Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    8.963957E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-30T21:15:19+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 40143
    NORAD ID 40143
    Object Type PAYLOAD
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 66510
    NORAD ID 66510
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter YAOGAN 21 STARLINK-35600
    Time of Closest Approach 2026-10-31T18:32:12+0000
    Collision Probability (Pc) 8.963957E-6
    Conjunction Distance (km) 1.336 km
    Relative Speed (km/s) 12.817 km/s
    Conjunction Risk Parameters R (Radial): -0.27 | I (In-track): -0.715 | C (Cross-track): 1.095
    Collision Risk Index (CRI) 0.54
    X Position (km) 5031.224 5030.224
    Position Y (km) -1313.582 -1314.316
    Position Z (km) -4478.5 -4478.995
    Velocity X (km/s) 4.427 0.607
    Velocity Y (km/s) -2.446 7.446
    Velocity Z (km/s) 5.698 -1.5

    Orbital Parameters 国际轨道数据源

    Parameter YAOGAN 21 STARLINK-35600
    Semimajor Axis (a) 6860.514 km 6861.257 km
    Eccentricity (e) 0.000709 0.000438
    Inclination (i) 97.1331° 42.9994°
    RAAN 337.4905° 109.1055°
    Perigee Argument 348.4536° 286.3913°
    Mean Anomaly (M) 11.6541° 73.6457°
    Apogee 487.243 km 486.128 km
    Perigee 477.511 km 480.112 km
    Orbit Epoch 2026-10-30T00:16:30+0000 2026-10-29T18:21:17+0000

    YAOGAN 21 & STARLINK-35600 Collision Probability (Pc) Trend

    YAOGAN 21 & STARLINK-35600 Collision Probability (Pc) TrendNot Available

    YAOGAN 21 & STARLINK-35600 Miss Distance (Miss Distance) Trend

    YAOGAN 21 & STARLINK-35600 Miss Distance (Miss Distance) TrendNot Available

    YAOGAN 21Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35600Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    YAOGAN 21Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35600Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with YAOGAN 21

    No nearby objects data