Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.668311E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-16T04:30:54+0800
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    1 Object 1

    AOE ID 933
    NORAD ID 933
    Object Type ROCKET BODY
    Country
    US US
    VS

    2 Object 2

    Name JILIN 1
    AOE ID 40961
    NORAD ID 40961
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter SCOUT X-4 R/B JILIN 1
    Time of Closest Approach 2026-09-16T19:32:57+0000
    Collision Probability (Pc) 1.668311E-6
    Conjunction Distance (km) 2.611 km
    Relative Speed (km/s) 15.402 km/s
    Conjunction Risk Parameters R (Radial): 1.887 | I (In-track): 0.01 | C (Cross-track): -1.804
    Collision Risk Index (CRI) 0.39
    X Position (km) -1445.981 -1448.115
    Position Y (km) -1934.254 -1934.405
    Position Z (km) 6577.08 6578.576
    Velocity X (km/s) -1.133 1.576
    Velocity Y (km/s) -7.26 6.969
    Velocity Z (km/s) -2.83 2.404

    Orbital Parameters 国际轨道数据源

    Parameter SCOUT X-4 R/B JILIN 1
    Semimajor Axis (a) 7708.883 km 7012.907 km
    Eccentricity (e) 0.104897 0.001624
    Inclination (i) 81.3314° 97.6579°
    RAAN 78.8331° 253.4974°
    Perigee Argument 145.2713° 334.1960°
    Mean Anomaly (M) 222.1687° 25.8440°
    Apogee 2139.381 km 646.159 km
    Perigee 522.111 km 623.381 km
    Orbit Epoch 2026-09-15T11:10:04+0000 2026-09-15T13:59:14+0000

    SCOUT X-4 R/B & JILIN 1 Collision Probability (Pc) Trend

    SCOUT X-4 R/B & JILIN 1 Collision Probability (Pc) TrendNot Available

    SCOUT X-4 R/B & JILIN 1 Miss Distance (Miss Distance) Trend

    SCOUT X-4 R/B & JILIN 1 Miss Distance (Miss Distance) TrendNot Available

    SCOUT X-4 R/BMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    JILIN 1Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    SCOUT X-4 R/BCollision Probability Trend

    Object 1 Probability TrendNot Available

    JILIN 1Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SCOUT X-4 R/B

    No nearby objects data