Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    1.342723E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T06:21:43+0800
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    1 Object 1

    AOE ID 52699
    NORAD ID 52699
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 61954
    NORAD ID 61954
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3987 STARLINK-32574
    Time of Closest Approach 2026-10-22T15:59:57+0000
    Collision Probability (Pc) 1.342723E-5
    Conjunction Distance (km) 0.847 km
    Relative Speed (km/s) 2.283 km/s
    Conjunction Risk Parameters R (Radial): -0.823 | I (In-track): 0.194 | C (Cross-track): -0.03
    Collision Risk Index (CRI) 0.58
    X Position (km) -840.358 -840.065
    Position Y (km) -4059.651 -4059.203
    Position Z (km) 5431.691 5431.036
    Velocity X (km/s) 7.58 7.214
    Velocity Y (km/s) -0.64 -2.418
    Velocity Z (km/s) 0.693 -0.69

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3987 STARLINK-32574
    Semimajor Axis (a) 6840.857 km 6840.852 km
    Eccentricity (e) 0.000118 0.000148
    Inclination (i) 53.1577° 53.1536°
    RAAN 191.0346° 169.8398°
    Perigee Argument 89.9547° 82.7400°
    Mean Anomaly (M) 270.1591° 277.3771°
    Apogee 463.525 km 463.731 km
    Perigee 461.915 km 461.699 km
    Orbit Epoch 2026-10-20T02:40:13+0000 2026-10-20T01:03:17+0000

    STARLINK-3987 & STARLINK-32574 Collision Probability (Pc) Trend

    STARLINK-3987 & STARLINK-32574 Collision Probability (Pc) TrendNot Available

    STARLINK-3987 & STARLINK-32574 Miss Distance (Miss Distance) Trend

    STARLINK-3987 & STARLINK-32574 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3987Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-32574Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3987Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-32574Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3987

    No nearby objects data