Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.250905E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T07:08:12+0800
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    1 Object 1

    AOE ID 59401
    NORAD ID 59401
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 66861
    NORAD ID 66861
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-31507 STARLINK-35991
    Time of Closest Approach 2026-10-20T16:06:48+0000
    Collision Probability (Pc) 1.250905E-6
    Conjunction Distance (km) 2.277 km
    Relative Speed (km/s) 6.181 km/s
    Conjunction Risk Parameters R (Radial): -0.457 | I (In-track): -2.041 | C (Cross-track): -0.898
    Collision Risk Index (CRI) 0.37
    X Position (km) 859.677 861.938
    Position Y (km) -5417.43 -5417.445
    Position Z (km) 4112.28 4112.55
    Velocity X (km/s) 6.596 7.178
    Velocity Y (km/s) 2.928 -0.739
    Velocity Z (km/s) 2.471 -2.471

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-31507 STARLINK-35991
    Semimajor Axis (a) 6861.369 km 6861.185 km
    Eccentricity (e) 0.000017 0.000123
    Inclination (i) 43.0015° 43.0019°
    RAAN 233.6471° 161.9561°
    Perigee Argument 261.2119° 272.8099°
    Mean Anomaly (M) 98.8713° 87.2612°
    Apogee 483.351 km 483.891 km
    Perigee 483.113 km 482.205 km
    Orbit Epoch 2026-10-19T05:19:12+0000 2026-10-19T00:22:00+0000

    STARLINK-31507 & STARLINK-35991 Collision Probability (Pc) Trend

    STARLINK-31507 & STARLINK-35991 Collision Probability (Pc) TrendNot Available

    STARLINK-31507 & STARLINK-35991 Miss Distance (Miss Distance) Trend

    STARLINK-31507 & STARLINK-35991 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-31507Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35991Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-31507Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35991Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-31507

    No nearby objects data