Conjunction Event Detail

    ⚠
    High Risk
    High collision probability. Maneuver recommended for primary asset.
    3.386215E-4
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-19T20:45:53+0800
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    1 Object 1

    AOE ID 53539
    NORAD ID 53539
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 60019
    NORAD ID 60019
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4123 STARLINK-31986
    Time of Closest Approach 2026-10-21T20:58:49+0000
    Collision Probability (Pc) 3.386215E-4
    Conjunction Distance (km) 0.232 km
    Relative Speed (km/s) 2.085 km/s
    Conjunction Risk Parameters R (Radial): 0.137 | I (In-track): 0.185 | C (Cross-track): 0.028
    Collision Risk Index (CRI) 0.86
    X Position (km) 3820.088 3820.093
    Position Y (km) 1611.222 1611.426
    Position Z (km) -5448.51 -5448.617
    Velocity X (km/s) -3.699 -2.171
    Velocity Y (km/s) 6.636 7.281
    Velocity Z (km/s) -0.632 0.631

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4123 STARLINK-31986
    Semimajor Axis (a) 6840.877 km 6840.941 km
    Eccentricity (e) 0.000135 0.000130
    Inclination (i) 53.1587° 53.1585°
    RAAN 136.6358° 116.9758°
    Perigee Argument 91.5170° 90.5715°
    Mean Anomaly (M) 268.5988° 269.5437°
    Apogee 463.666 km 463.694 km
    Perigee 461.814 km 461.914 km
    Orbit Epoch 2026-10-18T21:29:15+0000 2026-10-18T21:26:03+0000

    STARLINK-4123 & STARLINK-31986 Collision Probability (Pc) Trend

    STARLINK-4123 & STARLINK-31986 Collision Probability (Pc) TrendNot Available

    STARLINK-4123 & STARLINK-31986 Miss Distance (Miss Distance) Trend

    STARLINK-4123 & STARLINK-31986 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4123Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31986Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4123Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31986Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4123

    No nearby objects data