Conjunction Event Detail

    ⚠
    High Risk
    High collision probability. Maneuver recommended for primary asset.
    7.955665E-4
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-19T02:09:43+0800
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    1 Object 1

    AOE ID 46058
    NORAD ID 46058
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 63833
    NORAD ID 63833
    Object Type PAYLOAD
    Country
    IT IT

    Conjunction Constraints

    Parameter STARLINK-1564 HERMES 4
    Time of Closest Approach 2026-10-19T01:02:18+0000
    Collision Probability (Pc) 7.955665E-4
    Conjunction Distance (km) 0.152 km
    Relative Speed (km/s) 6.699 km/s
    Conjunction Risk Parameters R (Radial): 0.136 | I (In-track): 0.059 | C (Cross-track): 0.034
    Collision Risk Index (CRI) 0.93
    X Position (km) -5952.384 -5952.47
    Position Y (km) -115.287 -115.304
    Position Z (km) 3375.48 3375.604
    Velocity X (km/s) 2.837 3.713
    Velocity Y (km/s) -5.208 1.198
    Velocity Z (km/s) 4.808 6.561

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-1564 HERMES 4
    Semimajor Axis (a) 6847.485 km 6846.114 km
    Eccentricity (e) 0.000153 0.000457
    Inclination (i) 53.1572° 97.3707°
    RAAN 159.9363° 184.4030°
    Perigee Argument 138.0292° 109.9305°
    Mean Anomaly (M) 222.0828° 250.2430°
    Apogee 470.399 km 471.107 km
    Perigee 468.297 km 464.847 km
    Orbit Epoch 2026-10-18T04:31:19+0000 2026-10-18T02:58:18+0000

    STARLINK-1564 & HERMES 4 Collision Probability (Pc) Trend

    STARLINK-1564 & HERMES 4 Collision Probability (Pc) TrendNot Available

    STARLINK-1564 & HERMES 4 Miss Distance (Miss Distance) Trend

    STARLINK-1564 & HERMES 4 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-1564Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    HERMES 4Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-1564Collision Probability Trend

    Object 1 Probability TrendNot Available

    HERMES 4Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-1564

    No nearby objects data