Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.00157E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T07:47:03+0800
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    1 Object 1

    AOE ID 52500
    NORAD ID 52500
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 61894
    NORAD ID 61894
    Object Type UNKNOWN
    Country
    CN CN

    Conjunction Constraints

    Parameter STARLINK-3866 OBJECT A
    Time of Closest Approach 2026-09-12T02:11:13+0000
    Collision Probability (Pc) 1.00157E-6
    Conjunction Distance (km) 2.787 km
    Relative Speed (km/s) 7.529 km/s
    Conjunction Risk Parameters R (Radial): -2.73 | I (In-track): 0.479 | C (Cross-track): -0.278
    Collision Risk Index (CRI) 0.35
    X Position (km) -3939.354 -3937.689
    Position Y (km) 3708.681 3706.856
    Position Z (km) -4289.273 -4287.985
    Velocity X (km/s) -1.773 4.246
    Velocity Y (km/s) -6.312 -2.28
    Velocity Z (km/s) -3.832 -5.878

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3866 OBJECT A
    Semimajor Axis (a) 6898.157 km 6905.614 km
    Eccentricity (e) 0.000294 0.001519
    Inclination (i) 53.1598° 97.4064°
    RAAN 283.7480° 322.1611°
    Perigee Argument 40.7402° 214.3614°
    Mean Anomaly (M) 319.3811° 145.6636°
    Apogee 522.047 km 537.968 km
    Perigee 517.993 km 516.986 km
    Orbit Epoch 2026-09-11T07:45:36+0000 2026-09-11T14:06:40+0000

    STARLINK-3866 & OBJECT A Collision Probability (Pc) Trend

    STARLINK-3866 & OBJECT A Collision Probability (Pc) TrendNot Available

    STARLINK-3866 & OBJECT A Miss Distance (Miss Distance) Trend

    STARLINK-3866 & OBJECT A Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3866Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    OBJECT AMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3866Collision Probability Trend

    Object 1 Probability TrendNot Available

    OBJECT ACollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3866

    No nearby objects data