Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.134172E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-19T11:55:03+0800
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    1 Object 1

    AOE ID 53249
    NORAD ID 53249
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 67669
    NORAD ID 67669
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4128 STARLINK-36639
    Time of Closest Approach 2026-10-20T04:11:19+0000
    Collision Probability (Pc) 1.134172E-6
    Conjunction Distance (km) 2.897 km
    Relative Speed (km/s) 10.259 km/s
    Conjunction Risk Parameters R (Radial): 2.857 | I (In-track): -0.352 | C (Cross-track): 0.329
    Collision Risk Index (CRI) 0.36
    X Position (km) 3048.325 3047.002
    Position Y (km) -3027.591 -3025.923
    Position Z (km) 5323.493 5321.528
    Velocity X (km/s) 3.888 -5.22
    Velocity Y (km/s) 6.416 3.011
    Velocity Z (km/s) 1.418 4.689

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4128 STARLINK-36639
    Semimajor Axis (a) 6848.869 km 6843.682 km
    Eccentricity (e) 0.000169 0.000119
    Inclination (i) 53.1586° 97.2838°
    RAAN 255.4896° 322.2517°
    Perigee Argument 91.4517° 101.7533°
    Mean Anomaly (M) 268.6677° 258.3843°
    Apogee 471.887 km 466.359 km
    Perigee 469.577 km 464.731 km
    Orbit Epoch 2026-10-18T08:00:29+0000 2026-10-18T01:51:01+0000

    STARLINK-4128 & STARLINK-36639 Collision Probability (Pc) Trend

    STARLINK-4128 & STARLINK-36639 Collision Probability (Pc) TrendNot Available

    STARLINK-4128 & STARLINK-36639 Miss Distance (Miss Distance) Trend

    STARLINK-4128 & STARLINK-36639 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4128Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-36639Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4128Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-36639Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4128

    No nearby objects data