Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    6.415474E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T13:33:49+0800
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    1 Object 1

    AOE ID 49143
    NORAD ID 49143
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 55923
    NORAD ID 55923
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3109 STARLINK-5854
    Time of Closest Approach 2026-10-20T14:18:30+0000
    Collision Probability (Pc) 6.415474E-7
    Conjunction Distance (km) 2.864 km
    Relative Speed (km/s) 3.504 km/s
    Conjunction Risk Parameters R (Radial): -2.805 | I (In-track): 0.559 | C (Cross-track): 0.132
    Collision Risk Index (CRI) 0.31
    X Position (km) -2426.466 -2425.556
    Position Y (km) 292.001 291.313
    Position Z (km) 6503.362 6500.735
    Velocity X (km/s) -2.508 0.748
    Velocity Y (km/s) -7.118 -7.511
    Velocity Z (km/s) -0.615 0.615

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3109 STARLINK-5854
    Semimajor Axis (a) 6952.694 km 6950.194 km
    Eccentricity (e) 0.000302 0.000257
    Inclination (i) 69.9989° 69.9979°
    RAAN 71.9603° 99.6148°
    Perigee Argument 267.9428° 271.4328°
    Mean Anomaly (M) 92.1384° 88.6537°
    Apogee 576.657 km 573.842 km
    Perigee 572.457 km 570.272 km
    Orbit Epoch 2026-10-19T09:01:48+0000 2026-10-19T17:06:04+0000

    STARLINK-3109 & STARLINK-5854 Collision Probability (Pc) Trend

    STARLINK-3109 & STARLINK-5854 Collision Probability (Pc) TrendNot Available

    STARLINK-3109 & STARLINK-5854 Miss Distance (Miss Distance) Trend

    STARLINK-3109 & STARLINK-5854 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3109Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5854Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3109Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5854Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3109

    No nearby objects data