Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.262273E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T20:54:17+0800
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    1 Object 1

    AOE ID 53558
    NORAD ID 53558
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 64205
    NORAD ID 64205
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4494 STARLINK-34251
    Time of Closest Approach 2026-10-22T19:45:59+0000
    Collision Probability (Pc) 2.262273E-6
    Conjunction Distance (km) 1.649 km
    Relative Speed (km/s) 4.421 km/s
    Conjunction Risk Parameters R (Radial): -0.701 | I (In-track): 1.428 | C (Cross-track): 0.436
    Collision Risk Index (CRI) 0.42
    X Position (km) 4244.241 4244.029
    Position Y (km) -634.833 -633.293
    Position Z (km) -5334.531 -5333.984
    Velocity X (km/s) -0.625 2.779
    Velocity Y (km/s) 7.471 6.964
    Velocity Z (km/s) -1.387 1.386

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4494 STARLINK-34251
    Semimajor Axis (a) 6840.881 km 6840.800 km
    Eccentricity (e) 0.000117 0.000100
    Inclination (i) 53.1592° 53.1535°
    RAAN 116.9777° 74.5400°
    Perigee Argument 77.8680° 61.5265°
    Mean Anomaly (M) 282.2454° 298.5837°
    Apogee 463.548 km 463.344 km
    Perigee 461.940 km 461.982 km
    Orbit Epoch 2026-10-19T18:44:29+0000 2026-10-19T18:37:54+0000

    STARLINK-4494 & STARLINK-34251 Collision Probability (Pc) Trend

    STARLINK-4494 & STARLINK-34251 Collision Probability (Pc) TrendNot Available

    STARLINK-4494 & STARLINK-34251 Miss Distance (Miss Distance) Trend

    STARLINK-4494 & STARLINK-34251 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4494Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34251Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4494Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34251Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4494

    No nearby objects data