Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    5.401538E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T20:42:03+0800
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    1 Object 1

    AOE ID 49398
    NORAD ID 49398
    Object Type UNKNOWN
    Country
    JP JP
    ← VS →

    2 Object 2

    AOE ID 59770
    NORAD ID 59770
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter OBJECT D STARLINK-31829
    Time of Closest Approach 2026-10-21T00:39:42+0000
    Collision Probability (Pc) 5.401538E-6
    Conjunction Distance (km) 1.5 km
    Relative Speed (km/s) 10.771 km/s
    Conjunction Risk Parameters R (Radial): -1.399 | I (In-track): -0.383 | C (Cross-track): -0.378
    Collision Risk Index (CRI) 0.5
    X Position (km) -4036.233 -4034.982
    Position Y (km) 1147.869 1147.815
    Position Z (km) 5393.957 5393.131
    Velocity X (km/s) -5.248 -3.28
    Velocity Y (km/s) 3.138 -6.827
    Velocity Z (km/s) -4.581 -0.998

    Orbital Parameters 国际轨道数据源

    Parameter OBJECT D STARLINK-31829
    Semimajor Axis (a) 6845.522 km 6840.881 km
    Eccentricity (e) 0.001007 0.000186
    Inclination (i) 97.3066° 53.1584°
    RAAN 333.1902° 63.0227°
    Perigee Argument 116.6436° 89.9987°
    Mean Anomaly (M) 243.5840° 270.1229°
    Apogee 474.282 km 464.020 km
    Perigee 460.488 km 461.468 km
    Orbit Epoch 2026-10-19T13:38:28+0000 2026-10-20T02:20:42+0000

    OBJECT D & STARLINK-31829 Collision Probability (Pc) Trend

    OBJECT D & STARLINK-31829 Collision Probability (Pc) TrendNot Available

    OBJECT D & STARLINK-31829 Miss Distance (Miss Distance) Trend

    OBJECT D & STARLINK-31829 Miss Distance (Miss Distance) TrendNot Available

    OBJECT DMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31829Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    OBJECT DCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31829Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with OBJECT D

    No nearby objects data