Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.058381E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T03:00:42+0800
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    1 Object 1

    AOE ID 51742
    NORAD ID 51742
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 68177
    NORAD ID 68177
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3521 STARLINK-36668
    Time of Closest Approach 2026-10-21T02:17:18+0000
    Collision Probability (Pc) 2.058381E-6
    Conjunction Distance (km) 1.905 km
    Relative Speed (km/s) 7.18 km/s
    Conjunction Risk Parameters R (Radial): -1.831 | I (In-track): -0.461 | C (Cross-track): 0.247
    Collision Risk Index (CRI) 0.41
    X Position (km) 2283.531 2283.374
    Position Y (km) 4042.837 4041.496
    Position Z (km) 5014.208 5012.865
    Velocity X (km/s) -7.168 -4.576
    Velocity Y (km/s) 1.021 5.614
    Velocity Z (km/s) 2.435 -2.436

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3521 STARLINK-36668
    Semimajor Axis (a) 6840.866 km 6840.803 km
    Eccentricity (e) 0.000110 0.000319
    Inclination (i) 53.1592° 53.1590°
    RAAN 15.3684° 304.1350°
    Perigee Argument 80.3978° 113.7555°
    Mean Anomaly (M) 279.7148° 246.3783°
    Apogee 463.479 km 464.848 km
    Perigee 461.979 km 460.484 km
    Orbit Epoch 2026-10-19T04:39:55+0000 2026-10-19T01:20:15+0000

    STARLINK-3521 & STARLINK-36668 Collision Probability (Pc) Trend

    STARLINK-3521 & STARLINK-36668 Collision Probability (Pc) TrendNot Available

    STARLINK-3521 & STARLINK-36668 Miss Distance (Miss Distance) Trend

    STARLINK-3521 & STARLINK-36668 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3521Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-36668Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3521Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-36668Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3521

    No nearby objects data