Conjunction Event Detail

    ⚠
    High Risk
    High collision probability. Maneuver recommended for primary asset.
    2.925157E-4
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T04:20:27+0800
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    1 Object 1

    AOE ID 35376
    NORAD ID 35376
    Object Type DEBRIS
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 57923
    NORAD ID 57923
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter CZ-4 DEB STARLINK-30440
    Time of Closest Approach 2026-10-21T10:07:24+0000
    Collision Probability (Pc) 2.925157E-4
    Conjunction Distance (km) 0.398 km
    Relative Speed (km/s) 12.024 km/s
    Conjunction Risk Parameters R (Radial): -0.186 | I (In-track): -0.212 | C (Cross-track): 0.279
    Collision Risk Index (CRI) 0.84
    X Position (km) -3534.775 -3534.97
    Position Y (km) -3567.412 -3567.276
    Position Z (km) 4666.511 4666.193
    Velocity X (km/s) 2.6 5.215
    Velocity Y (km/s) 4.645 -5.558
    Velocity Z (km/s) 5.5 -0.298

    Orbital Parameters 国际轨道数据源

    Parameter CZ-4 DEB STARLINK-30440
    Semimajor Axis (a) 6911.252 km 6861.181 km
    Eccentricity (e) 0.007568 0.000133
    Inclination (i) 97.8244° 43.0038°
    RAAN 231.4451° 142.6930°
    Perigee Argument 52.0469° 270.2847°
    Mean Anomaly (M) 308.7566° 89.7852°
    Apogee 585.421 km 483.958 km
    Perigee 480.809 km 482.130 km
    Orbit Epoch 2026-10-20T06:55:00+0000 2026-10-19T07:30:02+0000

    CZ-4 DEB & STARLINK-30440 Collision Probability (Pc) Trend

    CZ-4 DEB & STARLINK-30440 Collision Probability (Pc) TrendNot Available

    CZ-4 DEB & STARLINK-30440 Miss Distance (Miss Distance) Trend

    CZ-4 DEB & STARLINK-30440 Miss Distance (Miss Distance) TrendNot Available

    CZ-4 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-30440Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    CZ-4 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-30440Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CZ-4 DEB

    No nearby objects data