Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.376424E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-19T13:47:10+0800
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    1 Object 1

    AOE ID 56337
    NORAD ID 56337
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 59725
    NORAD ID 59725
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-5561 STARLINK-31820
    Time of Closest Approach 2026-10-20T11:21:09+0000
    Collision Probability (Pc) 1.376424E-6
    Conjunction Distance (km) 2.746 km
    Relative Speed (km/s) 12.671 km/s
    Conjunction Risk Parameters R (Radial): 2.744 | I (In-track): 0.043 | C (Cross-track): 0.085
    Collision Risk Index (CRI) 0.38
    X Position (km) -528.569 -528.849
    Position Y (km) 4146.396 4148
    Position Z (km) -5428.868 -5431.078
    Velocity X (km/s) 2.318 -7.571
    Velocity Y (km/s) -5.657 0.143
    Velocity Z (km/s) -4.549 0.847

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5561 STARLINK-31820
    Semimajor Axis (a) 6843.694 km 6848.838 km
    Eccentricity (e) 0.000159 0.000121
    Inclination (i) 97.2846° 53.1586°
    RAAN 284.7928° 182.2529°
    Perigee Argument 94.4400° 73.1081°
    Mean Anomaly (M) 265.7024° 287.0052°
    Apogee 466.644 km 471.527 km
    Perigee 464.470 km 469.875 km
    Orbit Epoch 2026-10-18T09:47:24+0000 2026-10-18T17:25:42+0000

    STARLINK-5561 & STARLINK-31820 Collision Probability (Pc) Trend

    STARLINK-5561 & STARLINK-31820 Collision Probability (Pc) TrendNot Available

    STARLINK-5561 & STARLINK-31820 Miss Distance (Miss Distance) Trend

    STARLINK-5561 & STARLINK-31820 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5561Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31820Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5561Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31820Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5561

    No nearby objects data