Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    3.17741E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T07:57:24+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 49743
    NORAD ID 49743
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 53231
    NORAD ID 53231
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3239 STARLINK-4370
    Time of Closest Approach 2026-09-13T02:35:18+0000
    Collision Probability (Pc) 3.17741E-6
    Conjunction Distance (km) 1.717 km
    Relative Speed (km/s) 9.063 km/s
    Conjunction Risk Parameters R (Radial): 0.45 | I (In-track): 1.331 | C (Cross-track): 0.988
    Collision Risk Index (CRI) 0.45
    X Position (km) 3553.756 3555.291
    Position Y (km) -2993.902 -2994.257
    Position Z (km) -5038.621 -5037.938
    Velocity X (km/s) 6.341 3.288
    Velocity Y (km/s) 3.473 -4.632
    Velocity Z (km/s) 2.41 5.078

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3239 STARLINK-4370
    Semimajor Axis (a) 6848.873 km 6847.833 km
    Eccentricity (e) 0.000102 0.000251
    Inclination (i) 53.1620° 97.2838°
    RAAN 21.5007° 310.4277°
    Perigee Argument 113.7289° 87.4971°
    Mean Anomaly (M) 246.3819° 101.0287°
    Apogee 471.434 km 471.413 km
    Perigee 470.038 km 467.979 km
    Orbit Epoch 2026-09-11T13:17:42+0000 2026-09-11T14:00:03+0000

    STARLINK-3239 & STARLINK-4370 Collision Probability (Pc) Trend

    STARLINK-3239 & STARLINK-4370 Collision Probability (Pc) TrendNot Available

    STARLINK-3239 & STARLINK-4370 Miss Distance (Miss Distance) Trend

    STARLINK-3239 & STARLINK-4370 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3239Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4370Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3239Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4370Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3239

    No nearby objects data