Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.104669E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T09:13:10+0800
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    1 Object 1

    AOE ID 53151
    NORAD ID 53151
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 54792
    NORAD ID 54792
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4040 STARLINK-5431
    Time of Closest Approach 2026-10-21T04:38:01+0000
    Collision Probability (Pc) 1.104669E-6
    Conjunction Distance (km) 2.996 km
    Relative Speed (km/s) 10.518 km/s
    Conjunction Risk Parameters R (Radial): 2.772 | I (In-track): -0.823 | C (Cross-track): 0.786
    Collision Risk Index (CRI) 0.36
    X Position (km) -2494.475 -2496.507
    Position Y (km) -5066.901 -5068.452
    Position Z (km) 3846.184 3847.746
    Velocity X (km/s) 6.283 3.661
    Velocity Y (km/s) 0.213 -5.11
    Velocity Z (km/s) 4.342 -4.342

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4040 STARLINK-5431
    Semimajor Axis (a) 6837.868 km 6840.924 km
    Eccentricity (e) 0.000135 0.000163
    Inclination (i) 53.1587° 53.1603°
    RAAN 222.2684° 101.2937°
    Perigee Argument 89.0055° 85.1238°
    Mean Anomaly (M) 271.1103° 274.9951°
    Apogee 460.657 km 463.901 km
    Perigee 458.805 km 461.673 km
    Orbit Epoch 2026-10-19T05:34:23+0000 2026-10-19T17:39:20+0000

    STARLINK-4040 & STARLINK-5431 Collision Probability (Pc) Trend

    STARLINK-4040 & STARLINK-5431 Collision Probability (Pc) TrendNot Available

    STARLINK-4040 & STARLINK-5431 Miss Distance (Miss Distance) Trend

    STARLINK-4040 & STARLINK-5431 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4040Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5431Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4040Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5431Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4040

    No nearby objects data