Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.352339E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T20:45:21+0800
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    1 Object 1

    AOE ID 52907
    NORAD ID 52907
    Object Type PAYLOAD
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 58478
    NORAD ID 58478
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter YAOGAN-35 02A STARLINK-30990
    Time of Closest Approach 2026-10-21T20:27:10+0000
    Collision Probability (Pc) 1.352339E-6
    Conjunction Distance (km) 2.505 km
    Relative Speed (km/s) 9.572 km/s
    Conjunction Risk Parameters R (Radial): 0.931 | I (In-track): -1.816 | C (Cross-track): -1.452
    Collision Risk Index (CRI) 0.38
    X Position (km) -4016.452 -4018.881
    Position Y (km) -5541.356 -5540.754
    Position Z (km) 461.782 461.689
    Velocity X (km/s) 4.895 4.732
    Velocity Y (km/s) -3.92 -2.994
    Velocity Z (km/s) -4.347 5.178

    Orbital Parameters 国际轨道数据源

    Parameter YAOGAN-35 02A STARLINK-30990
    Semimajor Axis (a) 6867.260 km 6861.304 km
    Eccentricity (e) 0.000972 0.000119
    Inclination (i) 34.9921° 43.0017°
    RAAN 72.6078° 238.7666°
    Perigee Argument 131.0521° 273.6675°
    Mean Anomaly (M) 229.1036° 86.4040°
    Apogee 495.801 km 483.985 km
    Perigee 482.445 km 482.349 km
    Orbit Epoch 2026-10-19T19:00:36+0000 2026-10-20T06:45:55+0000

    YAOGAN-35 02A & STARLINK-30990 Collision Probability (Pc) Trend

    YAOGAN-35 02A & STARLINK-30990 Collision Probability (Pc) TrendNot Available

    YAOGAN-35 02A & STARLINK-30990 Miss Distance (Miss Distance) Trend

    YAOGAN-35 02A & STARLINK-30990 Miss Distance (Miss Distance) TrendNot Available

    YAOGAN-35 02AMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-30990Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    YAOGAN-35 02ACollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-30990Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with YAOGAN-35 02A

    No nearby objects data