Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    3.091638E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T06:18:23+0800
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    1 Object 1

    AOE ID 51980
    NORAD ID 51980
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 63502
    NORAD ID 63502
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3649 STARLINK-33818
    Time of Closest Approach 2026-10-20T18:39:06+0000
    Collision Probability (Pc) 3.091638E-5
    Conjunction Distance (km) 0.84 km
    Relative Speed (km/s) 7.711 km/s
    Conjunction Risk Parameters R (Radial): -0.799 | I (In-track): 0.22 | C (Cross-track): -0.134
    Collision Risk Index (CRI) 0.65
    X Position (km) -3475.655 -3476.234
    Position Y (km) -3234.886 -3235.073
    Position Z (km) 4915.337 4915.916
    Velocity X (km/s) 2.46 6.524
    Velocity Y (km/s) -6.719 -2.936
    Velocity Z (km/s) -2.676 2.674

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3649 STARLINK-33818
    Semimajor Axis (a) 6840.992 km 6840.790 km
    Eccentricity (e) 0.000098 0.000106
    Inclination (i) 53.1607° 53.1570°
    RAAN 100.0390° 179.6974°
    Perigee Argument 105.1490° 195.9509°
    Mean Anomaly (M) 254.9620° 164.1460°
    Apogee 463.525 km 463.381 km
    Perigee 462.185 km 461.925 km
    Orbit Epoch 2026-10-19T10:52:58+0000 2026-10-19T03:17:39+0000

    STARLINK-3649 & STARLINK-33818 Collision Probability (Pc) Trend

    STARLINK-3649 & STARLINK-33818 Collision Probability (Pc) TrendNot Available

    STARLINK-3649 & STARLINK-33818 Miss Distance (Miss Distance) Trend

    STARLINK-3649 & STARLINK-33818 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3649Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-33818Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3649Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-33818Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3649

    No nearby objects data