Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    4.86695E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T07:49:23+0800
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    1 Object 1

    AOE ID 52999
    NORAD ID 52999
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 69819
    NORAD ID 69819
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4217 STARLINK-37520
    Time of Closest Approach 2026-10-21T11:59:04+0000
    Collision Probability (Pc) 4.86695E-6
    Conjunction Distance (km) 1.324 km
    Relative Speed (km/s) 5.02 km/s
    Conjunction Risk Parameters R (Radial): 1.056 | I (In-track): -0.752 | C (Cross-track): 0.269
    Collision Risk Index (CRI) 0.49
    X Position (km) -1292.263 -1291.303
    Position Y (km) -4142.653 -4142.255
    Position Z (km) 5278.35 5277.53
    Velocity X (km/s) 6.31 7.467
    Velocity Y (km/s) -4.001 -0.295
    Velocity Z (km/s) -1.591 1.591

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4217 STARLINK-37520
    Semimajor Axis (a) 6840.883 km 6840.781 km
    Eccentricity (e) 0.000131 0.000204
    Inclination (i) 53.1590° 53.1590°
    RAAN 148.5902° 198.5496°
    Perigee Argument 95.7431° 86.0569°
    Mean Anomaly (M) 264.3720° 274.0668°
    Apogee 463.641 km 464.042 km
    Perigee 461.851 km 461.246 km
    Orbit Epoch 2026-10-19T07:56:28+0000 2026-10-19T00:15:38+0000

    STARLINK-4217 & STARLINK-37520 Collision Probability (Pc) Trend

    STARLINK-4217 & STARLINK-37520 Collision Probability (Pc) TrendNot Available

    STARLINK-4217 & STARLINK-37520 Miss Distance (Miss Distance) Trend

    STARLINK-4217 & STARLINK-37520 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4217Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37520Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4217Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37520Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4217

    No nearby objects data