Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.513744E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-19T10:03:58+0800
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    1 Object 1

    AOE ID 53528
    NORAD ID 53528
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 58829
    NORAD ID 58829
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4503 STARLINK-31258
    Time of Closest Approach 2026-10-19T20:52:16+0000
    Collision Probability (Pc) 2.513744E-6
    Conjunction Distance (km) 1.867 km
    Relative Speed (km/s) 9.066 km/s
    Conjunction Risk Parameters R (Radial): 1.839 | I (In-track): 0.261 | C (Cross-track): 0.185
    Collision Risk Index (CRI) 0.43
    X Position (km) -1076.728 -1076.127
    Position Y (km) 4992.531 4991.263
    Position Z (km) -4562.088 -4560.858
    Velocity X (km/s) -6.63 -5.359
    Velocity Y (km/s) 1.658 -4.243
    Velocity Z (km/s) 3.382 -3.382

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4503 STARLINK-31258
    Semimajor Axis (a) 6843.418 km 6840.888 km
    Eccentricity (e) 0.000094 0.000183
    Inclination (i) 53.1590° 53.1551°
    RAAN 150.2220° 247.6260°
    Perigee Argument 104.8222° 89.2067°
    Mean Anomaly (M) 293.4392° 270.9146°
    Apogee 465.924 km 464.004 km
    Perigee 464.638 km 461.498 km
    Orbit Epoch 2026-10-18T14:00:02+0000 2026-10-18T06:19:38+0000

    STARLINK-4503 & STARLINK-31258 Collision Probability (Pc) Trend

    STARLINK-4503 & STARLINK-31258 Collision Probability (Pc) TrendNot Available

    STARLINK-4503 & STARLINK-31258 Miss Distance (Miss Distance) Trend

    STARLINK-4503 & STARLINK-31258 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4503Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31258Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4503Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31258Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4503

    No nearby objects data