Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    5.477963E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T03:44:40+0800
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    1 Object 1

    AOE ID 53728
    NORAD ID 53728
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 62964
    NORAD ID 62964
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4640 STARLINK-32887
    Time of Closest Approach 2026-10-21T17:02:06+0000
    Collision Probability (Pc) 5.477963E-6
    Conjunction Distance (km) 1.242 km
    Relative Speed (km/s) 4.342 km/s
    Conjunction Risk Parameters R (Radial): -1.225 | I (In-track): -0.189 | C (Cross-track): 0.055
    Collision Risk Index (CRI) 0.5
    X Position (km) 4245.781 4245.044
    Position Y (km) 500.288 500.003
    Position Z (km) 5330.642 5329.684
    Velocity X (km/s) -2.541 0.826
    Velocity Y (km/s) 7.075 7.473
    Velocity Z (km/s) 1.356 -1.356

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4640 STARLINK-32887
    Semimajor Axis (a) 6840.880 km 6840.831 km
    Eccentricity (e) 0.000124 0.000213
    Inclination (i) 53.1590° 53.1572°
    RAAN 310.0705° 267.5929°
    Perigee Argument 93.4343° 92.2285°
    Mean Anomaly (M) 266.6801° 267.8962°
    Apogee 463.592 km 464.154 km
    Perigee 461.894 km 461.234 km
    Orbit Epoch 2026-10-19T00:36:24+0000 2026-10-19T05:11:22+0000

    STARLINK-4640 & STARLINK-32887 Collision Probability (Pc) Trend

    STARLINK-4640 & STARLINK-32887 Collision Probability (Pc) TrendNot Available

    STARLINK-4640 & STARLINK-32887 Miss Distance (Miss Distance) Trend

    STARLINK-4640 & STARLINK-32887 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4640Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-32887Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4640Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-32887Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4640

    No nearby objects data