Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.200964E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T06:24:28+0800
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    1 Object 1

    AOE ID 53403
    NORAD ID 53403
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 63949
    NORAD ID 63949
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4507 STARLINK-33993
    Time of Closest Approach 2026-10-21T09:01:33+0000
    Collision Probability (Pc) 1.200964E-6
    Conjunction Distance (km) 2.907 km
    Relative Speed (km/s) 11.425 km/s
    Conjunction Risk Parameters R (Radial): 2.628 | I (In-track): -0.816 | C (Cross-track): -0.934
    Collision Risk Index (CRI) 0.37
    X Position (km) 3873.518 3875.612
    Position Y (km) 3186.553 3186.715
    Position Z (km) -4671.514 -4673.523
    Velocity X (km/s) -6.266 1.284
    Velocity Y (km/s) 2.934 5.667
    Velocity Z (km/s) -3.197 4.93

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4507 STARLINK-33993
    Semimajor Axis (a) 6848.883 km 6852.695 km
    Eccentricity (e) 0.000161 0.000367
    Inclination (i) 53.1584° 70.0008°
    RAAN 181.1270° 61.4867°
    Perigee Argument 89.1325° 270.3973°
    Mean Anomaly (M) 270.9861° 89.6782°
    Apogee 471.849 km 477.071 km
    Perigee 469.643 km 472.045 km
    Orbit Epoch 2026-10-20T02:14:08+0000 2026-10-20T12:50:11+0000

    STARLINK-4507 & STARLINK-33993 Collision Probability (Pc) Trend

    STARLINK-4507 & STARLINK-33993 Collision Probability (Pc) TrendNot Available

    STARLINK-4507 & STARLINK-33993 Miss Distance (Miss Distance) Trend

    STARLINK-4507 & STARLINK-33993 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4507Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-33993Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4507Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-33993Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4507

    No nearby objects data