Conjunction Event Detail

    Extreme Risk
    Extreme collision probability. Maneuver strongly recommended for primary asset.
    6.406954E-3
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-07-28T15:50:21+0800
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    1 Object 1

    AOE ID 39160
    NORAD ID 39160
    Object Type PAYLOAD
    Country
    VN VN
    VS

    2 Object 2

    Name HEAD-3D
    AOE ID 57629
    NORAD ID 57629
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter VNREDSAT 1 HEAD-3D
    Time of Closest Approach 2026-07-28T17:59:36+0800
    Collision Probability (Pc) 6.406954E-3
    Miss Distance (km) 0.025 km
    Position X (km) -1242.633 -1242.653
    Position Y (km) -6807.629 -6807.637
    Position Z (km) 1381.225 1381.212
    Velocity X (km/s) -0.773 5.148
    Velocity Y (km/s) 1.632 -1.987
    Velocity Z (km/s) 7.298 -5.111

    Orbital Parameters 国际轨道数据源

    Parameter VNREDSAT 1 HEAD-3D
    Semimajor Axis (a) 7055.551 km 7061.689 km
    Eccentricity (e) 0.000145 0.000670
    Inclination (i) 97.9065° 45.0053°
    RAAN 260.7832° 93.3501°
    Perigee Argument 82.6515° 118.9642°
    Mean Anomaly (M) 277.4854° 241.1888°
    Apogee 678.436 km 688.282 km
    Perigee 676.392 km 678.822 km
    Orbit Epoch 2026-07-28T06:27:59+0800 2026-07-28T07:24:55+0800

    VNREDSAT 1 & HEAD-3D Collision Probability (Pc) Trend

    VNREDSAT 1 & HEAD-3D Collision Probability (Pc) TrendNot Available

    VNREDSAT 1 & HEAD-3D Miss Distance (Md) Trend

    VNREDSAT 1 & HEAD-3D Miss Distance (Md) TrendNot Available

    VNREDSAT 1Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    HEAD-3DMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    VNREDSAT 1Collision Probability Trend

    Object 1 Probability TrendNot Available

    HEAD-3DCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with VNREDSAT 1

    No nearby objects data