Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    7.357026E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T07:48:40+0800
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    1 Object 1

    AOE ID 51891
    NORAD ID 51891
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 69372
    NORAD ID 69372
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3549 STARLINK-37688
    Time of Closest Approach 2026-10-21T17:32:18+0000
    Collision Probability (Pc) 7.357026E-7
    Conjunction Distance (km) 2.92 km
    Relative Speed (km/s) 4.759 km/s
    Conjunction Risk Parameters R (Radial): 0.979 | I (In-track): 2.612 | C (Cross-track): 0.861
    Collision Risk Index (CRI) 0.32
    X Position (km) -1367.739 -1364.936
    Position Y (km) 4090.222 4090.51
    Position Z (km) 5300.239 5299.476
    Velocity X (km/s) -6.299 -7.471
    Velocity Y (km/s) -4.053 -0.548
    Velocity Z (km/s) 1.499 -1.498

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3549 STARLINK-37688
    Semimajor Axis (a) 6840.862 km 6840.825 km
    Eccentricity (e) 0.000113 0.000213
    Inclination (i) 53.1617° 53.1590°
    RAAN 52.7059° 7.5503°
    Perigee Argument 77.9976° 106.3441°
    Mean Anomaly (M) 282.1153° 253.7796°
    Apogee 463.499 km 464.148 km
    Perigee 461.951 km 461.228 km
    Orbit Epoch 2026-10-19T07:22:10+0000 2026-10-19T04:07:20+0000

    STARLINK-3549 & STARLINK-37688 Collision Probability (Pc) Trend

    STARLINK-3549 & STARLINK-37688 Collision Probability (Pc) TrendNot Available

    STARLINK-3549 & STARLINK-37688 Miss Distance (Miss Distance) Trend

    STARLINK-3549 & STARLINK-37688 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3549Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37688Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3549Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37688Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3549

    No nearby objects data