Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    4.120767E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-15T00:03:16+0800
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    1 Object 1

    AOE ID 41456
    NORAD ID 41456
    Object Type PAYLOAD
    Country
    ESA ESA
    VS

    2 Object 2

    AOE ID 55312
    NORAD ID 55312
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter SENTINEL 1B STARLINK-5296
    Time of Closest Approach 2026-09-16T15:15:36+0000
    Collision Probability (Pc) 4.120767E-6
    Conjunction Distance (km) 1.615 km
    Relative Speed (km/s) 10.179 km/s
    Conjunction Risk Parameters R (Radial): 0.971 | I (In-track): -0.953 | C (Cross-track): 0.87
    Collision Risk Index (CRI) 0.47
    X Position (km) 1487.945 1488.392
    Position Y (km) -2213.759 -2215.249
    Position Z (km) 6411.839 6412.272
    Velocity X (km/s) -5.934 3.825
    Velocity Y (km/s) 3.855 6.401
    Velocity Z (km/s) 2.693 1.321

    Orbital Parameters 国际轨道数据源

    Parameter SENTINEL 1B STARLINK-5296
    Semimajor Axis (a) 6946.704 km 6950.193 km
    Eccentricity (e) 0.001289 0.000358
    Inclination (i) 98.0871° 69.9986°
    RAAN 321.4555° 249.6000°
    Perigee Argument 196.0808° 265.9615°
    Mean Anomaly (M) 164.0007° 94.1135°
    Apogee 577.522 km 574.541 km
    Perigee 559.612 km 569.571 km
    Orbit Epoch 2026-09-14T06:53:56+0000 2026-09-13T22:49:05+0000

    SENTINEL 1B & STARLINK-5296 Collision Probability (Pc) Trend

    SENTINEL 1B & STARLINK-5296 Collision Probability (Pc) TrendNot Available

    SENTINEL 1B & STARLINK-5296 Miss Distance (Miss Distance) Trend

    SENTINEL 1B & STARLINK-5296 Miss Distance (Miss Distance) TrendNot Available

    SENTINEL 1BMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5296Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    SENTINEL 1BCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5296Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SENTINEL 1B

    No nearby objects data