Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.292919E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T09:47:10+0800
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    1 Object 1

    AOE ID 53197
    NORAD ID 53197
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 57637
    NORAD ID 57637
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4403 STARLINK-30311
    Time of Closest Approach 2026-09-05T04:26:42+0000
    Collision Probability (Pc) 1.292919E-6
    Conjunction Distance (km) 2.99 km
    Relative Speed (km/s) 13.819 km/s
    Conjunction Risk Parameters R (Radial): -2.989 | I (In-track): 0.009 | C (Cross-track): -0.008
    Collision Risk Index (CRI) 0.37
    X Position (km) -2845.564 -2844.315
    Position Y (km) 5170.421 5168.171
    Position Z (km) -3509.382 -3507.86
    Velocity X (km/s) 2.839 -6.667
    Velocity Y (km/s) -2.828 -1.335
    Velocity Z (km/s) -6.477 3.441

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4403 STARLINK-30311
    Semimajor Axis (a) 6860.038 km 6861.206 km
    Eccentricity (e) 0.000100 0.000155
    Inclination (i) 97.2835° 43.0000°
    RAAN 300.7265° 177.2690°
    Perigee Argument 45.5405° 237.5414°
    Mean Anomaly (M) 359.9352° 122.5289°
    Apogee 482.588 km 484.132 km
    Perigee 481.214 km 482.006 km
    Orbit Epoch 2026-09-02T16:00:02+0000 2026-09-01T20:37:26+0000

    STARLINK-4403 & STARLINK-30311 Collision Probability (Pc) Trend

    STARLINK-4403 & STARLINK-30311 Collision Probability (Pc) TrendNot Available

    STARLINK-4403 & STARLINK-30311 Miss Distance (Miss Distance) Trend

    STARLINK-4403 & STARLINK-30311 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4403Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-30311Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4403Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-30311Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4403

    No nearby objects data