Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    5.850191E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T06:01:39+0800
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    1 Object 1

    AOE ID 52469
    NORAD ID 52469
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 53003
    NORAD ID 53003
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3828 STARLINK-4255
    Time of Closest Approach 2026-10-22T20:27:23+0000
    Collision Probability (Pc) 5.850191E-7
    Conjunction Distance (km) 2.944 km
    Relative Speed (km/s) 3.098 km/s
    Conjunction Risk Parameters R (Radial): 2.433 | I (In-track): 1.625 | C (Cross-track): -0.334
    Collision Risk Index (CRI) 0.3
    X Position (km) -3715.101 -3714.546
    Position Y (km) -1932.657 -1930.499
    Position Z (km) 5402.661 5400.737
    Velocity X (km/s) 2.362 4.537
    Velocity Y (km/s) -7.201 -6.072
    Velocity Z (km/s) -0.949 0.947

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3828 STARLINK-4255
    Semimajor Axis (a) 6843.388 km 6840.874 km
    Eccentricity (e) 0.000107 0.000103
    Inclination (i) 53.1587° 53.1548°
    RAAN 113.8235° 145.2987°
    Perigee Argument 85.5363° 98.9282°
    Mean Anomaly (M) 274.5762° 261.1838°
    Apogee 465.984 km 463.443 km
    Perigee 464.518 km 462.031 km
    Orbit Epoch 2026-10-20T11:43:07+0000 2026-10-20T00:53:05+0000

    STARLINK-3828 & STARLINK-4255 Collision Probability (Pc) Trend

    STARLINK-3828 & STARLINK-4255 Collision Probability (Pc) TrendNot Available

    STARLINK-3828 & STARLINK-4255 Miss Distance (Miss Distance) Trend

    STARLINK-3828 & STARLINK-4255 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3828Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4255Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3828Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4255Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3828

    No nearby objects data