Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    3.426343E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-08-31T05:09:46+0800
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    1 Object 1

    AOE ID 42670
    NORAD ID 42670
    Object Type DEBRIS
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 63243
    NORAD ID 63243
    Object Type PAYLOAD
    Country
    IT IT

    Conjunction Constraints

    Parameter CZ-4C DEB HERMES-2
    Time of Closest Approach 2026-08-31T13:11:52+0000
    Collision Probability (Pc) 3.426343E-6
    Conjunction Distance (km) 1.879 km
    Relative Speed (km/s) 15.124 km/s
    Conjunction Risk Parameters R (Radial): 1.624 | I (In-track): -0.141 | C (Cross-track): -0.934
    Collision Risk Index (CRI) 0.46
    X Position (km) 4854.085 4855.883
    Position Y (km) -4608.866 -4609.271
    Position Z (km) -1453.836 -1454.196
    Velocity X (km/s) 0.489 -1.849
    Velocity Y (km/s) -1.863 0.374
    Velocity Z (km/s) 7.38 -7.393

    Orbital Parameters 国际轨道数据源

    Parameter CZ-4C DEB HERMES-2
    Semimajor Axis (a) 6842.483 km 6849.236 km
    Eccentricity (e) 0.005244 0.000370
    Inclination (i) 97.4703° 97.3779°
    RAAN 313.7979° 137.1601°
    Perigee Argument 256.9512° 183.3351°
    Mean Anomaly (M) 102.5873° 176.7867°
    Apogee 500.231 km 473.634 km
    Perigee 428.461 km 468.564 km
    Orbit Epoch 2026-08-30T12:12:02+0000 2026-08-30T14:24:33+0000

    CZ-4C DEB & HERMES-2 Collision Probability (Pc) Trend

    CZ-4C DEB & HERMES-2 Collision Probability (Pc) TrendNot Available

    CZ-4C DEB & HERMES-2 Miss Distance (Miss Distance) Trend

    CZ-4C DEB & HERMES-2 Miss Distance (Miss Distance) TrendNot Available

    CZ-4C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    HERMES-2Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    CZ-4C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    HERMES-2Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CZ-4C DEB

    No nearby objects data