trend

    CZ-4B DEB & STARLINK-35977 Collision Probability (Pc) TrendNot Available

    CZ-4B DEB & STARLINK-35977 Miss Distance (Miss Distance) Trend

    CZ-4B DEB & STARLINK-35977 Miss Distance (Miss Distance) TrendNot Available

    CZ-4B DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35977Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    CZ-4B DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35977Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CZ-4B DEB

    No nearby objects data