Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    8.803906E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-06T03:24:04+0800
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    1 Object 1

    AOE ID 22
    NORAD ID 22
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 59135
    NORAD ID 59135
    Object Type PAYLOAD
    Country
    BE BE

    Conjunction Constraints

    Parameter EXPLORER 7 VSP RF A1
    Time of Closest Approach 2026-09-08T08:41:37+0000
    Collision Probability (Pc) 8.803906E-7
    Conjunction Distance (km) 2.896 km
    Relative Speed (km/s) 6.52 km/s
    Conjunction Risk Parameters R (Radial): -2.468 | I (In-track): 1.361 | C (Cross-track): 0.666
    Collision Risk Index (CRI) 0.34
    X Position (km) 5559.691 5557.893
    Position Y (km) 3338.196 3337.623
    Position Z (km) -2314.035 -2311.839
    Velocity X (km/s) -1.087 2.712
    Velocity Y (km/s) 5.359 0.388
    Velocity Z (km/s) 5.267 7.099

    Orbital Parameters 国际轨道数据源

    Parameter EXPLORER 7 VSP RF A1
    Semimajor Axis (a) 6852.317 km 6877.702 km
    Eccentricity (e) 0.007437 0.000118
    Inclination (i) 50.2412° 97.5686°
    RAAN 62.4909° 24.8317°
    Perigee Argument 89.7320° 80.5895°
    Mean Anomaly (M) 271.2164° 279.5474°
    Apogee 525.144 km 500.377 km
    Perigee 423.216 km 498.753 km
    Orbit Epoch 2026-09-05T11:51:52+0000 2026-09-04T22:44:07+0000

    EXPLORER 7 & VSP RF A1 Collision Probability (Pc) Trend

    EXPLORER 7 & VSP RF A1 Collision Probability (Pc) TrendNot Available

    EXPLORER 7 & VSP RF A1 Miss Distance (Miss Distance) Trend

    EXPLORER 7 & VSP RF A1 Miss Distance (Miss Distance) TrendNot Available

    EXPLORER 7Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    VSP RF A1Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    EXPLORER 7Collision Probability Trend

    Object 1 Probability TrendNot Available

    VSP RF A1Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with EXPLORER 7

    No nearby objects data