Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.021096E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T06:15:18+0800
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    1 Object 1

    AOE ID 53149
    NORAD ID 53149
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 65924
    NORAD ID 65924
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4021 STARLINK-34994
    Time of Closest Approach 2026-10-23T03:03:10+0000
    Collision Probability (Pc) 1.021096E-6
    Conjunction Distance (km) 1.865 km
    Relative Speed (km/s) 1.922 km/s
    Conjunction Risk Parameters R (Radial): -0.624 | I (In-track): -1.742 | C (Cross-track): -0.218
    Collision Risk Index (CRI) 0.35
    X Position (km) -998.682 -996.887
    Position Y (km) 4017.732 4017.791
    Position Z (km) -5452.971 -5452.473
    Velocity X (km/s) -7.155 -7.525
    Velocity Y (km/s) -2.566 -1.08
    Velocity Z (km/s) -0.581 0.58

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4021 STARLINK-34994
    Semimajor Axis (a) 6840.880 km 6840.802 km
    Eccentricity (e) 0.000127 0.000126
    Inclination (i) 53.1580° 53.1577°
    RAAN 216.9384° 198.8304°
    Perigee Argument 99.6398° 102.9564°
    Mean Anomaly (M) 260.4748° 257.1579°
    Apogee 463.612 km 463.526 km
    Perigee 461.874 km 461.804 km
    Orbit Epoch 2026-10-20T03:33:29+0000 2026-10-20T03:30:58+0000

    STARLINK-4021 & STARLINK-34994 Collision Probability (Pc) Trend

    STARLINK-4021 & STARLINK-34994 Collision Probability (Pc) TrendNot Available

    STARLINK-4021 & STARLINK-34994 Miss Distance (Miss Distance) Trend

    STARLINK-4021 & STARLINK-34994 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4021Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34994Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4021Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34994Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4021

    No nearby objects data