Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.184077E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-16T06:50:01+0800
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    1 Object 1

    AOE ID 55431
    NORAD ID 55431
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 58359
    NORAD ID 58359
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-5643 STARLINK-30878
    Time of Closest Approach 2026-10-16T06:55:43+0000
    Collision Probability (Pc) 1.184077E-6
    Conjunction Distance (km) 2.424 km
    Relative Speed (km/s) 6.893 km/s
    Conjunction Risk Parameters R (Radial): -2.167 | I (In-track): -0.968 | C (Cross-track): -0.487
    Collision Risk Index (CRI) 0.36
    X Position (km) -423.139 -422.357
    Position Y (km) -5055.151 -5056.402
    Position Z (km) 4607.374 4609.297
    Velocity X (km/s) 3.891 7.578
    Velocity Y (km/s) 4.243 0.151
    Velocity Z (km/s) 5.002 0.858

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5643 STARLINK-30878
    Semimajor Axis (a) 6855.195 km 6861.212 km
    Eccentricity (e) 0.000318 0.000084
    Inclination (i) 69.9995° 43.0007°
    RAAN 247.6483° 194.8441°
    Perigee Argument 266.8739° 282.3445°
    Mean Anomaly (M) 93.2073° 77.7313°
    Apogee 479.235 km 483.649 km
    Perigee 474.881 km 482.501 km
    Orbit Epoch 2026-10-15T15:02:05+0000 2026-10-15T02:19:52+0000

    STARLINK-5643 & STARLINK-30878 Collision Probability (Pc) Trend

    STARLINK-5643 & STARLINK-30878 Collision Probability (Pc) TrendNot Available

    STARLINK-5643 & STARLINK-30878 Miss Distance (Miss Distance) Trend

    STARLINK-5643 & STARLINK-30878 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5643Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-30878Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5643Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-30878Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5643

    No nearby objects data