Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.378555E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T07:02:17+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 66757
    NORAD ID 66757
    Object Type PAYLOAD
    Country
    PL PL
    ← VS →

    2 Object 2

    Name HJS-10D
    AOE ID 69323
    NORAD ID 69323
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter PIAST-S2 HJS-10D
    Time of Closest Approach 2026-10-21T15:42:49+0000
    Collision Probability (Pc) 1.378555E-6
    Conjunction Distance (km) 2.929 km
    Relative Speed (km/s) 14.786 km/s
    Conjunction Risk Parameters R (Radial): 2.537 | I (In-track): -0.343 | C (Cross-track): -1.422
    Collision Risk Index (CRI) 0.38
    X Position (km) -6832.114 -6834.807
    Position Y (km) -727.523 -726.436
    Position Z (km) -391.26 -390.881
    Velocity X (km/s) 0.315 0.11
    Velocity Y (km/s) 1.022 -4.385
    Velocity Z (km/s) -7.537 6.223

    Orbital Parameters 国际轨道数据源

    Parameter PIAST-S2 HJS-10D
    Semimajor Axis (a) 6879.103 km 6886.122 km
    Eccentricity (e) 0.000108 0.000937
    Inclination (i) 97.4101° 55.0029°
    RAAN 4.0743° 199.2729°
    Perigee Argument 164.2704° 289.0798°
    Mean Anomaly (M) 195.8566° 70.9206°
    Apogee 501.709 km 514.438 km
    Perigee 500.223 km 501.532 km
    Orbit Epoch 2026-10-19T04:30:56+0000 2026-10-19T03:43:50+0000

    PIAST-S2 & HJS-10D Collision Probability (Pc) Trend

    PIAST-S2 & HJS-10D Collision Probability (Pc) TrendNot Available

    PIAST-S2 & HJS-10D Miss Distance (Miss Distance) Trend

    PIAST-S2 & HJS-10D Miss Distance (Miss Distance) TrendNot Available

    PIAST-S2Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    HJS-10DMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    PIAST-S2Collision Probability Trend

    Object 1 Probability TrendNot Available

    HJS-10DCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with PIAST-S2

    No nearby objects data