Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    9.311767E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-11-01T05:17:07+0800
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    1 Object 1

    AOE ID 48328
    NORAD ID 48328
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 52878
    NORAD ID 52878
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-2504 STARLINK-4171
    Time of Closest Approach 2026-11-02T11:05:33+0000
    Collision Probability (Pc) 9.311767E-7
    Conjunction Distance (km) 2.884 km
    Relative Speed (km/s) 7.147 km/s
    Conjunction Risk Parameters R (Radial): -2.649 | I (In-track): -1.002 | C (Cross-track): -0.536
    Collision Risk Index (CRI) 0.34
    X Position (km) 2887.671 2885.66
    Position Y (km) -3644.306 -3643.6
    Position Z (km) -5028.57 -5026.628
    Velocity X (km/s) 3.65 6.909
    Velocity Y (km/s) 6.238 2.126
    Velocity Z (km/s) -2.426 2.427

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-2504 STARLINK-4171
    Semimajor Axis (a) 6843.970 km 6840.867 km
    Eccentricity (e) 0.000114 0.000118
    Inclination (i) 53.1601° 53.1621°
    RAAN 86.2953° 12.2368°
    Perigee Argument 43.9499° 69.0120°
    Mean Anomaly (M) 316.1594° 291.1008°
    Apogee 466.616 km 463.536 km
    Perigee 465.050 km 461.924 km
    Orbit Epoch 2026-10-30T21:01:02+0000 2026-10-31T09:21:28+0000

    STARLINK-2504 & STARLINK-4171 Collision Probability (Pc) Trend

    STARLINK-2504 & STARLINK-4171 Collision Probability (Pc) TrendNot Available

    STARLINK-2504 & STARLINK-4171 Miss Distance (Miss Distance) Trend

    STARLINK-2504 & STARLINK-4171 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-2504Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4171Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-2504Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4171Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-2504

    No nearby objects data