Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    7.741944E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-19T22:41:44+0800
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    1 Object 1

    AOE ID 3890
    NORAD ID 3890
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 57288
    NORAD ID 57288
    Object Type UNKNOWN
    Country
    CN CN

    Conjunction Constraints

    Parameter NIMBUS 3 OBJECT A
    Time of Closest Approach 2026-10-20T21:04:46+0000
    Collision Probability (Pc) 7.741944E-6
    Conjunction Distance (km) 1.423 km
    Relative Speed (km/s) 14.101 km/s
    Conjunction Risk Parameters R (Radial): -1.085 | I (In-track): -0.227 | C (Cross-track): 0.89
    Collision Risk Index (CRI) 0.53
    X Position (km) 1113.993 1114.21
    Position Y (km) -1463.509 -1462.468
    Position Z (km) -7268.201 -7267.257
    Velocity X (km/s) -7.084 5.588
    Velocity Y (km/s) 1.067 -4.343
    Velocity Z (km/s) -1.274 1.718

    Orbital Parameters 国际轨道数据源

    Parameter NIMBUS 3 OBJECT A
    Semimajor Axis (a) 7477.463 km 7489.097 km
    Eccentricity (e) 0.003981 0.001719
    Inclination (i) 99.6821° 86.5014°
    RAAN 167.9673° 321.8331°
    Perigee Argument 19.1630° 199.3111°
    Mean Anomaly (M) 146.9837° 160.7382°
    Apogee 1129.093 km 1123.834 km
    Perigee 1069.559 km 1098.086 km
    Orbit Epoch 2026-10-19T01:41:33+0000 2026-10-19T07:48:50+0000

    NIMBUS 3 & OBJECT A Collision Probability (Pc) Trend

    NIMBUS 3 & OBJECT A Collision Probability (Pc) TrendNot Available

    NIMBUS 3 & OBJECT A Miss Distance (Miss Distance) Trend

    NIMBUS 3 & OBJECT A Miss Distance (Miss Distance) TrendNot Available

    NIMBUS 3Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    OBJECT AMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    NIMBUS 3Collision Probability Trend

    Object 1 Probability TrendNot Available

    OBJECT ACollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with NIMBUS 3

    No nearby objects data