Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.175035E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T05:34:21+0800
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    1 Object 1

    AOE ID 51139
    NORAD ID 51139
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 65864
    NORAD ID 65864
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3172 STARLINK-35471
    Time of Closest Approach 2026-10-22T18:16:13+0000
    Collision Probability (Pc) 1.175035E-6
    Conjunction Distance (km) 1.845 km
    Relative Speed (km/s) 2.396 km/s
    Conjunction Risk Parameters R (Radial): -0.076 | I (In-track): -1.819 | C (Cross-track): -0.291
    Collision Risk Index (CRI) 0.36
    X Position (km) -2208.347 -2209.883
    Position Y (km) -3523.673 -3522.654
    Position Z (km) -5438.892 -5438.832
    Velocity X (km/s) 6.885 5.874
    Velocity Y (km/s) -3.192 -4.805
    Velocity Z (km/s) -0.728 0.726

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3172 STARLINK-35471
    Semimajor Axis (a) 6840.826 km 6840.817 km
    Eccentricity (e) 0.000136 0.000210
    Inclination (i) 53.1607° 53.1571°
    RAAN 351.3510° 329.0295°
    Perigee Argument 88.6561° 92.4689°
    Mean Anomaly (M) 271.4597° 267.6555°
    Apogee 463.617 km 464.118 km
    Perigee 461.761 km 461.242 km
    Orbit Epoch 2026-10-20T04:09:43+0000 2026-10-20T02:32:37+0000

    STARLINK-3172 & STARLINK-35471 Collision Probability (Pc) Trend

    STARLINK-3172 & STARLINK-35471 Collision Probability (Pc) TrendNot Available

    STARLINK-3172 & STARLINK-35471 Miss Distance (Miss Distance) Trend

    STARLINK-3172 & STARLINK-35471 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3172Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35471Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3172Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35471Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3172

    No nearby objects data