Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    8.100124E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T13:45:28+0800
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    1 Object 1

    AOE ID 52844
    NORAD ID 52844
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 54175
    NORAD ID 54175
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4208 STARLINK-5256
    Time of Closest Approach 2026-10-21T12:09:02+0000
    Collision Probability (Pc) 8.100124E-7
    Conjunction Distance (km) 2.432 km
    Relative Speed (km/s) 3.518 km/s
    Conjunction Risk Parameters R (Radial): -2.426 | I (In-track): -0.152 | C (Cross-track): -0.039
    Collision Risk Index (CRI) 0.33
    X Position (km) 3848.392 3846.962
    Position Y (km) -1736.536 -1736.064
    Position Z (km) -5392.771 -5390.862
    Velocity X (km/s) 1.788 4.313
    Velocity Y (km/s) 7.33 6.193
    Velocity Z (km/s) -1.085 1.084

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4208 STARLINK-5256
    Semimajor Axis (a) 6843.383 km 6840.880 km
    Eccentricity (e) 0.000111 0.000121
    Inclination (i) 53.1613° 53.1596°
    RAAN 92.1208° 58.9535°
    Perigee Argument 81.6414° 85.4507°
    Mean Anomaly (M) 278.4714° 274.6634°
    Apogee 466.006 km 463.574 km
    Perigee 464.486 km 461.912 km
    Orbit Epoch 2026-10-19T10:32:05+0000 2026-10-19T08:54:35+0000

    STARLINK-4208 & STARLINK-5256 Collision Probability (Pc) Trend

    STARLINK-4208 & STARLINK-5256 Collision Probability (Pc) TrendNot Available

    STARLINK-4208 & STARLINK-5256 Miss Distance (Miss Distance) Trend

    STARLINK-4208 & STARLINK-5256 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4208Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5256Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4208Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5256Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4208

    No nearby objects data