Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    2.156485E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T18:48:55+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 53626
    NORAD ID 53626
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 67977
    NORAD ID 67977
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4554 STARLINK-36904
    Time of Closest Approach 2026-09-06T04:08:17+0000
    Collision Probability (Pc) 2.156485E-6
    Conjunction Distance (km) 2.185 km
    Relative Speed (km/s) 13.229 km/s
    Conjunction Risk Parameters R (Radial): -2.175 | I (In-track): -0.1 | C (Cross-track): -0.167
    Collision Risk Index (CRI) 0.42
    X Position (km) 1572.057 1572.386
    Position Y (km) 4047.024 4048.267
    Position Z (km) -5296.998 -5298.764
    Velocity X (km/s) -6.033 -0.669
    Velocity Y (km/s) 4.389 -5.934
    Velocity Z (km/s) 1.564 -4.735

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4554 STARLINK-36904
    Semimajor Axis (a) 6843.341 km 6843.649 km
    Eccentricity (e) 0.000136 0.000095
    Inclination (i) 53.1596° 97.2858°
    RAAN 144.6105° 255.0752°
    Perigee Argument 77.9706° 86.4588°
    Mean Anomaly (M) 282.1449° 273.6763°
    Apogee 466.138 km 466.160 km
    Perigee 464.270 km 464.864 km
    Orbit Epoch 2026-09-04T02:24:50+0000 2026-09-03T10:55:25+0000

    STARLINK-4554 & STARLINK-36904 Collision Probability (Pc) Trend

    STARLINK-4554 & STARLINK-36904 Collision Probability (Pc) TrendNot Available

    STARLINK-4554 & STARLINK-36904 Miss Distance (Miss Distance) Trend

    STARLINK-4554 & STARLINK-36904 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4554Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-36904Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4554Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-36904Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4554

    No nearby objects data