Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.602815E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T15:05:20+0800
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    1 Object 1

    AOE ID 53221
    NORAD ID 53221
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 64170
    NORAD ID 64170
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4377 STARLINK-34177
    Time of Closest Approach 2026-10-21T20:29:25+0000
    Collision Probability (Pc) 1.602815E-6
    Conjunction Distance (km) 2.556 km
    Relative Speed (km/s) 13.544 km/s
    Conjunction Risk Parameters R (Radial): -2.419 | I (In-track): 0.383 | C (Cross-track): 0.726
    Collision Risk Index (CRI) 0.39
    X Position (km) 4505.028 4506.213
    Position Y (km) -182.847 -183.544
    Position Z (km) -5158.412 -5160.566
    Velocity X (km/s) 5.565 -2.075
    Velocity Y (km/s) -1.695 7.037
    Velocity Z (km/s) 4.923 -2.064

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4377 STARLINK-34177
    Semimajor Axis (a) 6843.643 km 6848.865 km
    Eccentricity (e) 0.000117 0.000112
    Inclination (i) 97.2834° 53.1590°
    RAAN 347.3412° 130.6493°
    Perigee Argument 95.2922° 98.7334°
    Mean Anomaly (M) 264.8455° 261.3794°
    Apogee 466.309 km 471.496 km
    Perigee 464.703 km 469.960 km
    Orbit Epoch 2026-10-19T21:43:20+0000 2026-10-19T06:19:58+0000

    STARLINK-4377 & STARLINK-34177 Collision Probability (Pc) Trend

    STARLINK-4377 & STARLINK-34177 Collision Probability (Pc) TrendNot Available

    STARLINK-4377 & STARLINK-34177 Miss Distance (Miss Distance) Trend

    STARLINK-4377 & STARLINK-34177 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4377Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34177Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4377Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34177Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4377

    No nearby objects data