Conjunction Event Detail

    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    7.720754E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-05T00:40:47+0800
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    1 Object 1

    AOE ID 5858
    NORAD ID 5858
    Object Type DEBRIS
    Country
    CIS CIS
    VS

    2 Object 2

    AOE ID 63078
    NORAD ID 63078
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter SL-8 DEB STARLINK-32821
    Time of Closest Approach 2026-09-05T07:39:38+0000
    Collision Probability (Pc) 7.720754E-5
    Conjunction Distance (km) 0.651 km
    Relative Speed (km/s) 9.208 km/s
    Conjunction Risk Parameters R (Radial): -0.594 | I (In-track): 0.214 | C (Cross-track): -0.154
    Collision Risk Index (CRI) 0.73
    X Position (km) 2484.789 2484.438
    Position Y (km) 1027.234 1027.37
    Position Z (km) 6313.346 6312.815
    Velocity X (km/s) -6.651 0.613
    Velocity Y (km/s) 3.061 7.454
    Velocity Z (km/s) 2.114 -1.452

    Orbital Parameters 国际轨道数据源

    Parameter SL-8 DEB STARLINK-32821
    Semimajor Axis (a) 6870.612 km 6885.182 km
    Eccentricity (e) 0.000255 0.000315
    Inclination (i) 73.9814° 70.0005°
    RAAN 342.2887° 264.0465°
    Perigee Argument 100.2182° 274.2635°
    Mean Anomaly (M) 259.9304° 88.2765°
    Apogee 494.226 km 509.211 km
    Perigee 490.724 km 504.879 km
    Orbit Epoch 2026-09-04T06:08:26+0000 2026-09-04T06:00:02+0000

    SL-8 DEB & STARLINK-32821 Collision Probability (Pc) Trend

    SL-8 DEB & STARLINK-32821 Collision Probability (Pc) TrendNot Available

    SL-8 DEB & STARLINK-32821 Miss Distance (Miss Distance) Trend

    SL-8 DEB & STARLINK-32821 Miss Distance (Miss Distance) TrendNot Available

    SL-8 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-32821Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    SL-8 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-32821Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SL-8 DEB

    No nearby objects data