Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    2.037201E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T07:58:54+0800
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    1 Object 1

    AOE ID 59556
    NORAD ID 59556
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 66681
    NORAD ID 66681
    Object Type PAYLOAD
    Country
    GR GR

    Conjunction Constraints

    Parameter STARLINK-31718 PHASMA-DIRAC
    Time of Closest Approach 2026-10-29T08:16:30+0000
    Collision Probability (Pc) 2.037201E-5
    Conjunction Distance (km) 1.027 km
    Relative Speed (km/s) 11.227 km/s
    Conjunction Risk Parameters R (Radial): -0.208 | I (In-track): -0.677 | C (Cross-track): -0.742
    Collision Risk Index (CRI) 0.61
    X Position (km) -4674.917 -4675.332
    Position Y (km) -1878.592 -1879.419
    Position Z (km) 4652.703 4652.259
    Velocity X (km/s) 2.389 -5.227
    Velocity Y (km/s) -7.222 -0.661
    Velocity Z (km/s) -0.512 -5.51

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-31718 PHASMA-DIRAC
    Semimajor Axis (a) 6861.457 km 6860.596 km
    Eccentricity (e) 0.000493 0.000333
    Inclination (i) 43.0022° 97.4000°
    RAAN 117.9332° 12.8376°
    Perigee Argument 279.6217° 265.2172°
    Mean Anomaly (M) 80.4077° 94.8687°
    Apogee 486.705 km 484.743 km
    Perigee 479.935 km 480.175 km
    Orbit Epoch 2026-10-26T21:47:29+0000 2026-10-27T03:48:20+0000

    STARLINK-31718 & PHASMA-DIRAC Collision Probability (Pc) Trend

    STARLINK-31718 & PHASMA-DIRAC Collision Probability (Pc) TrendNot Available

    STARLINK-31718 & PHASMA-DIRAC Miss Distance (Miss Distance) Trend

    STARLINK-31718 & PHASMA-DIRAC Miss Distance (Miss Distance) TrendNot Available

    STARLINK-31718Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    PHASMA-DIRACMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-31718Collision Probability Trend

    Object 1 Probability TrendNot Available

    PHASMA-DIRACCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-31718

    No nearby objects data