Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    6.681671E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T15:44:13+0800
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    1 Object 1

    AOE ID 48318
    NORAD ID 48318
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 68862
    NORAD ID 68862
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-2509 STARLINK-37453
    Time of Closest Approach 2026-10-21T23:59:23+0000
    Collision Probability (Pc) 6.681671E-6
    Conjunction Distance (km) 1.501 km
    Relative Speed (km/s) 14.761 km/s
    Conjunction Risk Parameters R (Radial): -1.268 | I (In-track): -0.19 | C (Cross-track): -0.778
    Collision Risk Index (CRI) 0.51
    X Position (km) -4170.31 -4171.672
    Position Y (km) 5426.072 5426.616
    Position Z (km) -164.103 -164.421
    Velocity X (km/s) -3.713 0.872
    Velocity Y (km/s) -2.678 0.453
    Velocity Z (km/s) 6.108 -7.568

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-2509 STARLINK-37453
    Semimajor Axis (a) 6846.230 km 6843.634 km
    Eccentricity (e) 0.000100 0.000191
    Inclination (i) 53.1596° 97.2819°
    RAAN 138.0036° 305.0585°
    Perigee Argument 117.5083° 97.0054°
    Mean Anomaly (M) 242.6020° 263.1406°
    Apogee 468.776 km 466.805 km
    Perigee 467.410 km 464.189 km
    Orbit Epoch 2026-10-19T23:29:28+0000 2026-10-19T06:59:38+0000

    STARLINK-2509 & STARLINK-37453 Collision Probability (Pc) Trend

    STARLINK-2509 & STARLINK-37453 Collision Probability (Pc) TrendNot Available

    STARLINK-2509 & STARLINK-37453 Miss Distance (Miss Distance) Trend

    STARLINK-2509 & STARLINK-37453 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-2509Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37453Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-2509Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37453Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-2509

    No nearby objects data