Conjunction Event Detail

    High Risk
    High collision probability. Maneuver recommended for primary asset.
    1.271076E-4
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T00:01:39+0800
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    1 Object 1

    AOE ID 55451
    NORAD ID 55451
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 57903
    NORAD ID 57903
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-5656 STARLINK-30449
    Time of Closest Approach 2026-09-13T14:21:22+0000
    Collision Probability (Pc) 1.271076E-4
    Conjunction Distance (km) 0.355 km
    Relative Speed (km/s) 1.364 km/s
    Conjunction Risk Parameters R (Radial): -0.025 | I (In-track): -0.352 | C (Cross-track): 0.031
    Collision Risk Index (CRI) 0.77
    X Position (km) 1695.133 1695.46
    Position Y (km) 4741.435 4741.299
    Position Z (km) 4652.413 4652.395
    Velocity X (km/s) -7.309 -6.998
    Velocity Y (km/s) 2.121 2.993
    Velocity Z (km/s) 0.502 -0.498

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5656 STARLINK-30449
    Semimajor Axis (a) 6861.194 km 6861.324 km
    Eccentricity (e) 0.000224 0.000148
    Inclination (i) 43.0049° 43.0021°
    RAAN 0.8881° 345.8475°
    Perigee Argument 287.6832° 276.7319°
    Mean Anomaly (M) 72.3775° 83.3365°
    Apogee 484.596 km 484.202 km
    Perigee 481.518 km 482.172 km
    Orbit Epoch 2026-09-11T07:03:50+0000 2026-09-11T07:00:49+0000

    STARLINK-5656 & STARLINK-30449 Collision Probability (Pc) Trend

    STARLINK-5656 & STARLINK-30449 Collision Probability (Pc) TrendNot Available

    STARLINK-5656 & STARLINK-30449 Miss Distance (Miss Distance) Trend

    STARLINK-5656 & STARLINK-30449 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5656Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-30449Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5656Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-30449Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5656

    No nearby objects data