Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.191291E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T02:51:38+0800
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    1 Object 1

    AOE ID 53777
    NORAD ID 53777
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 64612
    NORAD ID 64612
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4664 STARLINK-34521
    Time of Closest Approach 2026-10-28T04:27:47+0000
    Collision Probability (Pc) 1.191291E-6
    Conjunction Distance (km) 1.999 km
    Relative Speed (km/s) 3.492 km/s
    Conjunction Risk Parameters R (Radial): -0.503 | I (In-track): 1.884 | C (Cross-track): -0.441
    Collision Risk Index (CRI) 0.37
    X Position (km) -2898.752 -2897.135
    Position Y (km) -3062.098 -3063.203
    Position Z (km) -5389.745 -5389.347
    Velocity X (km/s) 4.447 6.339
    Velocity Y (km/s) -6.101 -4.104
    Velocity Z (km/s) 1.075 -1.076

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4664 STARLINK-34521
    Semimajor Axis (a) 6837.890 km 6840.783 km
    Eccentricity (e) 0.000071 0.000412
    Inclination (i) 53.1593° 53.1604°
    RAAN 304.1730° 338.2939°
    Perigee Argument 75.6175° 256.6447°
    Mean Anomaly (M) 284.4907° 103.4096°
    Apogee 460.238 km 465.464 km
    Perigee 459.268 km 459.828 km
    Orbit Epoch 2026-10-27T06:56:19+0000 2026-10-27T02:19:25+0000

    STARLINK-4664 & STARLINK-34521 Collision Probability (Pc) Trend

    STARLINK-4664 & STARLINK-34521 Collision Probability (Pc) TrendNot Available

    STARLINK-4664 & STARLINK-34521 Miss Distance (Miss Distance) Trend

    STARLINK-4664 & STARLINK-34521 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4664Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34521Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4664Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34521Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4664

    No nearby objects data