Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.440498E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T04:33:38+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 57254
    NORAD ID 57254
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 67412
    NORAD ID 67412
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-5490 STARLINK-36446
    Time of Closest Approach 2026-10-20T18:58:11+0000
    Collision Probability (Pc) 2.440498E-6
    Conjunction Distance (km) 1.924 km
    Relative Speed (km/s) 9.827 km/s
    Conjunction Risk Parameters R (Radial): -1.779 | I (In-track): -0.563 | C (Cross-track): -0.465
    Collision Risk Index (CRI) 0.43
    X Position (km) 5818.665 5817.496
    Position Y (km) 3033.974 3032.54
    Position Z (km) -2008.545 -2008.017
    Velocity X (km/s) -3.967 -1.422
    Velocity Y (km/s) 4.505 5.834
    Velocity Z (km/s) -4.699 4.699

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5490 STARLINK-36446
    Semimajor Axis (a) 6861.209 km 6861.127 km
    Eccentricity (e) 0.000062 0.000267
    Inclination (i) 43.0037° 42.9988°
    RAAN 197.8115° 60.3526°
    Perigee Argument 249.9552° 283.9126°
    Mean Anomaly (M) 110.1233° 76.1428°
    Apogee 483.499 km 484.824 km
    Perigee 482.645 km 481.156 km
    Orbit Epoch 2026-10-19T02:50:35+0000 2026-10-18T09:01:17+0000

    STARLINK-5490 & STARLINK-36446 Collision Probability (Pc) Trend

    STARLINK-5490 & STARLINK-36446 Collision Probability (Pc) TrendNot Available

    STARLINK-5490 & STARLINK-36446 Miss Distance (Miss Distance) Trend

    STARLINK-5490 & STARLINK-36446 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5490Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-36446Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5490Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-36446Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5490

    No nearby objects data