Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.526481E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-19T18:18:04+0800
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    1 Object 1

    AOE ID 51874
    NORAD ID 51874
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 66372
    NORAD ID 66372
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3574 STARLINK-35821
    Time of Closest Approach 2026-10-21T13:25:37+0000
    Collision Probability (Pc) 2.526481E-6
    Conjunction Distance (km) 1.995 km
    Relative Speed (km/s) 12.042 km/s
    Conjunction Risk Parameters R (Radial): 0.803 | I (In-track): -1.125 | C (Cross-track): -1.438
    Collision Risk Index (CRI) 0.43
    X Position (km) 2474.586 2472.6
    Position Y (km) 6185.888 6185.841
    Position Z (km) 1546.444 1546.261
    Velocity X (km/s) -4.872 -3.856
    Velocity Y (km/s) 0.474 3.017
    Velocity Z (km/s) 5.863 -5.863

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3574 STARLINK-35821
    Semimajor Axis (a) 6840.881 km 6840.857 km
    Eccentricity (e) 0.000138 0.000180
    Inclination (i) 53.1601° 53.1572°
    RAAN 69.7630° 271.7766°
    Perigee Argument 78.7317° 89.7240°
    Mean Anomaly (M) 281.3840° 270.3969°
    Apogee 463.691 km 463.954 km
    Perigee 461.797 km 461.486 km
    Orbit Epoch 2026-10-19T01:57:06+0000 2026-10-18T15:56:20+0000

    STARLINK-3574 & STARLINK-35821 Collision Probability (Pc) Trend

    STARLINK-3574 & STARLINK-35821 Collision Probability (Pc) TrendNot Available

    STARLINK-3574 & STARLINK-35821 Miss Distance (Miss Distance) Trend

    STARLINK-3574 & STARLINK-35821 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3574Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35821Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3574Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35821Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3574

    No nearby objects data