Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    4.361118E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T22:33:08+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 40049
    NORAD ID 40049
    Object Type DEBRIS
    Country
    CIS CIS
    VS

    2 Object 2

    AOE ID 56339
    NORAD ID 56339
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter SL-24 PLAT STARLINK-5552
    Time of Closest Approach 2026-09-13T17:37:04+0000
    Collision Probability (Pc) 4.361118E-7
    Conjunction Distance (km) 2.684 km
    Relative Speed (km/s) 1.252 km/s
    Conjunction Risk Parameters R (Radial): -2.679 | I (In-track): -0.142 | C (Cross-track): 0.02
    Collision Risk Index (CRI) 0.28
    X Position (km) -1043.95 -1043.586
    Position Y (km) -353.446 -353.446
    Position Z (km) 6816.989 6814.33
    Velocity X (km/s) 1.169 2.372
    Velocity Y (km/s) 7.482 7.18
    Velocity Z (km/s) 0.569 0.734

    Orbital Parameters 国际轨道数据源

    Parameter SL-24 PLAT STARLINK-5552
    Semimajor Axis (a) 6911.121 km 6912.819 km
    Eccentricity (e) 0.000530 0.000207
    Inclination (i) 98.1039° 97.2850°
    RAAN 257.6139° 248.7204°
    Perigee Argument 334.1312° 98.5440°
    Mean Anomaly (M) 25.9650° 258.0764°
    Apogee 536.647 km 536.110 km
    Perigee 529.321 km 533.254 km
    Orbit Epoch 2026-09-11T00:04:48+0000 2026-09-11T08:00:04+0000

    SL-24 PLAT & STARLINK-5552 Collision Probability (Pc) Trend

    SL-24 PLAT & STARLINK-5552 Collision Probability (Pc) TrendNot Available

    SL-24 PLAT & STARLINK-5552 Miss Distance (Miss Distance) Trend

    SL-24 PLAT & STARLINK-5552 Miss Distance (Miss Distance) TrendNot Available

    SL-24 PLATMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5552Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    SL-24 PLATCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5552Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SL-24 PLAT

    No nearby objects data