Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.241236E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T13:44:11+0800
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    1 Object 1

    AOE ID 48099
    NORAD ID 48099
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 52630
    NORAD ID 52630
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-2428 STARLINK-3989
    Time of Closest Approach 2026-10-22T00:20:24+0000
    Collision Probability (Pc) 1.241236E-6
    Conjunction Distance (km) 2.736 km
    Relative Speed (km/s) 10.496 km/s
    Conjunction Risk Parameters R (Radial): 0.664 | I (In-track): 1.92 | C (Cross-track): -1.831
    Collision Risk Index (CRI) 0.37
    X Position (km) -5437.545 -5438.81
    Position Y (km) 1586.3 1583.905
    Position Z (km) -3857.613 -3857.993
    Velocity X (km/s) -4.384 1.287
    Velocity Y (km/s) -4.482 -6.135
    Velocity Z (km/s) 4.337 -4.339

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-2428 STARLINK-3989
    Semimajor Axis (a) 6847.794 km 6848.883 km
    Eccentricity (e) 0.000409 0.000170
    Inclination (i) 53.1564° 53.1586°
    RAAN 206.8704° 323.2755°
    Perigee Argument 184.6238° 87.5509°
    Mean Anomaly (M) 175.4726° 272.5687°
    Apogee 472.461 km 471.908 km
    Perigee 466.853 km 469.584 km
    Orbit Epoch 2026-10-19T08:20:45+0000 2026-10-19T19:41:06+0000

    STARLINK-2428 & STARLINK-3989 Collision Probability (Pc) Trend

    STARLINK-2428 & STARLINK-3989 Collision Probability (Pc) TrendNot Available

    STARLINK-2428 & STARLINK-3989 Miss Distance (Miss Distance) Trend

    STARLINK-2428 & STARLINK-3989 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-2428Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-3989Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-2428Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-3989Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-2428

    No nearby objects data