Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    3.677793E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T09:54:04+0800
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    1 Object 1

    AOE ID 58487
    NORAD ID 58487
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 63993
    NORAD ID 63993
    Object Type UNKNOWN
    Country
    CN CN

    Conjunction Constraints

    Parameter STARLINK-30987 OBJECT M
    Time of Closest Approach 2026-10-21T14:50:48+0000
    Collision Probability (Pc) 3.677793E-6
    Conjunction Distance (km) 1.793 km
    Relative Speed (km/s) 13.768 km/s
    Conjunction Risk Parameters R (Radial): 0.267 | I (In-track): 0.751 | C (Cross-track): 1.606
    Collision Risk Index (CRI) 0.46
    X Position (km) 5782.312 5781.862
    Position Y (km) 569.653 571.074
    Position Z (km) 3640.878 3641.873
    Velocity X (km/s) 1.394 -3.879
    Velocity Y (km/s) 6.752 -1.54
    Velocity Z (km/s) -3.262 6.38

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-30987 OBJECT M
    Semimajor Axis (a) 6861.204 km 6855.783 km
    Eccentricity (e) 0.000105 0.000475
    Inclination (i) 43.0030° 97.3555°
    RAAN 241.6773° 8.4675°
    Perigee Argument 276.5835° 213.1178°
    Mean Anomaly (M) 83.4897° 146.9765°
    Apogee 483.789 km 480.906 km
    Perigee 482.345 km 474.386 km
    Orbit Epoch 2026-10-19T04:13:21+0000 2026-10-19T18:44:20+0000

    STARLINK-30987 & OBJECT M Collision Probability (Pc) Trend

    STARLINK-30987 & OBJECT M Collision Probability (Pc) TrendNot Available

    STARLINK-30987 & OBJECT M Miss Distance (Miss Distance) Trend

    STARLINK-30987 & OBJECT M Miss Distance (Miss Distance) TrendNot Available

    STARLINK-30987Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    OBJECT MMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-30987Collision Probability Trend

    Object 1 Probability TrendNot Available

    OBJECT MCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-30987

    No nearby objects data