Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    2.443214E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T23:49:02+0800
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    1 Object 1

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

    2 Object 2

    AOE ID 68275
    NORAD ID 68275
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3172 STARLINK-37123
    Time of Closest Approach 2026-09-16T22:55:41+0000
    Collision Probability (Pc) 2.443214E-7
    Conjunction Distance (km) 2.698 km
    Relative Speed (km/s) 0.002 km/s
    Conjunction Risk Parameters R (Radial): -2.677 | I (In-track): 0.003 | C (Cross-track): -0.325
    Collision Risk Index (CRI) 0.23
    X Position (km) -3365.94 -3364.764
    Position Y (km) -2588.251 -2587.456
    Position Z (km) 5356.974 5354.681
    Velocity X (km/s) 5.729 5.731
    Velocity Y (km/s) -4.898 -4.898
    Velocity Z (km/s) 1.23 1.231

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3172 STARLINK-37123
    Semimajor Axis (a) 6843.372 km 6840.835 km
    Eccentricity (e) 0.000134 0.000128
    Inclination (i) 53.1589° 53.1580°
    RAAN 173.3392° 173.3722°
    Perigee Argument 92.8242° 104.8619°
    Mean Anomaly (M) 267.2913° 255.2525°
    Apogee 466.154 km 463.573 km
    Perigee 464.316 km 461.823 km
    Orbit Epoch 2026-09-11T04:56:46+0000 2026-09-11T05:01:38+0000

    STARLINK-3172 & STARLINK-37123 Collision Probability (Pc) Trend

    STARLINK-3172 & STARLINK-37123 Collision Probability (Pc) TrendNot Available

    STARLINK-3172 & STARLINK-37123 Miss Distance (Miss Distance) Trend

    STARLINK-3172 & STARLINK-37123 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3172Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37123Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3172Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37123Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3172

    No nearby objects data