Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    3.313881E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T21:59:18+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 33446
    NORAD ID 33446
    Object Type PAYLOAD
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 67138
    NORAD ID 67138
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter YAOGAN 4 KUIPER-00183
    Time of Closest Approach 2026-09-14T04:53:27+0000
    Collision Probability (Pc) 3.313881E-6
    Conjunction Distance (km) 1.804 km
    Relative Speed (km/s) 12.047 km/s
    Conjunction Risk Parameters R (Radial): -1.678 | I (In-track): -0.399 | C (Cross-track): 0.525
    Collision Risk Index (CRI) 0.45
    X Position (km) -4068.639 -4067.439
    Position Y (km) -1503.121 -1502.228
    Position Z (km) -5512.4 -5511.393
    Velocity X (km/s) -5.99 2.931
    Velocity Y (km/s) -0.422 -6.935
    Velocity Z (km/s) 4.537 -0.273

    Orbital Parameters 国际轨道数据源

    Parameter YAOGAN 4 KUIPER-00183
    Semimajor Axis (a) 6996.949 km 7007.691 km
    Eccentricity (e) 0.001494 0.000034
    Inclination (i) 97.9322° 51.9026°
    RAAN 187.1997° 307.3006°
    Perigee Argument 145.1176° 82.4950°
    Mean Anomaly (M) 215.1020° 277.6050°
    Apogee 629.267 km 629.789 km
    Perigee 608.357 km 629.319 km
    Orbit Epoch 2026-09-11T07:30:45+0000 2026-09-11T07:37:04+0000

    YAOGAN 4 & KUIPER-00183 Collision Probability (Pc) Trend

    YAOGAN 4 & KUIPER-00183 Collision Probability (Pc) TrendNot Available

    YAOGAN 4 & KUIPER-00183 Miss Distance (Miss Distance) Trend

    YAOGAN 4 & KUIPER-00183 Miss Distance (Miss Distance) TrendNot Available

    YAOGAN 4Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    KUIPER-00183Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    YAOGAN 4Collision Probability Trend

    Object 1 Probability TrendNot Available

    KUIPER-00183Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with YAOGAN 4

    No nearby objects data