Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    3.26706E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T02:57:44+0800
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    1 Object 1

    AOE ID 48694
    NORAD ID 48694
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 53498
    NORAD ID 53498
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-2748 STARLINK-4439
    Time of Closest Approach 2026-10-20T11:27:47+0000
    Collision Probability (Pc) 3.26706E-6
    Conjunction Distance (km) 1.698 km
    Relative Speed (km/s) 9.009 km/s
    Conjunction Risk Parameters R (Radial): 0.045 | I (In-track): 1.373 | C (Cross-track): 0.999
    Collision Risk Index (CRI) 0.45
    X Position (km) 2433.442 2433.414
    Position Y (km) 3981.169 3982.534
    Position Z (km) -5016.681 -5015.671
    Velocity X (km/s) -4.35 4.068
    Velocity Y (km/s) 5.756 3.936
    Velocity Z (km/s) 2.46 5.103

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-2748 STARLINK-4439
    Semimajor Axis (a) 6846.857 km 6843.704 km
    Eccentricity (e) 0.000136 0.000115
    Inclination (i) 53.1571° 97.2862°
    RAAN 118.9210° 49.5213°
    Perigee Argument 92.2949° 101.4770°
    Mean Anomaly (M) 267.8209° 258.6602°
    Apogee 469.652 km 466.354 km
    Perigee 467.788 km 464.780 km
    Orbit Epoch 2026-10-19T01:19:09+0000 2026-10-19T07:28:48+0000

    STARLINK-2748 & STARLINK-4439 Collision Probability (Pc) Trend

    STARLINK-2748 & STARLINK-4439 Collision Probability (Pc) TrendNot Available

    STARLINK-2748 & STARLINK-4439 Miss Distance (Miss Distance) Trend

    STARLINK-2748 & STARLINK-4439 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-2748Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4439Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-2748Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4439Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-2748

    No nearby objects data