Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.184823E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-23T10:00:18+0800
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    1 Object 1

    AOE ID 13648
    NORAD ID 13648
    Object Type PAYLOAD
    Country
    CIS CIS
    ← VS →

    2 Object 2

    AOE ID 43254
    NORAD ID 43254
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter COSMOS 1420 IRIDIUM 146
    Time of Closest Approach 2026-10-24T23:57:36+0000
    Collision Probability (Pc) 2.184823E-6
    Conjunction Distance (km) 1.926 km
    Relative Speed (km/s) 8.27 km/s
    Conjunction Risk Parameters R (Radial): -0.212 | I (In-track): -1.594 | C (Cross-track): -1.058
    Collision Risk Index (CRI) 0.42
    X Position (km) -1450.464 -1450.474
    Position Y (km) -1384.319 -1382.4
    Position Z (km) -6878.555 -6878.717
    Velocity X (km/s) 4.21 -3.889
    Velocity Y (km/s) -6.133 -6.02
    Velocity Z (km/s) 0.361 2.031

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 1420 IRIDIUM 146
    Semimajor Axis (a) 7153.794 km 7155.804 km
    Eccentricity (e) 0.001925 0.000219
    Inclination (i) 73.9927° 86.3966°
    RAAN 308.2480° 237.0149°
    Perigee Argument 25.2489° 86.5983°
    Mean Anomaly (M) 334.9599° 273.5463°
    Apogee 789.426 km 779.235 km
    Perigee 761.888 km 776.099 km
    Orbit Epoch 2026-10-22T12:07:29+0000 2026-10-22T20:23:51+0000

    COSMOS 1420 & IRIDIUM 146 Collision Probability (Pc) Trend

    COSMOS 1420 & IRIDIUM 146 Collision Probability (Pc) TrendNot Available

    COSMOS 1420 & IRIDIUM 146 Miss Distance (Miss Distance) Trend

    COSMOS 1420 & IRIDIUM 146 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 1420Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    IRIDIUM 146Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 1420Collision Probability Trend

    Object 1 Probability TrendNot Available

    IRIDIUM 146Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 1420

    No nearby objects data