Conjunction Event Detail

    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    1.226024E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T17:02:07+0800
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    1 Object 1

    AOE ID 52453
    NORAD ID 52453
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 59533
    NORAD ID 59533
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3872 STARLINK-31509
    Time of Closest Approach 2026-09-04T23:30:22+0000
    Collision Probability (Pc) 1.226024E-5
    Conjunction Distance (km) 0.985 km
    Relative Speed (km/s) 4.417 km/s
    Conjunction Risk Parameters R (Radial): -0.982 | I (In-track): 0.068 | C (Cross-track): 0.021
    Collision Risk Index (CRI) 0.57
    X Position (km) 2335.799 2336.067
    Position Y (km) -4445.25 -4445.904
    Position Z (km) -4677.461 -4678.147
    Velocity X (km/s) 6.909 6.795
    Velocity Y (km/s) 0.271 3.442
    Velocity Z (km/s) 3.195 0.123

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3872 STARLINK-31509
    Semimajor Axis (a) 6857.194 km 6861.182 km
    Eccentricity (e) 0.000196 0.000147
    Inclination (i) 53.1607° 43.0031°
    RAAN 345.7815° 32.4326°
    Perigee Argument 103.1686° 265.6953°
    Mean Anomaly (M) 42.3848° 94.3731°
    Apogee 480.399 km 484.055 km
    Perigee 477.715 km 482.035 km
    Orbit Epoch 2026-09-04T04:00:02+0000 2026-09-03T19:38:46+0000

    STARLINK-3872 & STARLINK-31509 Collision Probability (Pc) Trend

    STARLINK-3872 & STARLINK-31509 Collision Probability (Pc) TrendNot Available

    STARLINK-3872 & STARLINK-31509 Miss Distance (Miss Distance) Trend

    STARLINK-3872 & STARLINK-31509 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3872Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31509Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3872Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31509Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3872

    No nearby objects data