Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    3.46738E-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 2026-09-12T07:08:30+0000
    Collision Probability (Pc) 3.46738E-6
    Conjunction Distance (km) 1.693 km
    Relative Speed (km/s) 9.721 km/s
    Conjunction Risk Parameters R (Radial): -1.048 | I (In-track): 1.027 | C (Cross-track): -0.842
    Collision Risk Index (CRI) 0.46
    X Position (km) 984.111 982.647
    Position Y (km) 6432.518 6431.734
    Position Z (km) 2166.781 2166.454
    Velocity X (km/s) -6.044 -5.579
    Velocity Y (km/s) -0.634 2.411
    Velocity Z (km/s) 4.61 -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