Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    8.418499E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-24T22:20:37+0800
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    1 Object 1

    AOE ID 53391
    NORAD ID 53391
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 68625
    NORAD ID 68625
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4521 STARLINK-37249
    Time of Closest Approach 2026-10-25T03:35:04+0000
    Collision Probability (Pc) 8.418499E-7
    Conjunction Distance (km) 2.957 km
    Relative Speed (km/s) 6.282 km/s
    Conjunction Risk Parameters R (Radial): -2.875 | I (In-track): 0.63 | C (Cross-track): 0.282
    Collision Risk Index (CRI) 0.34
    X Position (km) -4742.509 -4740.845
    Position Y (km) 4143.799 4142.082
    Position Z (km) -2700.9 -2699.159
    Velocity X (km/s) -4.986 -1.545
    Velocity Y (km/s) -2.25 2.747
    Velocity Z (km/s) 5.315 6.945

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4521 STARLINK-37249
    Semimajor Axis (a) 6848.865 km 6843.731 km
    Eccentricity (e) 0.000132 0.000159
    Inclination (i) 53.1590° 97.2847°
    RAAN 163.9667° 134.6873°
    Perigee Argument 77.9497° 96.2653°
    Mean Anomaly (M) 282.1652° 263.8772°
    Apogee 471.634 km 466.684 km
    Perigee 469.822 km 464.504 km
    Orbit Epoch 2026-10-23T18:49:37+0000 2026-10-24T02:37:43+0000

    STARLINK-4521 & STARLINK-37249 Collision Probability (Pc) Trend

    STARLINK-4521 & STARLINK-37249 Collision Probability (Pc) TrendNot Available

    STARLINK-4521 & STARLINK-37249 Miss Distance (Miss Distance) Trend

    STARLINK-4521 & STARLINK-37249 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4521Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37249Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4521Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37249Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4521

    No nearby objects data