Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    3.498563E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-16T08:37:29+0800
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    1 Object 1

    AOE ID 53664
    NORAD ID 53664
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    Name SARI-2
    AOE ID 66669
    NORAD ID 66669
    Object Type PAYLOAD
    Country
    BR BR

    Conjunction Constraints

    Parameter STARLINK-4471 SARI-2
    Time of Closest Approach 2026-09-16T00:53:39+0000
    Collision Probability (Pc) 3.498563E-6
    Conjunction Distance (km) 1.861 km
    Relative Speed (km/s) 14.98 km/s
    Conjunction Risk Parameters R (Radial): 1.182 | I (In-track): 0.268 | C (Cross-track): -1.411
    Collision Risk Index (CRI) 0.46
    X Position (km) 3647.166 3646.952
    Position Y (km) -2619.087 -2620.702
    Position Z (km) 5157.808 5158.706
    Velocity X (km/s) 3.735 -5.466
    Velocity Y (km/s) -4.497 2.083
    Velocity Z (km/s) -4.911 4.909

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4471 SARI-2
    Semimajor Axis (a) 6843.698 km 6848.393 km
    Eccentricity (e) 0.000173 0.000642
    Inclination (i) 97.2838° 97.3983°
    RAAN 135.4594° 332.4827°
    Perigee Argument 90.8872° 60.6285°
    Mean Anomaly (M) 269.2570° 299.5596°
    Apogee 466.748 km 474.652 km
    Perigee 464.374 km 465.860 km
    Orbit Epoch 2026-09-15T14:55:51+0000 2026-09-15T15:16:22+0000

    STARLINK-4471 & SARI-2 Collision Probability (Pc) Trend

    STARLINK-4471 & SARI-2 Collision Probability (Pc) TrendNot Available

    STARLINK-4471 & SARI-2 Miss Distance (Miss Distance) Trend

    STARLINK-4471 & SARI-2 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4471Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    SARI-2Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4471Collision Probability Trend

    Object 1 Probability TrendNot Available

    SARI-2Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4471

    No nearby objects data