Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.681188E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T22:31:15+0800
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    1 Object 1

    AOE ID 48158
    NORAD ID 48158
    Object Type ROCKET BODY
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 65575
    NORAD ID 65575
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter CZ-4B R/B PRAETORIAN SDA_612
    Time of Closest Approach 2026-10-23T05:09:36+0000
    Collision Probability (Pc) 1.681188E-6
    Conjunction Distance (km) 2.557 km
    Relative Speed (km/s) 14.705 km/s
    Conjunction Risk Parameters R (Radial): -2.408 | I (In-track): 0.062 | C (Cross-track): 0.857
    Collision Risk Index (CRI) 0.4
    X Position (km) 631.636 632.628
    Position Y (km) -1564.811 -1565.648
    Position Z (km) 7120.293 7122.496
    Velocity X (km/s) -3.017 2.457
    Velocity Y (km/s) -6.572 6.837
    Velocity Z (km/s) -1.269 1.276

    Orbital Parameters 国际轨道数据源

    Parameter CZ-4B R/B PRAETORIAN SDA_612
    Semimajor Axis (a) 7253.119 km 7324.194 km
    Eccentricity (e) 0.015922 0.000856
    Inclination (i) 99.5004° 81.3000°
    RAAN 64.9898° 253.9330°
    Perigee Argument 233.7788° 204.7983°
    Mean Anomaly (M) 124.8570° 155.2764°
    Apogee 990.470 km 952.326 km
    Perigee 759.494 km 939.788 km
    Orbit Epoch 2026-10-21T06:32:39+0000 2026-10-20T21:17:44+0000

    CZ-4B R/B & PRAETORIAN SDA_612 Collision Probability (Pc) Trend

    CZ-4B R/B & PRAETORIAN SDA_612 Collision Probability (Pc) TrendNot Available

    CZ-4B R/B & PRAETORIAN SDA_612 Miss Distance (Miss Distance) Trend

    CZ-4B R/B & PRAETORIAN SDA_612 Miss Distance (Miss Distance) TrendNot Available

    CZ-4B R/BMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    PRAETORIAN SDA_612Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    CZ-4B R/BCollision Probability Trend

    Object 1 Probability TrendNot Available

    PRAETORIAN SDA_612Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CZ-4B R/B

    No nearby objects data