Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.407944E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-31T13:16:07+0800
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    1 Object 1

    AOE ID 55663
    NORAD ID 55663
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 64549
    NORAD ID 64549
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-5473 UND ROADS 2
    Time of Closest Approach 2026-10-31T21:53:08+0000
    Collision Probability (Pc) 1.407944E-6
    Conjunction Distance (km) 2.818 km
    Relative Speed (km/s) 14.037 km/s
    Conjunction Risk Parameters R (Radial): 0.411 | I (In-track): 1.088 | C (Cross-track): -2.566
    Collision Risk Index (CRI) 0.38
    X Position (km) 1907.636 1910.196
    Position Y (km) 1716.074 1715.649
    Position Z (km) 6362.932 6361.834
    Velocity X (km/s) -2.543 -3.154
    Velocity Y (km/s) 7.09 -6.404
    Velocity Z (km/s) -1.148 2.669

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5473 UND ROADS 2
    Semimajor Axis (a) 6866.909 km 6868.068 km
    Eccentricity (e) 0.000334 0.000169
    Inclination (i) 69.9999° 97.4917°
    RAAN 289.3922° 59.3048°
    Perigee Argument 257.8358° 46.3069°
    Mean Anomaly (M) 38.7194° 313.8308°
    Apogee 491.063 km 491.089 km
    Perigee 486.481 km 488.773 km
    Orbit Epoch 2026-10-30T20:00:03+0000 2026-10-30T06:13:17+0000

    STARLINK-5473 & UND ROADS 2 Collision Probability (Pc) Trend

    STARLINK-5473 & UND ROADS 2 Collision Probability (Pc) TrendNot Available

    STARLINK-5473 & UND ROADS 2 Miss Distance (Miss Distance) Trend

    STARLINK-5473 & UND ROADS 2 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5473Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    UND ROADS 2Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5473Collision Probability Trend

    Object 1 Probability TrendNot Available

    UND ROADS 2Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5473

    No nearby objects data