Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    8.760803E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T17:58:00+0800
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    1 Object 1

    AOE ID 53182
    NORAD ID 53182
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 64682
    NORAD ID 64682
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4278 STARLINK-34551
    Time of Closest Approach 2026-09-06T06:36:41+0000
    Collision Probability (Pc) 8.760803E-7
    Conjunction Distance (km) 2.447 km
    Relative Speed (km/s) 4.148 km/s
    Conjunction Risk Parameters R (Radial): -2.411 | I (In-track): 0.397 | C (Cross-track): -0.113
    Collision Risk Index (CRI) 0.34
    X Position (km) 1183.894 1183.915
    Position Y (km) -4098.038 -4099.597
    Position Z (km) -5351.478 -5353.363
    Velocity X (km/s) 6.6 7.499
    Velocity Y (km/s) 3.594 0.479
    Velocity Z (km/s) -1.293 1.293

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4278 STARLINK-34551
    Semimajor Axis (a) 6837.888 km 6840.799 km
    Eccentricity (e) 0.000132 0.000116
    Inclination (i) 53.1600° 53.1609°
    RAAN 52.0375° 7.7574°
    Perigee Argument 85.7532° 60.8981°
    Mean Anomaly (M) 274.3622° 299.2138°
    Apogee 460.654 km 463.459 km
    Perigee 458.848 km 461.865 km
    Orbit Epoch 2026-09-02T20:15:25+0000 2026-09-03T19:32:54+0000

    STARLINK-4278 & STARLINK-34551 Collision Probability (Pc) Trend

    STARLINK-4278 & STARLINK-34551 Collision Probability (Pc) TrendNot Available

    STARLINK-4278 & STARLINK-34551 Miss Distance (Miss Distance) Trend

    STARLINK-4278 & STARLINK-34551 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4278Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34551Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4278Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34551Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4278

    No nearby objects data