Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    5.169338E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-05T20:27:42+0800
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    1 Object 1

    AOE ID 53719
    NORAD ID 53719
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 68174
    NORAD ID 68174
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4644 STARLINK-37078
    Time of Closest Approach 2026-09-07T16:57:23+0000
    Collision Probability (Pc) 5.169338E-7
    Conjunction Distance (km) 2.599 km
    Relative Speed (km/s) 1.712 km/s
    Conjunction Risk Parameters R (Radial): -2.591 | I (In-track): 0.186 | C (Cross-track): -0.02
    Collision Risk Index (CRI) 0.29
    X Position (km) 3182.402 3181.079
    Position Y (km) 2639.444 2638.589
    Position Z (km) -5460.158 -5458.092
    Velocity X (km/s) -4.31 -5.361
    Velocity Y (km/s) 6.266 5.396
    Velocity Z (km/s) 0.517 -0.517

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4644 STARLINK-37078
    Semimajor Axis (a) 6843.394 km 6840.867 km
    Eccentricity (e) 0.000107 0.000151
    Inclination (i) 53.1595° 53.1586°
    RAAN 133.7081° 151.6583°
    Perigee Argument 87.7652° 100.2553°
    Mean Anomaly (M) 272.3473° 259.8620°
    Apogee 465.992 km 463.765 km
    Perigee 464.522 km 461.695 km
    Orbit Epoch 2026-09-05T02:45:43+0000 2026-09-04T17:27:41+0000

    STARLINK-4644 & STARLINK-37078 Collision Probability (Pc) Trend

    STARLINK-4644 & STARLINK-37078 Collision Probability (Pc) TrendNot Available

    STARLINK-4644 & STARLINK-37078 Miss Distance (Miss Distance) Trend

    STARLINK-4644 & STARLINK-37078 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4644Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37078Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4644Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37078Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4644

    No nearby objects data