Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.831286E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T06:16:21+0800
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    1 Object 1

    AOE ID 63833
    NORAD ID 63833
    Object Type PAYLOAD
    Country
    IT IT
    ← VS →

    2 Object 2

    AOE ID 67553
    NORAD ID 67553
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter HERMES 4 STARLINK-36569
    Time of Closest Approach 2026-10-21T01:52:26+0000
    Collision Probability (Pc) 1.831286E-6
    Conjunction Distance (km) 1.368 km
    Relative Speed (km/s) 1.097 km/s
    Conjunction Risk Parameters R (Radial): -1.169 | I (In-track): 0.709 | C (Cross-track): -0.051
    Collision Risk Index (CRI) 0.4
    X Position (km) -116.459 -115.73
    Position Y (km) 869.755 869.646
    Position Z (km) 6778.802 6777.65
    Velocity X (km/s) 7.573 7.633
    Velocity Y (km/s) 0.977 -0.109
    Velocity Z (km/s) 0.004 0.144

    Orbital Parameters 国际轨道数据源

    Parameter HERMES 4 STARLINK-36569
    Semimajor Axis (a) 6846.057 km 6843.645 km
    Eccentricity (e) 0.000462 0.000252
    Inclination (i) 97.3707° 97.2895°
    RAAN 185.4436° 177.1584°
    Perigee Argument 107.5329° 91.9397°
    Mean Anomaly (M) 252.6419° 268.2134°
    Apogee 471.086 km 467.236 km
    Perigee 464.754 km 463.780 km
    Orbit Epoch 2026-10-19T04:02:34+0000 2026-10-19T04:04:20+0000

    HERMES 4 & STARLINK-36569 Collision Probability (Pc) Trend

    HERMES 4 & STARLINK-36569 Collision Probability (Pc) TrendNot Available

    HERMES 4 & STARLINK-36569 Miss Distance (Miss Distance) Trend

    HERMES 4 & STARLINK-36569 Miss Distance (Miss Distance) TrendNot Available

    HERMES 4Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-36569Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    HERMES 4Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-36569Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with HERMES 4

    No nearby objects data