Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.912788E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T23:01:40+0800
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    1 Object 1

    AOE ID 53416
    NORAD ID 53416
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 65630
    NORAD ID 65630
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4480 STARLINK-34877
    Time of Closest Approach 2026-10-29T17:11:26+0000
    Collision Probability (Pc) 2.912788E-6
    Conjunction Distance (km) 1.89 km
    Relative Speed (km/s) 12.042 km/s
    Conjunction Risk Parameters R (Radial): 0.963 | I (In-track): 1.006 | C (Cross-track): -1.278
    Collision Risk Index (CRI) 0.44
    X Position (km) -3771.067 -3772.939
    Position Y (km) 5498.632 5498.487
    Position Z (km) -1530.283 -1530.492
    Velocity X (km/s) -4.63 -3.111
    Velocity Y (km/s) -1.55 -3.765
    Velocity Z (km/s) 5.869 -5.868

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4480 STARLINK-34877
    Semimajor Axis (a) 6837.937 km 6840.611 km
    Eccentricity (e) 0.000132 0.000319
    Inclination (i) 53.1597° 53.1557°
    RAAN 143.1779° 307.2039°
    Perigee Argument 101.9739° 256.6762°
    Mean Anomaly (M) 258.1412° 103.3885°
    Apogee 460.704 km 464.657 km
    Perigee 458.896 km 460.291 km
    Orbit Epoch 2026-10-27T19:57:20+0000 2026-10-27T00:15:07+0000

    STARLINK-4480 & STARLINK-34877 Collision Probability (Pc) Trend

    STARLINK-4480 & STARLINK-34877 Collision Probability (Pc) TrendNot Available

    STARLINK-4480 & STARLINK-34877 Miss Distance (Miss Distance) Trend

    STARLINK-4480 & STARLINK-34877 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4480Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34877Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4480Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34877Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4480

    No nearby objects data