Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.341688E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T09:03:58+0800
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    1 Object 1

    AOE ID 48377
    NORAD ID 48377
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 52831
    NORAD ID 52831
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-2499 STARLINK-4089
    Time of Closest Approach 2026-10-22T04:33:33+0000
    Collision Probability (Pc) 1.341688E-6
    Conjunction Distance (km) 2.26 km
    Relative Speed (km/s) 6.79 km/s
    Conjunction Risk Parameters R (Radial): 0.105 | I (In-track): -2.022 | C (Cross-track): 1.001
    Collision Risk Index (CRI) 0.38
    X Position (km) 3387.373 3385.898
    Position Y (km) -3100.657 -3102.366
    Position Z (km) -5088.408 -5088.49
    Velocity X (km/s) 6.465 2.751
    Velocity Y (km/s) 3.33 6.732
    Velocity Z (km/s) 2.276 -2.276

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-2499 STARLINK-4089
    Semimajor Axis (a) 6848.751 km 6848.872 km
    Eccentricity (e) 0.000154 0.000125
    Inclination (i) 53.1601° 53.1587°
    RAAN 27.3201° 92.7778°
    Perigee Argument 75.7866° 85.6403°
    Mean Anomaly (M) 284.3307° 274.4741°
    Apogee 471.670 km 471.595 km
    Perigee 469.558 km 469.875 km
    Orbit Epoch 2026-10-19T06:23:19+0000 2026-10-19T17:32:19+0000

    STARLINK-2499 & STARLINK-4089 Collision Probability (Pc) Trend

    STARLINK-2499 & STARLINK-4089 Collision Probability (Pc) TrendNot Available

    STARLINK-2499 & STARLINK-4089 Miss Distance (Miss Distance) Trend

    STARLINK-2499 & STARLINK-4089 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-2499Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4089Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-2499Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4089Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-2499

    No nearby objects data