Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.88763E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T02:21:07+0800
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    1 Object 1

    AOE ID 59668
    NORAD ID 59668
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 63475
    NORAD ID 63475
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-31866 STARLINK-33731
    Time of Closest Approach 2026-09-13T21:51:43+0000
    Collision Probability (Pc) 1.88763E-6
    Conjunction Distance (km) 2.123 km
    Relative Speed (km/s) 9.588 km/s
    Conjunction Risk Parameters R (Radial): -0.858 | I (In-track): 1.517 | C (Cross-track): 1.213
    Collision Risk Index (CRI) 0.41
    X Position (km) 1742.104 1744.19
    Position Y (km) 6207.052 6207.3
    Position Z (km) 2339.016 2339.319
    Velocity X (km/s) -6.156 -5.268
    Velocity Y (km/s) 0.024 3.184
    Velocity Z (km/s) 4.505 -4.503

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-31866 STARLINK-33731
    Semimajor Axis (a) 6861.217 km 6861.159 km
    Eccentricity (e) 0.000131 0.000202
    Inclination (i) 43.0031° 43.0000°
    RAAN 74.3457° 292.8896°
    Perigee Argument 273.4951° 283.8560°
    Mean Anomaly (M) 86.5751° 76.2066°
    Apogee 483.981 km 484.411 km
    Perigee 482.179 km 481.633 km
    Orbit Epoch 2026-09-09T20:26:09+0000 2026-09-11T03:18:07+0000

    STARLINK-31866 & STARLINK-33731 Collision Probability (Pc) Trend

    STARLINK-31866 & STARLINK-33731 Collision Probability (Pc) TrendNot Available

    STARLINK-31866 & STARLINK-33731 Miss Distance (Miss Distance) Trend

    STARLINK-31866 & STARLINK-33731 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-31866Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-33731Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-31866Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-33731Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-31866

    No nearby objects data