Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    4.378216E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-19T21:22:10+0800
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    1 Object 1

    AOE ID 59299
    NORAD ID 59299
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 59800
    NORAD ID 59800
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-31409 STARLINK-31812
    Time of Closest Approach 2026-10-21T19:24:13+0000
    Collision Probability (Pc) 4.378216E-7
    Conjunction Distance (km) 2.736 km
    Relative Speed (km/s) 1.343 km/s
    Conjunction Risk Parameters R (Radial): -0.447 | I (In-track): 2.689 | C (Cross-track): -0.236
    Collision Risk Index (CRI) 0.28
    X Position (km) -1668.817 -1671.254
    Position Y (km) 4750.142 4748.936
    Position Z (km) 4652.637 4652.335
    Velocity X (km/s) -7.016 -7.319
    Velocity Y (km/s) -2.95 -2.092
    Velocity Z (km/s) 0.495 -0.492

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-31409 STARLINK-31812
    Semimajor Axis (a) 6861.140 km 6861.201 km
    Eccentricity (e) 0.000195 0.000073
    Inclination (i) 43.0032° 43.0007°
    RAAN 43.8855° 26.1151°
    Perigee Argument 273.7702° 277.1413°
    Mean Anomaly (M) 86.2926° 82.9355°
    Apogee 484.341 km 483.569 km
    Perigee 481.665 km 482.559 km
    Orbit Epoch 2026-10-18T18:51:04+0000 2026-10-19T07:21:20+0000

    STARLINK-31409 & STARLINK-31812 Collision Probability (Pc) Trend

    STARLINK-31409 & STARLINK-31812 Collision Probability (Pc) TrendNot Available

    STARLINK-31409 & STARLINK-31812 Miss Distance (Miss Distance) Trend

    STARLINK-31409 & STARLINK-31812 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-31409Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31812Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-31409Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31812Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-31409

    No nearby objects data