Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.863053E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-12T20:49:43+0800
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    1 Object 1

    AOE ID 52913
    NORAD ID 52913
    Object Type ROCKET BODY
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 53715
    NORAD ID 53715
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter CZ-4C R/B STARLINK-4686
    Time of Closest Approach 2026-10-13T01:02:04+0000
    Collision Probability (Pc) 1.863053E-6
    Conjunction Distance (km) 2.1 km
    Relative Speed (km/s) 9.008 km/s
    Conjunction Risk Parameters R (Radial): 2.082 | I (In-track): 0.22 | C (Cross-track): 0.165
    Collision Risk Index (CRI) 0.4
    X Position (km) -1335.123 -1335.693
    Position Y (km) 4510.942 4512.456
    Position Z (km) 4954.246 4955.585
    Velocity X (km/s) -0.065 -7.153
    Velocity Y (km/s) 5.668 0.725
    Velocity Z (km/s) -5.121 -2.581

    Orbital Parameters 国际轨道数据源

    Parameter CZ-4C R/B STARLINK-4686
    Semimajor Axis (a) 6837.342 km 6840.889 km
    Eccentricity (e) 0.004313 0.000101
    Inclination (i) 98.0139° 53.1601°
    RAAN 276.7953° 342.0727°
    Perigee Argument 48.8525° 90.1329°
    Mean Anomaly (M) 311.6426° 269.9789°
    Apogee 488.692 km 463.441 km
    Perigee 429.718 km 462.063 km
    Orbit Epoch 2026-10-11T23:26:21+0000 2026-10-12T07:20:24+0000

    CZ-4C R/B & STARLINK-4686 Collision Probability (Pc) Trend

    CZ-4C R/B & STARLINK-4686 Collision Probability (Pc) TrendNot Available

    CZ-4C R/B & STARLINK-4686 Miss Distance (Miss Distance) Trend

    CZ-4C R/B & STARLINK-4686 Miss Distance (Miss Distance) TrendNot Available

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

    Object 1 Miss Distance TrendNot Available

    STARLINK-4686Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    CZ-4C R/BCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4686Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CZ-4C R/B

    No nearby objects data