Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    3.69026E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T02:57:27+0800
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    1 Object 1

    AOE ID 53221
    NORAD ID 53221
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 64861
    NORAD ID 64861
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4377 STARLINK-34651
    Time of Closest Approach 2026-10-22T00:05:52+0000
    Collision Probability (Pc) 3.69026E-6
    Conjunction Distance (km) 1.821 km
    Relative Speed (km/s) 14.806 km/s
    Conjunction Risk Parameters R (Radial): -0.67 | I (In-track): -0.4 | C (Cross-track): -1.644
    Collision Risk Index (CRI) 0.46
    X Position (km) 3267.003 3267.326
    Position Y (km) -1371.737 -1370.037
    Position Z (km) 5847.764 5847.197
    Velocity X (km/s) -6.564 5.12
    Velocity Y (km/s) 0.73 -4.173
    Velocity Z (km/s) 3.829 -3.829

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4377 STARLINK-34651
    Semimajor Axis (a) 6843.710 km 6843.653 km
    Eccentricity (e) 0.000095 0.000135
    Inclination (i) 97.2843° 97.2854°
    RAAN 346.5704° 142.1455°
    Perigee Argument 97.4028° 87.0463°
    Mean Anomaly (M) 262.7323° 273.0935°
    Apogee 466.224 km 466.442 km
    Perigee 464.922 km 464.590 km
    Orbit Epoch 2026-10-19T02:55:46+0000 2026-10-19T01:06:14+0000

    STARLINK-4377 & STARLINK-34651 Collision Probability (Pc) Trend

    STARLINK-4377 & STARLINK-34651 Collision Probability (Pc) TrendNot Available

    STARLINK-4377 & STARLINK-34651 Miss Distance (Miss Distance) Trend

    STARLINK-4377 & STARLINK-34651 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4377Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34651Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4377Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34651Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4377

    No nearby objects data