Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.226944E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-06T00:56:59+0800
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    1 Object 1

    AOE ID 16867
    NORAD ID 16867
    Object Type DEBRIS
    Country
    CIS CIS
    VS

    2 Object 2

    AOE ID 53417
    NORAD ID 53417
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter SL-8 DEB STARLINK-4484
    Time of Closest Approach 2026-09-06T01:47:33+0000
    Collision Probability (Pc) 1.226944E-6
    Conjunction Distance (km) 2.042 km
    Relative Speed (km/s) 4.005 km/s
    Conjunction Risk Parameters R (Radial): -1.87 | I (In-track): 0.789 | C (Cross-track): -0.214
    Collision Risk Index (CRI) 0.37
    X Position (km) -2415.023 -2416.304
    Position Y (km) -4682.81 -4684.234
    Position Z (km) -4446.509 -4447.213
    Velocity X (km/s) 4.532 6.691
    Velocity Y (km/s) 2.805 -0.035
    Velocity Z (km/s) -5.422 -3.602

    Orbital Parameters 国际轨道数据源

    Parameter SL-8 DEB STARLINK-4484
    Semimajor Axis (a) 6894.733 km 6891.569 km
    Eccentricity (e) 0.000956 0.000125
    Inclination (i) 73.9965° 53.1591°
    RAAN 50.5780° 27.2304°
    Perigee Argument 214.8375° 84.4207°
    Mean Anomaly (M) 145.2195° 321.3479°
    Apogee 523.186 km 514.293 km
    Perigee 510.006 km 512.571 km
    Orbit Epoch 2026-09-05T04:14:00+0000 2026-09-05T06:00:02+0000

    SL-8 DEB & STARLINK-4484 Collision Probability (Pc) Trend

    SL-8 DEB & STARLINK-4484 Collision Probability (Pc) TrendNot Available

    SL-8 DEB & STARLINK-4484 Miss Distance (Miss Distance) Trend

    SL-8 DEB & STARLINK-4484 Miss Distance (Miss Distance) TrendNot Available

    SL-8 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4484Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    SL-8 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4484Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SL-8 DEB

    No nearby objects data