Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    5.479334E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-19T22:07:32+0800
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    1 Object 1

    AOE ID 48431
    NORAD ID 48431
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 66748
    NORAD ID 66748
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-2700 UMBRA-11
    Time of Closest Approach 2026-10-21T09:25:07+0000
    Collision Probability (Pc) 5.479334E-6
    Conjunction Distance (km) 1.596 km
    Relative Speed (km/s) 14.745 km/s
    Conjunction Risk Parameters R (Radial): -1.595 | I (In-track): 0.017 | C (Cross-track): -0.003
    Collision Risk Index (CRI) 0.5
    X Position (km) -6645.705 -6647.249
    Position Y (km) -1159.247 -1159.522
    Position Z (km) 1179.901 1180.191
    Velocity X (km/s) 1.834 -1.464
    Velocity Y (km/s) -4.395 0.758
    Velocity Z (km/s) 5.965 -7.451

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-2700 UMBRA-11
    Semimajor Axis (a) 6848.917 km 6849.550 km
    Eccentricity (e) 0.000107 0.000137
    Inclination (i) 53.1560° 97.4084°
    RAAN 197.5640° 6.1441°
    Perigee Argument 92.7737° 206.3452°
    Mean Anomaly (M) 267.3387° 153.7720°
    Apogee 471.515 km 472.351 km
    Perigee 470.045 km 470.475 km
    Orbit Epoch 2026-10-18T03:03:48+0000 2026-10-18T22:39:39+0000

    STARLINK-2700 & UMBRA-11 Collision Probability (Pc) Trend

    STARLINK-2700 & UMBRA-11 Collision Probability (Pc) TrendNot Available

    STARLINK-2700 & UMBRA-11 Miss Distance (Miss Distance) Trend

    STARLINK-2700 & UMBRA-11 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-2700Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    UMBRA-11Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-2700Collision Probability Trend

    Object 1 Probability TrendNot Available

    UMBRA-11Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-2700

    No nearby objects data