Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.284655E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T05:36:15+0800
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    1 Object 1

    AOE ID 52865
    NORAD ID 52865
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 59219
    NORAD ID 59219
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4274 STARLINK-31518
    Time of Closest Approach 2026-09-05T09:17:27+0000
    Collision Probability (Pc) 1.284655E-6
    Conjunction Distance (km) 2.616 km
    Relative Speed (km/s) 9.91 km/s
    Conjunction Risk Parameters R (Radial): 2.517 | I (In-track): -0.536 | C (Cross-track): 0.472
    Collision Risk Index (CRI) 0.37
    X Position (km) -1639.72 -1641.005
    Position Y (km) -5141.762 -5143.442
    Position Z (km) -4207.062 -4208.601
    Velocity X (km/s) 4.601 6.45
    Velocity Y (km/s) -4.663 1.137
    Velocity Z (km/s) 3.91 -3.91

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4274 STARLINK-31518
    Semimajor Axis (a) 6837.878 km 6840.869 km
    Eccentricity (e) 0.000116 0.000124
    Inclination (i) 53.1601° 53.1607°
    RAAN 301.4454° 52.8804°
    Perigee Argument 112.8164° 105.8649°
    Mean Anomaly (M) 247.2962° 254.2491°
    Apogee 460.537 km 463.584 km
    Perigee 458.945 km 461.880 km
    Orbit Epoch 2026-09-02T12:46:14+0000 2026-09-01T21:26:22+0000

    STARLINK-4274 & STARLINK-31518 Collision Probability (Pc) Trend

    STARLINK-4274 & STARLINK-31518 Collision Probability (Pc) TrendNot Available

    STARLINK-4274 & STARLINK-31518 Miss Distance (Miss Distance) Trend

    STARLINK-4274 & STARLINK-31518 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4274Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31518Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4274Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31518Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4274

    No nearby objects data