Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    4.633979E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T16:37:16+0800
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    1 Object 1

    AOE ID 59612
    NORAD ID 59612
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 63480
    NORAD ID 63480
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-31748 STARLINK-33721
    Time of Closest Approach 2026-09-12T05:34:21+0000
    Collision Probability (Pc) 4.633979E-6
    Conjunction Distance (km) 1.54 km
    Relative Speed (km/s) 9.721 km/s
    Conjunction Risk Parameters R (Radial): -1.052 | I (In-track): -0.868 | C (Cross-track): 0.714
    Collision Risk Index (CRI) 0.48
    X Position (km) 941.349 942.317
    Position Y (km) 6438.592 6437.442
    Position Z (km) 2167.75 2167.414
    Velocity X (km/s) -6.04 -5.594
    Velocity Y (km/s) -0.675 2.377
    Velocity Z (km/s) 4.609 -4.61

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-31748 STARLINK-33721
    Semimajor Axis (a) 6861.211 km 6861.170 km
    Eccentricity (e) 0.000098 0.000131
    Inclination (i) 43.0011° 42.9989°
    RAAN 68.8919° 299.7709°
    Perigee Argument 260.0696° 195.8501°
    Mean Anomaly (M) 100.0045° 164.2309°
    Apogee 483.748 km 483.935 km
    Perigee 482.400 km 482.131 km
    Orbit Epoch 2026-09-10T18:55:41+0000 2026-09-09T04:43:31+0000

    STARLINK-31748 & STARLINK-33721 Collision Probability (Pc) Trend

    STARLINK-31748 & STARLINK-33721 Collision Probability (Pc) TrendNot Available

    STARLINK-31748 & STARLINK-33721 Miss Distance (Miss Distance) Trend

    STARLINK-31748 & STARLINK-33721 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-31748Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-33721Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-31748Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-33721Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-31748

    No nearby objects data