Conjunction Event Detail

    ⚠
    High Risk
    High collision probability. Maneuver recommended for primary asset.
    2.816794E-4
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T03:31:13+0800
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    1 Object 1

    AOE ID 50831
    NORAD ID 50831
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 52610
    NORAD ID 52610
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3299 STARLINK-3998
    Time of Closest Approach 2026-10-20T05:19:26+0000
    Collision Probability (Pc) 2.816794E-4
    Conjunction Distance (km) 0.388 km
    Relative Speed (km/s) 10.21 km/s
    Conjunction Risk Parameters R (Radial): 0.198 | I (In-track): 0.245 | C (Cross-track): -0.226
    Collision Risk Index (CRI) 0.84
    X Position (km) -5430.926 -5431.02
    Position Y (km) -998.388 -998.744
    Position Z (km) -4041.922 -4042.042
    Velocity X (km/s) -1.936 3.988
    Velocity Y (km/s) -6.12 -5.031
    Velocity Z (km/s) 4.122 -4.121

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3299 STARLINK-3998
    Semimajor Axis (a) 6837.474 km 6837.836 km
    Eccentricity (e) 0.000412 0.000219
    Inclination (i) 53.1550° 53.1579°
    RAAN 228.5448° 342.2046°
    Perigee Argument 77.7662° 71.3161°
    Mean Anomaly (M) 282.3803° 288.8079°
    Apogee 462.156 km 461.196 km
    Perigee 456.518 km 458.202 km
    Orbit Epoch 2026-10-19T04:32:16+0000 2026-10-19T03:20:30+0000

    STARLINK-3299 & STARLINK-3998 Collision Probability (Pc) Trend

    STARLINK-3299 & STARLINK-3998 Collision Probability (Pc) TrendNot Available

    STARLINK-3299 & STARLINK-3998 Miss Distance (Miss Distance) Trend

    STARLINK-3299 & STARLINK-3998 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3299Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-3998Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3299Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-3998Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3299

    No nearby objects data