Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.405084E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-25T23:05:20+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) 1.405084E-6
    Conjunction Distance (km) 2.88 km
    Relative Speed (km/s) 14.72 km/s
    Conjunction Risk Parameters R (Radial): -0.004 | I (In-track): 0.076 | C (Cross-track): 2.879
    Collision Risk Index (CRI) 0.38
    X Position (km) 682.875 684.089
    Position Y (km) -1611.456 -1608.887
    Position Z (km) -7123.171 -7123.639
    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 7324.354 km
    Eccentricity (e) 0.000910 0.000723
    Inclination (i) 99.4516° 81.0038°
    RAAN 153.0532° 336.1302°
    Perigee Argument 11.8091° 58.4103°
    Mean Anomaly (M) 348.3276° 301.7758°
    Apogee 954.551 km 951.517 km
    Perigee 941.221 km 940.917 km
    Orbit Epoch 2026-09-25T02:36:35+0000 2026-09-24T16:07:43+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