Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    5.907111E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T09:26:22+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 54089
    NORAD ID 54089
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 59013
    NORAD ID 59013
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-5143 STARLINK-31389
    Time of Closest Approach 2026-10-20T19:17:21+0000
    Collision Probability (Pc) 5.907111E-6
    Conjunction Distance (km) 1.354 km
    Relative Speed (km/s) 7.474 km/s
    Conjunction Risk Parameters R (Radial): 1.117 | I (In-track): -0.669 | C (Cross-track): 0.373
    Collision Risk Index (CRI) 0.5
    X Position (km) 4528.874 4529.397
    Position Y (km) -1303.522 -1304.47
    Position Z (km) -4969.427 -4970.24
    Velocity X (km/s) 4.443 -0.766
    Velocity Y (km/s) 5.636 7.135
    Velocity Z (km/s) 2.573 -2.573

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5143 STARLINK-31389
    Semimajor Axis (a) 6843.316 km 6845.229 km
    Eccentricity (e) 0.000143 0.000145
    Inclination (i) 53.1603° 53.1592°
    RAAN 43.1241° 116.4649°
    Perigee Argument 80.1201° 102.7947°
    Mean Anomaly (M) 279.9962° 257.3217°
    Apogee 466.157 km 468.085 km
    Perigee 464.201 km 466.099 km
    Orbit Epoch 2026-10-19T07:35:54+0000 2026-10-19T18:45:20+0000

    STARLINK-5143 & STARLINK-31389 Collision Probability (Pc) Trend

    STARLINK-5143 & STARLINK-31389 Collision Probability (Pc) TrendNot Available

    STARLINK-5143 & STARLINK-31389 Miss Distance (Miss Distance) Trend

    STARLINK-5143 & STARLINK-31389 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5143Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31389Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5143Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31389Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5143

    No nearby objects data