Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    6.898529E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-29T16:03:05+0800
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    1 Object 1

    AOE ID 52687
    NORAD ID 52687
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 57940
    NORAD ID 57940
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3981 STARLINK-30711
    Time of Closest Approach 2026-10-31T09:38:03+0000
    Collision Probability (Pc) 6.898529E-5
    Conjunction Distance (km) 0.715 km
    Relative Speed (km/s) 11.799 km/s
    Conjunction Risk Parameters R (Radial): 0.685 | I (In-track): 0.126 | C (Cross-track): 0.164
    Collision Risk Index (CRI) 0.72
    X Position (km) 6390.185 6390.858
    Position Y (km) -980.778 -980.673
    Position Z (km) -2244.429 -2244.647
    Velocity X (km/s) -1.173 2.642
    Velocity Y (km/s) 5.08 4.493
    Velocity Z (km/s) -5.575 5.575

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3981 STARLINK-30711
    Semimajor Axis (a) 6840.914 km 6841.149 km
    Eccentricity (e) 0.000141 0.000122
    Inclination (i) 53.1592° 53.1637°
    RAAN 169.3669° 19.4347°
    Perigee Argument 89.8622° 71.7171°
    Mean Anomaly (M) 18.0459° 288.3965°
    Apogee 463.740 km 463.849 km
    Perigee 461.814 km 462.175 km
    Orbit Epoch 2026-10-28T14:00:02+0000 2026-10-28T14:30:58+0000

    STARLINK-3981 & STARLINK-30711 Collision Probability (Pc) Trend

    STARLINK-3981 & STARLINK-30711 Collision Probability (Pc) TrendNot Available

    STARLINK-3981 & STARLINK-30711 Miss Distance (Miss Distance) Trend

    STARLINK-3981 & STARLINK-30711 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3981Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-30711Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3981Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-30711Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3981

    No nearby objects data