Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    2.726001E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-16T06:10:27+0800
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    1 Object 1

    AOE ID 31490
    NORAD ID 31490
    Object Type PAYLOAD
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 68932
    NORAD ID 68932
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter YAOGAN 2 KUIPER-00420
    Time of Closest Approach 2026-09-16T23:26:28+0000
    Collision Probability (Pc) 2.726001E-6
    Conjunction Distance (km) 1.979 km
    Relative Speed (km/s) 13.143 km/s
    Conjunction Risk Parameters R (Radial): 1.892 | I (In-track): 0.291 | C (Cross-track): 0.505
    Collision Risk Index (CRI) 0.44
    X Position (km) 1847.378 1848.147
    Position Y (km) -4180.289 -4180.971
    Position Z (km) -5316.231 -5317.922
    Velocity X (km/s) -3.772 7.268
    Velocity Y (km/s) 4.433 1.204
    Velocity Z (km/s) -4.78 1.58

    Orbital Parameters 国际轨道数据源

    Parameter YAOGAN 2 KUIPER-00420
    Semimajor Axis (a) 6998.693 km 7007.677 km
    Eccentricity (e) 0.002022 0.000050
    Inclination (i) 98.2508° 51.9017°
    RAAN 122.1226° 9.8277°
    Perigee Argument 345.7884° 106.7078°
    Mean Anomaly (M) 14.2757° 253.3939°
    Apogee 634.708 km 629.889 km
    Perigee 606.404 km 629.191 km
    Orbit Epoch 2026-09-15T14:00:54+0000 2026-09-14T16:40:23+0000

    YAOGAN 2 & KUIPER-00420 Collision Probability (Pc) Trend

    YAOGAN 2 & KUIPER-00420 Collision Probability (Pc) TrendNot Available

    YAOGAN 2 & KUIPER-00420 Miss Distance (Miss Distance) Trend

    YAOGAN 2 & KUIPER-00420 Miss Distance (Miss Distance) TrendNot Available

    YAOGAN 2Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    KUIPER-00420Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    YAOGAN 2Collision Probability Trend

    Object 1 Probability TrendNot Available

    KUIPER-00420Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with YAOGAN 2

    No nearby objects data