Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.76503E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T07:33:24+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 57263
    NORAD ID 57263
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 67910
    NORAD ID 67910
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-5509 STARLINK-36847
    Time of Closest Approach 2026-10-22T16:38:14+0000
    Collision Probability (Pc) 2.76503E-6
    Conjunction Distance (km) 1.841 km
    Relative Speed (km/s) 9.932 km/s
    Conjunction Risk Parameters R (Radial): 0.694 | I (In-track): -1.296 | C (Cross-track): 1.108
    Collision Risk Index (CRI) 0.44
    X Position (km) -5938.333 -5939.682
    Position Y (km) -2895.639 -2894.4
    Position Z (km) 1841.634 1841.817
    Velocity X (km/s) 3.741 1.333
    Velocity Y (km/s) -4.617 -5.79
    Velocity Z (km/s) 4.782 -4.781

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5509 STARLINK-36847
    Semimajor Axis (a) 6861.208 km 6861.154 km
    Eccentricity (e) 0.000087 0.000175
    Inclination (i) 42.9994° 43.0005°
    RAAN 203.0204° 58.3239°
    Perigee Argument 293.0814° 273.6852°
    Mean Anomaly (M) 66.9946° 86.3800°
    Apogee 483.668 km 484.220 km
    Perigee 482.474 km 481.814 km
    Orbit Epoch 2026-10-20T03:20:04+0000 2026-10-20T01:11:09+0000

    STARLINK-5509 & STARLINK-36847 Collision Probability (Pc) Trend

    STARLINK-5509 & STARLINK-36847 Collision Probability (Pc) TrendNot Available

    STARLINK-5509 & STARLINK-36847 Miss Distance (Miss Distance) Trend

    STARLINK-5509 & STARLINK-36847 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5509Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-36847Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5509Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-36847Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5509

    No nearby objects data