Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.291468E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-22T10:49:28+0800
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    1 Object 1

    Name HJ-1B
    AOE ID 33321
    NORAD ID 33321
    Object Type PAYLOAD
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 65786
    NORAD ID 65786
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter HJ-1B KUIPER-00173
    Time of Closest Approach 2026-10-22T18:13:54+0000
    Collision Probability (Pc) 2.291468E-6
    Conjunction Distance (km) 2.181 km
    Relative Speed (km/s) 14.518 km/s
    Conjunction Risk Parameters R (Radial): -0.122 | I (In-track): -0.6 | C (Cross-track): -2.092
    Collision Risk Index (CRI) 0.42
    X Position (km) 901.295 903.262
    Position Y (km) -6734.642 -6734.285
    Position Z (km) 1706.324 1707.195
    Velocity X (km/s) -1.273 4.947
    Velocity Y (km/s) 1.7 -0.776
    Velocity Z (km/s) 7.235 -5.646

    Orbital Parameters 国际轨道数据源

    Parameter HJ-1B KUIPER-00173
    Semimajor Axis (a) 6996.406 km 7007.621 km
    Eccentricity (e) 0.003730 0.000119
    Inclination (i) 97.6669° 51.8987°
    RAAN 278.7168° 114.5213°
    Perigee Argument 125.8161° 109.3963°
    Mean Anomaly (M) 234.6529° 250.7128°
    Apogee 644.365 km 630.321 km
    Perigee 592.173 km 628.647 km
    Orbit Epoch 2026-10-21T21:07:25+0000 2026-10-21T12:19:53+0000

    HJ-1B & KUIPER-00173 Collision Probability (Pc) Trend

    HJ-1B & KUIPER-00173 Collision Probability (Pc) TrendNot Available

    HJ-1B & KUIPER-00173 Miss Distance (Miss Distance) Trend

    HJ-1B & KUIPER-00173 Miss Distance (Miss Distance) TrendNot Available

    HJ-1BMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    KUIPER-00173Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    HJ-1BCollision Probability Trend

    Object 1 Probability TrendNot Available

    KUIPER-00173Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with HJ-1B

    No nearby objects data