Conjunction Event Detail

    ⚠
    High Risk
    High collision probability. Maneuver recommended for primary asset.
    1.192957E-4
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T00:03:48+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 55296
    NORAD ID 55296
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter SENTINEL 1B STARLINK-5285
    Time of Closest Approach 2026-10-21T07:40:00+0000
    Collision Probability (Pc) 1.192957E-4
    Conjunction Distance (km) 0.625 km
    Relative Speed (km/s) 15.048 km/s
    Conjunction Risk Parameters R (Radial): 0.439 | I (In-track): -0.04 | C (Cross-track): -0.442
    Collision Risk Index (CRI) 0.77
    X Position (km) 6566.138 6565.743
    Position Y (km) 306.316 306.725
    Position Z (km) -2270.573 -2270.315
    Velocity X (km/s) 2.477 -2.427
    Velocity Y (km/s) -1.01 2.628
    Velocity Z (km/s) 7.08 -6.673

    Orbital Parameters 国际轨道数据源

    Parameter SENTINEL 1B STARLINK-5285
    Semimajor Axis (a) 6946.489 km 6950.189 km
    Eccentricity (e) 0.001633 0.000285
    Inclination (i) 98.0766° 70.0003°
    RAAN 358.8255° 178.9061°
    Perigee Argument 88.3513° 269.5448°
    Mean Anomaly (M) 271.9580° 90.5384°
    Apogee 579.698 km 574.035 km
    Perigee 557.006 km 570.069 km
    Orbit Epoch 2026-10-20T07:43:48+0000 2026-10-19T22:43:52+0000

    SENTINEL 1B & STARLINK-5285 Collision Probability (Pc) Trend

    SENTINEL 1B & STARLINK-5285 Collision Probability (Pc) TrendNot Available

    SENTINEL 1B & STARLINK-5285 Miss Distance (Miss Distance) Trend

    SENTINEL 1B & STARLINK-5285 Miss Distance (Miss Distance) TrendNot Available

    SENTINEL 1BMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5285Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    SENTINEL 1BCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5285Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SENTINEL 1B

    No nearby objects data