Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    3.812767E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-29T16:41:55+0800
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    1 Object 1

    AOE ID 53868
    NORAD ID 53868
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 60600
    NORAD ID 60600
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4789 STARLINK-31923
    Time of Closest Approach 2026-10-31T03:05:58+0000
    Collision Probability (Pc) 3.812767E-6
    Conjunction Distance (km) 1.284 km
    Relative Speed (km/s) 2.926 km/s
    Conjunction Risk Parameters R (Radial): -0.94 | I (In-track): 0.857 | C (Cross-track): 0.168
    Collision Risk Index (CRI) 0.47
    X Position (km) 4139.309 4138.623
    Position Y (km) 554.441 555.229
    Position Z (km) 5408.461 5407.716
    Velocity X (km/s) 0.153 -2.145
    Velocity Y (km/s) 7.585 7.278
    Velocity Z (km/s) -0.892 0.892

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4789 STARLINK-31923
    Semimajor Axis (a) 6840.827 km 6840.940 km
    Eccentricity (e) 0.000143 0.000140
    Inclination (i) 53.1576° 53.1573°
    RAAN 275.7000° 304.1575°
    Perigee Argument 87.2292° 78.8604°
    Mean Anomaly (M) 341.3090° 130.3632°
    Apogee 463.672 km 463.758 km
    Perigee 461.708 km 461.848 km
    Orbit Epoch 2026-10-28T14:00:02+0000 2026-10-28T10:00:02+0000

    STARLINK-4789 & STARLINK-31923 Collision Probability (Pc) Trend

    STARLINK-4789 & STARLINK-31923 Collision Probability (Pc) TrendNot Available

    STARLINK-4789 & STARLINK-31923 Miss Distance (Miss Distance) Trend

    STARLINK-4789 & STARLINK-31923 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4789Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31923Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4789Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31923Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4789

    No nearby objects data