Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    9.241134E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T09:41:53+0800
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    1 Object 1

    AOE ID 48117
    NORAD ID 48117
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 52479
    NORAD ID 52479
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-2455 STARLINK-3878
    Time of Closest Approach 2026-09-05T06:15:04+0000
    Collision Probability (Pc) 9.241134E-7
    Conjunction Distance (km) 2.971 km
    Relative Speed (km/s) 7.512 km/s
    Conjunction Risk Parameters R (Radial): 0.903 | I (In-track): 2.46 | C (Cross-track): -1.399
    Collision Risk Index (CRI) 0.34
    X Position (km) -95.277 -98.093
    Position Y (km) -4722.724 -4722.048
    Position Z (km) -4966.392 -4965.733
    Velocity X (km/s) 6.686 6.575
    Velocity Y (km/s) 2.585 -2.857
    Velocity Z (km/s) -2.588 2.589

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-2455 STARLINK-3878
    Semimajor Axis (a) 6848.890 km 6849.095 km
    Eccentricity (e) 0.000099 0.000098
    Inclination (i) 53.1585° 53.1597°
    RAAN 52.5239° 332.9125°
    Perigee Argument 77.3259° 72.9011°
    Mean Anomaly (M) 282.7852° 310.7614°
    Apogee 471.431 km 471.629 km
    Perigee 470.075 km 470.287 km
    Orbit Epoch 2026-09-01T21:19:14+0000 2026-09-02T16:00:02+0000

    STARLINK-2455 & STARLINK-3878 Collision Probability (Pc) Trend

    STARLINK-2455 & STARLINK-3878 Collision Probability (Pc) TrendNot Available

    STARLINK-2455 & STARLINK-3878 Miss Distance (Miss Distance) Trend

    STARLINK-2455 & STARLINK-3878 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-2455Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-3878Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-2455Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-3878Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-2455

    No nearby objects data