🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 235.3

Radius: 9.6

Gravity: 2.55 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 0.57 AU - 0.89 AU

Year: 438 Days

Day: 14.8 Hours

Environment

Temp: -154 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 83,398,994 km

• M1: 119,529 km (0.118 R)
• M2: 576,251 km (0.085 R)
• M3: 1,053,319 km (0.109 R)
• M4: 1,394,252 km (0.08 R)
• M5: 1,864,289 km (0.105 R)
• M6: 3,204,985 km (0.035 R)
• M7: 3,584,664 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 48.9

Radius: 14.2

Gravity: 0.24 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 0.73 AU - 0.93 AU

Year: 532 Days

Day: 14.6 Hours

Environment

Temp: -168 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 83,398,994 km

• M1: 176,974 km (0.099 R)
• M2: 664,514 km (0.059 R)
• M3: 1,115,551 km (0.115 R)
• M4: 1,846,337 km (0.049 R)
• M5: 2,763,821 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 688.7

Radius: 9.1

Gravity: 8.32 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 1.65 AU - 1.75 AU

Year: 1558 Days

Day: 8.5 Hours

Environment

Temp: -197 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 83,398,994 km

• M1: 113,246 km (0.084 R)
• M2: 456,573 km (0.08 R)
• M3: 800,498 km (0.09 R)
• M4: 1,344,885 km (0.048 R)
• M5: 1,910,365 km (0.047 R)
• M6: 2,370,229 km (0.052 R)
• M7: 2,721,185 km (0.053 R)
• M8: 3,258,840 km (0.084 R)
• M9: 3,594,388 km (0.049 R)
• M10: 3,882,962 km (0.109 R)
• M11: 4,526,383 km (0.066 R)
• M12: 5,153,946 km (0.104 R)
• M13: 5,746,952 km (0.072 R)
• M14: 6,143,087 km (0.078 R)
• M15: 6,784,263 km (0.085 R)
• M16: 7,227,073 km (0.11 R)
• M17: 7,716,857 km (0.055 R)
• M18: 9,163,019 km (0.118 R)
• M19: 11,098,816 km (0.074 R)
• M20: 11,640,809 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 904.4

Radius: 11.6

Gravity: 6.72 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 2.16 AU - 3.06 AU

Year: 2964 Days

Day: 11.4 Hours

Environment

Temp: -203 °C

Axial Tilt: 49.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 83,398,994 km

• M1: 146,756 km (0.106 R)
• M2: 591,510 km (0.074 R)
• M3: 964,009 km (0.117 R)
• M4: 1,780,813 km (0.037 R)
• M5: 2,540,920 km (0.09 R)
• M6: 3,171,924 km (0.098 R)
• M7: 3,884,309 km (0.108 R)
• M8: 5,548,136 km (0.075 R)
• M9: 5,925,721 km (0.048 R)
• M10: 8,924,261 km (0.094 R)
• M11: 11,084,305 km (0.083 R)
• M12: 12,083,618 km (0.084 R)
• M13: 12,953,530 km (0.098 R)
• M14: 13,963,016 km (0.081 R)
• M15: 17,766,692 km (0.119 R)
• M16: 20,956,119 km (0.092 R)
• M17: 23,167,474 km (0.12 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 531.3

Radius: 6.4

Gravity: 12.97 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 7.19 AU - 9.33 AU

Year: 16687 Days

Day: 20.1 Hours

Environment

Temp: -229 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 83,398,994 km

• M1: 90,507 km (0.094 R)
• M2: 411,245 km (0.115 R)
• M3: 729,589 km (0.115 R)
• M4: 1,231,190 km (0.054 R)
• M5: 1,818,063 km (0.095 R)
• M6: 2,243,220 km (0.102 R)
• M7: 3,290,854 km (0.059 R)
• M8: 3,666,195 km (0.091 R)
• M9: 5,137,939 km (0.083 R)
• M10: 5,459,275 km (0.072 R)
• M11: 6,221,327 km (0.113 R)
• M12: 7,860,919 km (0.09 R)
• M13: 10,487,409 km (0.082 R)
• M14: 17,950,548 km (0.071 R)
• M15: 18,441,678 km (0.117 R)
• M16: 18,690,459 km (0.112 R)
• M17: 24,052,794 km (0.034 R)
• M18: 26,499,318 km (0.051 R)
• M19: 31,406,577 km (0.102 R)
• M20: 34,448,051 km (0.034 R)
• M21: 35,078,906 km (0.116 R)
• M22: 41,391,786 km (0.105 R)
• M23: 54,826,273 km (0.106 R)
• M24: 61,219,039 km (0.117 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 750.3

Radius: 3

Gravity: 83.37 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 8.33 AU - 11.49 AU

Year: 21929 Days

Day: 23.3 Hours

Environment

Temp: -245 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 83,398,994 km

• M1: 37,549 km (0.055 R)
• M2: 157,527 km (0.093 R)
• M3: 281,094 km (0.05 R)
• M4: 439,668 km (0.077 R)
• M5: 949,348 km (0.092 R)
• M6: 2,618,112 km (0.096 R)
• M7: 2,794,638 km (0.052 R)
• M8: 3,005,870 km (0.045 R)
• M9: 3,342,764 km (0.105 R)
• M10: 6,527,404 km (0.11 R)
• M11: 11,095,375 km (0.077 R)
• M12: 12,031,259 km (0.107 R)
• M13: 14,365,435 km (0.099 R)
• M14: 15,232,803 km (0.112 R)
• M15: 17,420,522 km (0.077 R)
• M16: 19,239,333 km (0.077 R)
• M17: 19,333,430 km (0.113 R)
• M18: 20,097,576 km (0.062 R)
• M19: 20,389,292 km (0.098 R)
• M20: 23,355,818 km (0.101 R)
• M21: 27,661,245 km (0.047 R)
• M22: 37,651,540 km (0.118 R)
• M23: 39,901,791 km (0.088 R)
• M24: 40,362,403 km (0.071 R)
• M25: 40,671,472 km (0.08 R)
• M26: 41,765,332 km (0.054 R)
• M27: 42,240,156 km (0.056 R)
• M28: 43,361,990 km (0.095 R)
• M29: 43,848,632 km (0.072 R)
• M30: 44,175,204 km (0.087 R)
• M31: 51,957,884 km (0.115 R)
• M32: 52,140,543 km (0.084 R)
• M33: 52,690,913 km (0.106 R)
• M34: 55,501,109 km (0.072 R)
• M35: 55,691,847 km (0.11 R)
• M36: 59,600,689 km (0.076 R)
• M37: 60,001,312 km (0.102 R)
• M38: 71,509,577 km (0.114 R)
• M39: 76,119,286 km (0.119 R)
• M40: 76,354,753 km (0.112 R)
• M41: 81,414,303 km (0.113 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 211 - 13,444 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit