Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    5.123485E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-19T05:49:51+0800
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    1 Object 1

    AOE ID 63501
    NORAD ID 63501
    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-33837 HERMES 4
    Time of Closest Approach 2026-10-20T06:44:04+0000
    Collision Probability (Pc) 5.123485E-5
    Conjunction Distance (km) 0.676 km
    Relative Speed (km/s) 5.892 km/s
    Conjunction Risk Parameters R (Radial): 0.168 | I (In-track): 0.603 | C (Cross-track): -0.256
    Collision Risk Index (CRI) 0.69
    X Position (km) -6662.802 -6662.789
    Position Y (km) -573.669 -573.492
    Position Z (km) 1471.643 1470.991
    Velocity X (km/s) 1.701 1.546
    Velocity Y (km/s) -4.556 1.139
    Velocity Z (km/s) 5.884 7.387

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-33837 HERMES 4
    Semimajor Axis (a) 6848.764 km 6846.114 km
    Eccentricity (e) 0.000202 0.000457
    Inclination (i) 53.1552° 97.3707°
    RAAN 185.4658° 184.4030°
    Perigee Argument 93.8485° 109.9305°
    Mean Anomaly (M) 266.2747° 250.2430°
    Apogee 472.009 km 471.107 km
    Perigee 469.245 km 464.847 km
    Orbit Epoch 2026-10-18T02:59:30+0000 2026-10-18T02:58:18+0000

    STARLINK-33837 & HERMES 4 Collision Probability (Pc) Trend

    STARLINK-33837 & HERMES 4 Collision Probability (Pc) TrendNot Available

    STARLINK-33837 & HERMES 4 Miss Distance (Miss Distance) Trend

    STARLINK-33837 & HERMES 4 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-33837Miss 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-33837Collision Probability Trend

    Object 1 Probability TrendNot Available

    HERMES 4Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-33837

    No nearby objects data