Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.313265E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-29T01:05:18+0800
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    1 Object 1

    AOE ID 53531
    NORAD ID 53531
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 69501
    NORAD ID 69501
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4487 STARLINK-37843
    Time of Closest Approach 2026-10-30T20:40:08+0000
    Collision Probability (Pc) 1.313265E-6
    Conjunction Distance (km) 2.859 km
    Relative Speed (km/s) 12.867 km/s
    Conjunction Risk Parameters R (Radial): -2.64 | I (In-track): 0.593 | C (Cross-track): -0.918
    Collision Risk Index (CRI) 0.37
    X Position (km) -3772.105 -3771.535
    Position Y (km) 1870.603 1869.447
    Position Z (km) 5391.022 5388.471
    Velocity X (km/s) -2.096 -4.582
    Velocity Y (km/s) -7.266 4.027
    Velocity Z (km/s) 1.052 -4.592

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4487 STARLINK-37843
    Semimajor Axis (a) 6848.935 km 6843.627 km
    Eccentricity (e) 0.000114 0.000155
    Inclination (i) 53.1580° 97.2845°
    RAAN 93.5997° 321.0348°
    Perigee Argument 73.3757° 105.8688°
    Mean Anomaly (M) 320.0250° 254.2726°
    Apogee 471.579 km 466.553 km
    Perigee 470.017 km 464.427 km
    Orbit Epoch 2026-10-27T22:00:02+0000 2026-10-27T15:22:42+0000

    STARLINK-4487 & STARLINK-37843 Collision Probability (Pc) Trend

    STARLINK-4487 & STARLINK-37843 Collision Probability (Pc) TrendNot Available

    STARLINK-4487 & STARLINK-37843 Miss Distance (Miss Distance) Trend

    STARLINK-4487 & STARLINK-37843 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4487Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37843Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4487Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37843Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4487

    No nearby objects data