Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    4.669466E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T06:46:13+0800
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    1 Object 1

    AOE ID 57977
    NORAD ID 57977
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 63481
    NORAD ID 63481
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-30509 STARLINK-33639
    Time of Closest Approach 2026-09-05T13:04:48+0000
    Collision Probability (Pc) 4.669466E-6
    Conjunction Distance (km) 1.461 km
    Relative Speed (km/s) 7.624 km/s
    Conjunction Risk Parameters R (Radial): -0.37 | I (In-track): 1.224 | C (Cross-track): 0.705
    Collision Risk Index (CRI) 0.48
    X Position (km) 784.864 786.221
    Position Y (km) -5743.978 -5743.476
    Position Z (km) -3673.844 -3673.647
    Velocity X (km/s) 6.261 6.814
    Velocity Y (km/s) 2.914 -1.125
    Velocity Z (km/s) -3.221 3.221

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-30509 STARLINK-33639
    Semimajor Axis (a) 6861.199 km 6861.161 km
    Eccentricity (e) 0.000130 0.000119
    Inclination (i) 43.0030° 43.0007°
    RAAN 71.8003° 340.9071°
    Perigee Argument 257.6344° 269.8201°
    Mean Anomaly (M) 102.4362° 90.2514°
    Apogee 483.957 km 483.842 km
    Perigee 482.167 km 482.206 km
    Orbit Epoch 2026-09-02T13:27:12+0000 2026-09-01T22:59:54+0000

    STARLINK-30509 & STARLINK-33639 Collision Probability (Pc) Trend

    STARLINK-30509 & STARLINK-33639 Collision Probability (Pc) TrendNot Available

    STARLINK-30509 & STARLINK-33639 Miss Distance (Miss Distance) Trend

    STARLINK-30509 & STARLINK-33639 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-30509Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-33639Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-30509Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-33639Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-30509

    No nearby objects data