Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    8.800755E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T15:56:08+0800
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    1 Object 1

    AOE ID 52357
    NORAD ID 52357
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 63715
    NORAD ID 63715
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3821 STARLINK-33728
    Time of Closest Approach 2026-09-06T08:55:44+0000
    Collision Probability (Pc) 8.800755E-7
    Conjunction Distance (km) 1.58 km
    Relative Speed (km/s) 0.444 km/s
    Conjunction Risk Parameters R (Radial): -0.091 | I (In-track): -1.576 | C (Cross-track): 0.046
    Collision Risk Index (CRI) 0.34
    X Position (km) 4071.458 4071.614
    Position Y (km) 551.025 549.455
    Position Z (km) -5476.476 -5476.404
    Velocity X (km/s) -0.839 -1.19
    Velocity Y (km/s) 7.576 7.529
    Velocity Z (km/s) 0.138 -0.13

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3821 STARLINK-33728
    Semimajor Axis (a) 6840.858 km 6840.824 km
    Eccentricity (e) 0.000108 0.000115
    Inclination (i) 53.1609° 53.1586°
    RAAN 108.2636° 113.9533°
    Perigee Argument 108.2827° 83.7363°
    Mean Anomaly (M) 251.8294° 276.3771°
    Apogee 463.461 km 463.476 km
    Perigee 461.981 km 461.898 km
    Orbit Epoch 2026-09-03T15:39:29+0000 2026-09-03T07:51:17+0000

    STARLINK-3821 & STARLINK-33728 Collision Probability (Pc) Trend

    STARLINK-3821 & STARLINK-33728 Collision Probability (Pc) TrendNot Available

    STARLINK-3821 & STARLINK-33728 Miss Distance (Miss Distance) Trend

    STARLINK-3821 & STARLINK-33728 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3821Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-33728Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3821Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-33728Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3821

    No nearby objects data