Conjunction Event Detail

    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    2.318328E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T17:15:42+0800
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    1 Object 1

    AOE ID 53066
    NORAD ID 53066
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 60493
    NORAD ID 60493
    Object Type PAYLOAD
    Country
    AR AR

    Conjunction Constraints

    Parameter STARLINK-4309 NUSAT-50 (NANCY ROMAN)
    Time of Closest Approach 2026-09-05T23:56:28+0000
    Collision Probability (Pc) 2.318328E-5
    Conjunction Distance (km) 0.987 km
    Relative Speed (km/s) 11.087 km/s
    Conjunction Risk Parameters R (Radial): 0.956 | I (In-track): 0.17 | C (Cross-track): 0.179
    Collision Risk Index (CRI) 0.62
    X Position (km) 361.984 362.169
    Position Y (km) -1220.312 -1220.071
    Position Z (km) 6728.108 6727.169
    Velocity X (km/s) -3.435 -6.593
    Velocity Y (km/s) -6.732 3.695
    Velocity Z (km/s) -1.033 1.023

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4309 NUSAT-50 (NANCY ROMAN)
    Semimajor Axis (a) 6856.020 km 6852.905 km
    Eccentricity (e) 0.000194 0.000147
    Inclination (i) 97.2857° 97.3737°
    RAAN 62.1765° 327.4437°
    Perigee Argument 67.0666° 273.7832°
    Mean Anomaly (M) 37.3035° 86.3240°
    Apogee 479.211 km 475.777 km
    Perigee 476.555 km 473.759 km
    Orbit Epoch 2026-09-04T04:00:02+0000 2026-09-03T16:39:32+0000

    STARLINK-4309 & NUSAT-50 (NANCY ROMAN) Collision Probability (Pc) Trend

    STARLINK-4309 & NUSAT-50 (NANCY ROMAN) Collision Probability (Pc) TrendNot Available

    STARLINK-4309 & NUSAT-50 (NANCY ROMAN) Miss Distance (Miss Distance) Trend

    STARLINK-4309 & NUSAT-50 (NANCY ROMAN) Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4309Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    NUSAT-50 (NANCY ROMAN)Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4309Collision Probability Trend

    Object 1 Probability TrendNot Available

    NUSAT-50 (NANCY ROMAN)Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4309

    No nearby objects data