Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    3.29712E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-05T01:48:05+0800
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    1 Object 1

    AOE ID 53703
    NORAD ID 53703
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 61871
    NORAD ID 61871
    Object Type UNKNOWN
    Country
    CN CN

    Conjunction Constraints

    Parameter STARLINK-4731 OBJECT C
    Time of Closest Approach 2026-09-06T06:25:40+0000
    Collision Probability (Pc) 3.29712E-6
    Conjunction Distance (km) 1.891 km
    Relative Speed (km/s) 14.635 km/s
    Conjunction Risk Parameters R (Radial): 1.643 | I (In-track): 0.259 | C (Cross-track): -0.898
    Collision Risk Index (CRI) 0.45
    X Position (km) -4545.796 -4547.391
    Position Y (km) 4539.725 4540.11
    Position Z (km) -2449.364 -2450.303
    Velocity X (km/s) -4.92 2.635
    Velocity Y (km/s) -1.989 -1.146
    Velocity Z (km/s) 5.46 -7.046

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4731 OBJECT C
    Semimajor Axis (a) 6873.056 km 6865.460 km
    Eccentricity (e) 0.000179 0.001273
    Inclination (i) 53.1609° 97.4166°
    RAAN 160.9300° 315.9700°
    Perigee Argument 72.0087° 70.5462°
    Mean Anomaly (M) 346.5426° 289.7151°
    Apogee 496.150 km 496.065 km
    Perigee 493.688 km 478.581 km
    Orbit Epoch 2026-09-04T06:00:02+0000 2026-09-04T07:55:03+0000

    STARLINK-4731 & OBJECT C Collision Probability (Pc) Trend

    STARLINK-4731 & OBJECT C Collision Probability (Pc) TrendNot Available

    STARLINK-4731 & OBJECT C Miss Distance (Miss Distance) Trend

    STARLINK-4731 & OBJECT C Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4731Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    OBJECT CMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4731Collision Probability Trend

    Object 1 Probability TrendNot Available

    OBJECT CCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4731

    No nearby objects data