Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.429516E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-26T10:31:09+0800
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    1 Object 1

    AOE ID 11080
    NORAD ID 11080
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 56163
    NORAD ID 56163
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter NIMBUS 7 CHECKMATE 5
    Time of Closest Approach 2026-09-27T16:33:52+0000
    Collision Probability (Pc) 1.429516E-6
    Conjunction Distance (km) 2.843 km
    Relative Speed (km/s) 14.72 km/s
    Conjunction Risk Parameters R (Radial): 0.018 | I (In-track): -0.065 | C (Cross-track): 2.842
    Collision Risk Index (CRI) 0.38
    X Position (km) 682.883 684.1
    Position Y (km) -1611.44 -1608.915
    Position Z (km) -7123.163 -7123.636
    Velocity X (km/s) -6.691 6.556
    Velocity Y (km/s) 2.796 -3.071
    Velocity Z (km/s) -1.268 1.328

    Orbital Parameters 国际轨道数据源

    Parameter NIMBUS 7 CHECKMATE 5
    Semimajor Axis (a) 7326.023 km 7324.353 km
    Eccentricity (e) 0.000908 0.000721
    Inclination (i) 99.4515° 81.0037°
    RAAN 153.4896° 335.2988°
    Perigee Argument 10.6019° 56.3142°
    Mean Anomaly (M) 349.5325° 303.8700°
    Apogee 954.538 km 951.495 km
    Perigee 941.234 km 940.937 km
    Orbit Epoch 2026-09-25T13:00:57+0000 2026-09-25T12:56:03+0000

    NIMBUS 7 & CHECKMATE 5 Collision Probability (Pc) Trend

    NIMBUS 7 & CHECKMATE 5 Collision Probability (Pc) TrendNot Available

    NIMBUS 7 & CHECKMATE 5 Miss Distance (Miss Distance) Trend

    NIMBUS 7 & CHECKMATE 5 Miss Distance (Miss Distance) TrendNot Available

    NIMBUS 7Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    CHECKMATE 5Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    NIMBUS 7Collision Probability Trend

    Object 1 Probability TrendNot Available

    CHECKMATE 5Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with NIMBUS 7

    No nearby objects data