Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    8.100761E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-18T14:26:32+0800
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    1 Object 1

    AOE ID 48571
    NORAD ID 48571
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 48688
    NORAD ID 48688
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-2221 STARLINK-2742
    Time of Closest Approach 2026-10-18T16:28:02+0000
    Collision Probability (Pc) 8.100761E-5
    Conjunction Distance (km) 0.608 km
    Relative Speed (km/s) 7.387 km/s
    Conjunction Risk Parameters R (Radial): -0.569 | I (In-track): -0.187 | C (Cross-track): -0.098
    Collision Risk Index (CRI) 0.73
    X Position (km) -2720.954 -2721.009
    Position Y (km) -3818.02 -3818.463
    Position Z (km) 4981.976 4982.388
    Velocity X (km/s) 7.005 3.879
    Velocity Y (km/s) -1.684 -6.071
    Velocity Z (km/s) 2.527 -2.528

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-2221 STARLINK-2742
    Semimajor Axis (a) 6848.368 km 6848.828 km
    Eccentricity (e) 0.000171 0.000137
    Inclination (i) 53.1580° 53.1577°
    RAAN 193.0072° 112.6079°
    Perigee Argument 119.7689° 91.5611°
    Mean Anomaly (M) 240.3482° 268.5547°
    Apogee 471.400 km 471.626 km
    Perigee 469.062 km 469.756 km
    Orbit Epoch 2026-10-16T06:14:59+0000 2026-10-17T13:20:54+0000

    STARLINK-2221 & STARLINK-2742 Collision Probability (Pc) Trend

    STARLINK-2221 & STARLINK-2742 Collision Probability (Pc) TrendNot Available

    STARLINK-2221 & STARLINK-2742 Miss Distance (Miss Distance) Trend

    STARLINK-2221 & STARLINK-2742 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-2221Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-2742Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-2221Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-2742Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-2221

    No nearby objects data