Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.581465E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T02:03:54+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 56136
    NORAD ID 56136
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 59542
    NORAD ID 59542
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-5489 STARLINK-31540
    Time of Closest Approach 2026-10-28T22:23:37+0000
    Collision Probability (Pc) 1.581465E-6
    Conjunction Distance (km) 2.356 km
    Relative Speed (km/s) 10.298 km/s
    Conjunction Risk Parameters R (Radial): 2.299 | I (In-track): -0.375 | C (Cross-track): 0.35
    Collision Risk Index (CRI) 0.39
    X Position (km) 924.049 923.85
    Position Y (km) -6735.483 -6737.809
    Position Z (km) 910.372 910.681
    Velocity X (km/s) 5.482 5.665
    Velocity Y (km/s) 1.444 0.085
    Velocity Z (km/s) 5.103 -5.103

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5489 STARLINK-31540
    Semimajor Axis (a) 6861.146 km 6860.369 km
    Eccentricity (e) 0.000477 0.000619
    Inclination (i) 42.9895° 43.0049°
    RAAN 279.1653° 115.8476°
    Perigee Argument 281.5090° 279.9001°
    Mean Anomaly (M) 78.5226° 80.1152°
    Apogee 486.282 km 486.480 km
    Perigee 479.736 km 477.984 km
    Orbit Epoch 2026-10-27T05:32:39+0000 2026-10-27T04:51:50+0000

    STARLINK-5489 & STARLINK-31540 Collision Probability (Pc) Trend

    STARLINK-5489 & STARLINK-31540 Collision Probability (Pc) TrendNot Available

    STARLINK-5489 & STARLINK-31540 Miss Distance (Miss Distance) Trend

    STARLINK-5489 & STARLINK-31540 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5489Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31540Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5489Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31540Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5489

    No nearby objects data