Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    9.541268E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T13:22:58+0800
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    1 Object 1

    AOE ID 41520
    NORAD ID 41520
    Object Type DEBRIS
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 69903
    NORAD ID 69903
    Object Type PAYLOAD
    Country
    BG BG

    Conjunction Constraints

    Parameter NOAA 16 DEB BALKAN-3
    Time of Closest Approach 2026-10-20T15:33:32+0000
    Collision Probability (Pc) 9.541268E-6
    Conjunction Distance (km) 1.261 km
    Relative Speed (km/s) 10.55 km/s
    Conjunction Risk Parameters R (Radial): 1.218 | I (In-track): 0.241 | C (Cross-track): 0.221
    Collision Risk Index (CRI) 0.55
    X Position (km) 836.235 836.651
    Position Y (km) 1131.753 1131.767
    Position Z (km) 6817.403 6818.594
    Velocity X (km/s) 1.787 7.34
    Velocity Y (km/s) -7.277 1.437
    Velocity Z (km/s) 0.99 -1.138

    Orbital Parameters 国际轨道数据源

    Parameter NOAA 16 DEB BALKAN-3
    Semimajor Axis (a) 6957.487 km 6972.069 km
    Eccentricity (e) 0.001684 0.000403
    Inclination (i) 98.8589° 97.7472°
    RAAN 101.2415° 191.5849°
    Perigee Argument 279.5860° 131.7632°
    Mean Anomaly (M) 80.3455° 228.3932°
    Apogee 591.070 km 596.742 km
    Perigee 567.630 km 591.122 km
    Orbit Epoch 2026-10-19T10:17:52+0000 2026-10-19T23:00:52+0000

    NOAA 16 DEB & BALKAN-3 Collision Probability (Pc) Trend

    NOAA 16 DEB & BALKAN-3 Collision Probability (Pc) TrendNot Available

    NOAA 16 DEB & BALKAN-3 Miss Distance (Miss Distance) Trend

    NOAA 16 DEB & BALKAN-3 Miss Distance (Miss Distance) TrendNot Available

    NOAA 16 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    BALKAN-3Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    NOAA 16 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    BALKAN-3Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with NOAA 16 DEB

    No nearby objects data