Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.076257E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-16T12:32:09+0800
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    1 Object 1

    AOE ID 1778
    NORAD ID 1778
    Object Type PAYLOAD
    Country
    FR FR
    VS

    2 Object 2

    AOE ID 53554
    NORAD ID 53554
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter A-1 (ASTERIX) STARLINK-4506
    Time of Closest Approach 2026-09-16T19:59:53+0000
    Collision Probability (Pc) 1.076257E-6
    Conjunction Distance (km) 2.976 km
    Relative Speed (km/s) 9.901 km/s
    Conjunction Risk Parameters R (Radial): -2.208 | I (In-track): -1.473 | C (Cross-track): -1.341
    Collision Risk Index (CRI) 0.36
    X Position (km) 3313.16 3310.506
    Position Y (km) -5636.689 -5636.002
    Position Z (km) 2260.145 2258.99
    Velocity X (km/s) 6.634 3.178
    Velocity Y (km/s) 2.274 4.101
    Velocity Z (km/s) -3.548 5.548

    Orbital Parameters 国际轨道数据源

    Parameter A-1 (ASTERIX) STARLINK-4506
    Semimajor Axis (a) 7450.694 km 6917.897 km
    Eccentricity (e) 0.073879 0.000104
    Inclination (i) 34.2533° 53.1618°
    RAAN 155.4034° 293.1770°
    Perigee Argument 120.7205° 84.3347°
    Mean Anomaly (M) 246.8329° 275.7762°
    Apogee 1623.008 km 540.477 km
    Perigee 522.106 km 539.043 km
    Orbit Epoch 2026-09-15T22:01:53+0000 2026-09-15T02:33:29+0000

    A-1 (ASTERIX) & STARLINK-4506 Collision Probability (Pc) Trend

    A-1 (ASTERIX) & STARLINK-4506 Collision Probability (Pc) TrendNot Available

    A-1 (ASTERIX) & STARLINK-4506 Miss Distance (Miss Distance) Trend

    A-1 (ASTERIX) & STARLINK-4506 Miss Distance (Miss Distance) TrendNot Available

    A-1 (ASTERIX)Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4506Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    A-1 (ASTERIX)Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4506Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with A-1 (ASTERIX)

    No nearby objects data