Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.236905E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T08:09:56+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 52551
    NORAD ID 52551
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 59379
    NORAD ID 59379
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3969 STARLINK-31698
    Time of Closest Approach 2026-09-14T03:22:12+0000
    Collision Probability (Pc) 1.236905E-6
    Conjunction Distance (km) 2.662 km
    Relative Speed (km/s) 9.723 km/s
    Conjunction Risk Parameters R (Radial): -2.464 | I (In-track): -0.778 | C (Cross-track): 0.635
    Collision Risk Index (CRI) 0.37
    X Position (km) 3723.169 3721.107
    Position Y (km) -3813.062 -3812.388
    Position Z (km) -4300.389 -4298.848
    Velocity X (km/s) 6.336 2.075
    Velocity Y (km/s) 1.922 6.288
    Velocity Z (km/s) 3.784 -3.785

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3969 STARLINK-31698
    Semimajor Axis (a) 6843.380 km 6840.790 km
    Eccentricity (e) 0.000062 0.000122
    Inclination (i) 53.1609° 53.1598°
    RAAN 3.3676° 111.8946°
    Perigee Argument 72.2396° 108.2526°
    Mean Anomaly (M) 287.8674° 251.8610°
    Apogee 465.671 km 463.489 km
    Perigee 464.815 km 461.817 km
    Orbit Epoch 2026-09-11T14:35:40+0000 2026-09-10T23:19:45+0000

    STARLINK-3969 & STARLINK-31698 Collision Probability (Pc) Trend

    STARLINK-3969 & STARLINK-31698 Collision Probability (Pc) TrendNot Available

    STARLINK-3969 & STARLINK-31698 Miss Distance (Miss Distance) Trend

    STARLINK-3969 & STARLINK-31698 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3969Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31698Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3969Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31698Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3969

    No nearby objects data