Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.24098E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-02T00:40:47+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 51139
    NORAD ID 51139
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 52300
    NORAD ID 52300
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3172 STARLINK-3769
    Time of Closest Approach 2026-09-01T17:17:58+0000
    Collision Probability (Pc) 1.24098E-6
    Conjunction Distance (km) 2.903 km
    Relative Speed (km/s) 12.069 km/s
    Conjunction Risk Parameters R (Radial): -2.762 | I (In-track): -0.537 | C (Cross-track): -0.709
    Collision Risk Index (CRI) 0.37
    X Position (km) 5886.203 5884.251
    Position Y (km) 3182.111 3180.044
    Position Z (km) 1430.962 1430.374
    Velocity X (km/s) -1.108 -3.343
    Velocity Y (km/s) 4.721 3.514
    Velocity Z (km/s) -5.898 5.9

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3172 STARLINK-3769
    Semimajor Axis (a) 6843.383 km 6840.867 km
    Eccentricity (e) 0.000136 0.000096
    Inclination (i) 53.1589° 53.1608°
    RAAN 219.8920° 24.0485°
    Perigee Argument 73.1490° 80.1160°
    Mean Anomaly (M) 286.9661° 279.9952°
    Apogee 466.174 km 463.389 km
    Perigee 464.318 km 462.071 km
    Orbit Epoch 2026-09-01T05:38:07+0000 2026-08-31T16:13:17+0000

    STARLINK-3172 & STARLINK-3769 Collision Probability (Pc) Trend

    STARLINK-3172 & STARLINK-3769 Collision Probability (Pc) TrendNot Available

    STARLINK-3172 & STARLINK-3769 Miss Distance (Miss Distance) Trend

    STARLINK-3172 & STARLINK-3769 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3172Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-3769Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3172Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-3769Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3172

    No nearby objects data