Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    3.021469E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T12:53:05+0800
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    1 Object 1

    AOE ID 26121
    NORAD ID 26121
    Object Type DEBRIS
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 66258
    NORAD ID 66258
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter CZ-4 DEB STARLINK-34650
    Time of Closest Approach 2026-10-22T08:41:32+0000
    Collision Probability (Pc) 3.021469E-5
    Conjunction Distance (km) 0.933 km
    Relative Speed (km/s) 12.281 km/s
    Conjunction Risk Parameters R (Radial): 0.694 | I (In-track): -0.361 | C (Cross-track): 0.508
    Collision Risk Index (CRI) 0.65
    X Position (km) 3071.096 3071.959
    Position Y (km) 2717.622 2717.851
    Position Z (km) 5463.556 5463.824
    Velocity X (km/s) -3.17 -4.868
    Velocity Y (km/s) -5.37 5.885
    Velocity Z (km/s) 4.418 -0.19

    Orbital Parameters 国际轨道数据源

    Parameter CZ-4 DEB STARLINK-34650
    Semimajor Axis (a) 6845.051 km 6840.838 km
    Eccentricity (e) 0.002833 0.000182
    Inclination (i) 98.6774° 53.1610°
    RAAN 49.7153° 320.4871°
    Perigee Argument 129.1017° 81.1896°
    Mean Anomaly (M) 231.2748° 278.9313°
    Apogee 486.309 km 463.944 km
    Perigee 447.519 km 461.458 km
    Orbit Epoch 2026-10-19T08:23:57+0000 2026-10-19T19:19:49+0000

    CZ-4 DEB & STARLINK-34650 Collision Probability (Pc) Trend

    CZ-4 DEB & STARLINK-34650 Collision Probability (Pc) TrendNot Available

    CZ-4 DEB & STARLINK-34650 Miss Distance (Miss Distance) Trend

    CZ-4 DEB & STARLINK-34650 Miss Distance (Miss Distance) TrendNot Available

    CZ-4 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34650Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    CZ-4 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34650Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CZ-4 DEB

    No nearby objects data