Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.446664E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T23:17:45+0800
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    1 Object 1

    AOE ID 53861
    NORAD ID 53861
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 59771
    NORAD ID 59771
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4781 STARLINK-31786
    Time of Closest Approach 2026-10-29T17:14:43+0000
    Collision Probability (Pc) 1.446664E-6
    Conjunction Distance (km) 2.291 km
    Relative Speed (km/s) 8.084 km/s
    Conjunction Risk Parameters R (Radial): -1.985 | I (In-track): 0.972 | C (Cross-track): -0.599
    Collision Risk Index (CRI) 0.38
    X Position (km) -1923.996 -1922.391
    Position Y (km) -4444.507 -4443.676
    Position Z (km) -4841.64 -4840.231
    Velocity X (km/s) 4.799 7.069
    Velocity Y (km/s) -5.189 0.054
    Velocity Z (km/s) 2.858 -2.86

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4781 STARLINK-31786
    Semimajor Axis (a) 6843.831 km 6840.855 km
    Eccentricity (e) 0.000106 0.000125
    Inclination (i) 53.1593° 53.1622°
    RAAN 303.5556° 28.3203°
    Perigee Argument 111.5487° 87.3790°
    Mean Anomaly (M) 313.0280° 272.7356°
    Apogee 466.417 km 463.577 km
    Perigee 464.971 km 461.859 km
    Orbit Epoch 2026-10-27T22:00:02+0000 2026-10-27T12:36:28+0000

    STARLINK-4781 & STARLINK-31786 Collision Probability (Pc) Trend

    STARLINK-4781 & STARLINK-31786 Collision Probability (Pc) TrendNot Available

    STARLINK-4781 & STARLINK-31786 Miss Distance (Miss Distance) Trend

    STARLINK-4781 & STARLINK-31786 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4781Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31786Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4781Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31786Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4781

    No nearby objects data