Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.259624E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-19T13:40:35+0800
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    1 Object 1

    AOE ID 53259
    NORAD ID 53259
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 68665
    NORAD ID 68665
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4140 STARLINK-37171
    Time of Closest Approach 2026-10-20T11:15:20+0000
    Collision Probability (Pc) 1.259624E-6
    Conjunction Distance (km) 2.788 km
    Relative Speed (km/s) 11.277 km/s
    Conjunction Risk Parameters R (Radial): -2.78 | I (In-track): 0.121 | C (Cross-track): 0.144
    Collision Risk Index (CRI) 0.37
    X Position (km) -4105.156 -4103.628
    Position Y (km) 533.22 532.917
    Position Z (km) -5463.302 -5460.991
    Velocity X (km/s) -1.673 -5.68
    Velocity Y (km/s) -7.414 2.351
    Velocity Z (km/s) 0.533 4.501

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4140 STARLINK-37171
    Semimajor Axis (a) 6848.820 km 6843.668 km
    Eccentricity (e) 0.000140 0.000214
    Inclination (i) 53.1591° 97.2839°
    RAAN 264.2324° 161.3488°
    Perigee Argument 101.7113° 94.2462°
    Mean Anomaly (M) 258.4046° 265.9025°
    Apogee 471.642 km 466.996 km
    Perigee 469.724 km 464.066 km
    Orbit Epoch 2026-10-18T07:56:55+0000 2026-10-18T21:54:08+0000

    STARLINK-4140 & STARLINK-37171 Collision Probability (Pc) Trend

    STARLINK-4140 & STARLINK-37171 Collision Probability (Pc) TrendNot Available

    STARLINK-4140 & STARLINK-37171 Miss Distance (Miss Distance) Trend

    STARLINK-4140 & STARLINK-37171 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4140Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37171Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4140Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37171Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4140

    No nearby objects data