Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.12005E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T03:53:39+0800
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    1 Object 1

    AOE ID 54170
    NORAD ID 54170
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 62438
    NORAD ID 62438
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-5155 STARLINK-32721
    Time of Closest Approach 2026-10-21T21:42:01+0000
    Collision Probability (Pc) 1.12005E-6
    Conjunction Distance (km) 2.236 km
    Relative Speed (km/s) 4.792 km/s
    Conjunction Risk Parameters R (Radial): -1.118 | I (In-track): -1.837 | C (Cross-track): 0.609
    Collision Risk Index (CRI) 0.36
    X Position (km) -1743.744 -1741.687
    Position Y (km) 3948.476 3948.611
    Position Z (km) 5297.231 5296.365
    Velocity X (km/s) -5.885 -7.388
    Velocity Y (km/s) -4.63 -1.227
    Velocity Z (km/s) 1.51 -1.51

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5155 STARLINK-32721
    Semimajor Axis (a) 6840.884 km 6840.853 km
    Eccentricity (e) 0.000146 0.000262
    Inclination (i) 53.1580° 53.1581°
    RAAN 60.0413° 13.0211°
    Perigee Argument 89.1254° 76.7832°
    Mean Anomaly (M) 270.9916° 283.3463°
    Apogee 463.747 km 464.510 km
    Perigee 461.747 km 460.922 km
    Orbit Epoch 2026-10-19T02:09:06+0000 2026-10-19T06:43:13+0000

    STARLINK-5155 & STARLINK-32721 Collision Probability (Pc) Trend

    STARLINK-5155 & STARLINK-32721 Collision Probability (Pc) TrendNot Available

    STARLINK-5155 & STARLINK-32721 Miss Distance (Miss Distance) Trend

    STARLINK-5155 & STARLINK-32721 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5155Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-32721Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5155Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-32721Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5155

    No nearby objects data