Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    7.661765E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T21:33:38+0800
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    1 Object 1

    AOE ID 53542
    NORAD ID 53542
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 66147
    NORAD ID 66147
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4489 STARLINK-33948
    Time of Closest Approach 2026-10-30T09:52:13+0000
    Collision Probability (Pc) 7.661765E-6
    Conjunction Distance (km) 0.97 km
    Relative Speed (km/s) 1.939 km/s
    Conjunction Risk Parameters R (Radial): -0.911 | I (In-track): 0.327 | C (Cross-track): -0.043
    Collision Risk Index (CRI) 0.53
    X Position (km) -3506.104 -3505.812
    Position Y (km) 2186.804 2186.233
    Position Z (km) 5442.174 5441.446
    Velocity X (km/s) -3.353 -4.665
    Velocity Y (km/s) -6.838 -6.022
    Velocity Z (km/s) 0.586 -0.584

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4489 STARLINK-33948
    Semimajor Axis (a) 6840.914 km 6840.871 km
    Eccentricity (e) 0.000099 0.000123
    Inclination (i) 53.1618° 53.1600°
    RAAN 80.0422° 61.3901°
    Perigee Argument 80.9846° 71.8733°
    Mean Anomaly (M) 279.1268° 74.0164°
    Apogee 463.452 km 463.575 km
    Perigee 462.102 km 461.893 km
    Orbit Epoch 2026-10-27T15:50:46+0000 2026-10-27T18:00:02+0000

    STARLINK-4489 & STARLINK-33948 Collision Probability (Pc) Trend

    STARLINK-4489 & STARLINK-33948 Collision Probability (Pc) TrendNot Available

    STARLINK-4489 & STARLINK-33948 Miss Distance (Miss Distance) Trend

    STARLINK-4489 & STARLINK-33948 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4489Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-33948Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4489Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-33948Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4489

    No nearby objects data