Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.422511E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T05:38:03+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 52642
    NORAD ID 52642
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 69820
    NORAD ID 69820
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3971 STARLINK-37553
    Time of Closest Approach 2026-09-03T23:11:48+0000
    Collision Probability (Pc) 1.422511E-6
    Conjunction Distance (km) 2.519 km
    Relative Speed (km/s) 10.595 km/s
    Conjunction Risk Parameters R (Radial): 2.42 | I (In-track): -0.501 | C (Cross-track): -0.482
    Collision Risk Index (CRI) 0.38
    X Position (km) 5390.388 5392.521
    Position Y (km) 1854.49 1854.488
    Position Z (km) -3784.64 -3785.978
    Velocity X (km/s) -4.555 0.983
    Velocity Y (km/s) 4.24 6.144
    Velocity Z (km/s) -4.415 4.415

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3971 STARLINK-37553
    Semimajor Axis (a) 6837.870 km 6840.834 km
    Eccentricity (e) 0.000116 0.000069
    Inclination (i) 53.1595° 53.1609°
    RAAN 177.8584° 58.5377°
    Perigee Argument 87.3342° 59.5324°
    Mean Anomaly (M) 272.7794° 300.5746°
    Apogee 460.529 km 463.169 km
    Perigee 458.937 km 462.225 km
    Orbit Epoch 2026-09-02T02:29:03+0000 2026-09-01T21:21:50+0000

    STARLINK-3971 & STARLINK-37553 Collision Probability (Pc) Trend

    STARLINK-3971 & STARLINK-37553 Collision Probability (Pc) TrendNot Available

    STARLINK-3971 & STARLINK-37553 Miss Distance (Miss Distance) Trend

    STARLINK-3971 & STARLINK-37553 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3971Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37553Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3971Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37553Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3971

    No nearby objects data