Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.064414E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T19:55:59+0800
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    1 Object 1

    AOE ID 47895
    NORAD ID 47895
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 51877
    NORAD ID 51877
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-2355 STARLINK-3556
    Time of Closest Approach 2026-10-29T15:41:54+0000
    Collision Probability (Pc) 1.064414E-6
    Conjunction Distance (km) 2.977 km
    Relative Speed (km/s) 9.72 km/s
    Conjunction Risk Parameters R (Radial): -2.44 | I (In-track): 1.321 | C (Cross-track): 1.08
    Collision Risk Index (CRI) 0.36
    X Position (km) 3966.204 3963.657
    Position Y (km) 3536.444 3536.458
    Position Z (km) 4302.909 4301.369
    Velocity X (km/s) -1.636 -6.21
    Velocity Y (km/s) 6.437 2.358
    Velocity Z (km/s) -3.771 3.772

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-2355 STARLINK-3556
    Semimajor Axis (a) 6843.652 km 6840.818 km
    Eccentricity (e) 0.000199 0.000122
    Inclination (i) 53.1582° 53.1625°
    RAAN 266.8269° 14.4598°
    Perigee Argument 83.4590° 90.6058°
    Mean Anomaly (M) 268.3680° 269.5085°
    Apogee 466.879 km 463.519 km
    Perigee 464.151 km 461.843 km
    Orbit Epoch 2026-10-28T00:00:03+0000 2026-10-27T11:53:11+0000

    STARLINK-2355 & STARLINK-3556 Collision Probability (Pc) Trend

    STARLINK-2355 & STARLINK-3556 Collision Probability (Pc) TrendNot Available

    STARLINK-2355 & STARLINK-3556 Miss Distance (Miss Distance) Trend

    STARLINK-2355 & STARLINK-3556 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-2355Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-3556Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-2355Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-3556Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-2355

    No nearby objects data