Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    4.730158E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T08:00:54+0800
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    1 Object 1

    AOE ID 58484
    NORAD ID 58484
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 66485
    NORAD ID 66485
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-30991 STARLINK-34774
    Time of Closest Approach 2026-10-22T19:22:59+0000
    Collision Probability (Pc) 4.730158E-6
    Conjunction Distance (km) 1.393 km
    Relative Speed (km/s) 6.18 km/s
    Conjunction Risk Parameters R (Radial): 0.094 | I (In-track): 1.273 | C (Cross-track): -0.559
    Collision Risk Index (CRI) 0.48
    X Position (km) 400.853 402.244
    Position Y (km) -5470.696 -5470.667
    Position Z (km) 4113.091 4113.15
    Velocity X (km/s) 6.819 7.09
    Velocity Y (km/s) 2.361 -1.34
    Velocity Z (km/s) 2.47 -2.47

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-30991 STARLINK-34774
    Semimajor Axis (a) 6861.193 km 6861.197 km
    Eccentricity (e) 0.000159 0.000207
    Inclination (i) 43.0023° 43.0023°
    RAAN 235.4597° 163.4144°
    Perigee Argument 263.6302° 268.7344°
    Mean Anomaly (M) 96.4369° 91.3272°
    Apogee 484.145 km 484.477 km
    Perigee 481.967 km 481.643 km
    Orbit Epoch 2026-10-20T04:20:39+0000 2026-10-20T00:57:42+0000

    STARLINK-30991 & STARLINK-34774 Collision Probability (Pc) Trend

    STARLINK-30991 & STARLINK-34774 Collision Probability (Pc) TrendNot Available

    STARLINK-30991 & STARLINK-34774 Miss Distance (Miss Distance) Trend

    STARLINK-30991 & STARLINK-34774 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-30991Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34774Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-30991Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34774Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-30991

    No nearby objects data