🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.58 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 447.5

Radius: 14.7

Gravity: 2.07 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 0.99 AU - 1.31 AU

Year: 809 Days

Day: 6.2 Hours

Environment

Temp: -176 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 90,150,956 km

• M1: 182,809 km (0.031 R)
• M2: 687,552 km (0.051 R)
• M3: 1,672,803 km (0.112 R)
• M4: 2,137,155 km (0.08 R)
• M5: 3,054,041 km (0.094 R)
• M6: 4,000,097 km (0.081 R)
• M7: 4,558,247 km (0.107 R)
• M8: 6,988,614 km (0.047 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 732.9

Radius: 9.1

Gravity: 8.85 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 1.67 AU - 1.83 AU

Year: 1519 Days

Day: 11.4 Hours

Environment

Temp: -193 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 90,150,956 km

• M1: 113,395 km (0.038 R)
• M2: 472,131 km (0.087 R)
• M3: 848,968 km (0.12 R)
• M4: 1,408,464 km (0.063 R)
• M5: 2,162,288 km (0.106 R)
• M6: 2,813,936 km (0.118 R)
• M7: 3,239,542 km (0.092 R)
• M8: 4,640,526 km (0.085 R)
• M9: 5,109,216 km (0.077 R)
• M10: 5,475,731 km (0.059 R)
• M11: 5,976,136 km (0.067 R)
• M12: 6,407,875 km (0.108 R)
• M13: 6,783,366 km (0.077 R)
• M14: 7,147,188 km (0.054 R)
• M15: 7,717,156 km (0.119 R)
• M16: 8,405,456 km (0.082 R)
• M17: 9,970,249 km (0.049 R)
• M18: 10,305,049 km (0.098 R)
• M19: 10,786,455 km (0.106 R)
• M20: 11,720,395 km (0.111 R)
• M21: 12,785,382 km (0.111 R)
• M22: 13,584,534 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 860

Radius: 14.7

Gravity: 3.98 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 1.84 AU - 2.3 AU

Year: 1954 Days

Day: 9 Hours

Environment

Temp: -192 °C

Axial Tilt: 136.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 90,150,956 km

• M1: 182,809 km (0.095 R)
• M2: 824,733 km (0.095 R)
• M3: 1,542,952 km (0.099 R)
• M4: 2,112,023 km (0.111 R)
• M5: 2,619,160 km (0.034 R)
• M6: 3,323,167 km (0.056 R)
• M7: 4,308,568 km (0.103 R)
• M8: 5,434,143 km (0.106 R)
• M9: 6,747,911 km (0.062 R)
• M10: 7,538,386 km (0.09 R)
• M11: 8,773,915 km (0.058 R)
• M12: 9,406,265 km (0.073 R)
• M13: 9,962,321 km (0.053 R)
• M14: 10,577,168 km (0.085 R)
• M15: 11,217,297 km (0.107 R)
• M16: 11,843,215 km (0.034 R)
• M17: 13,250,931 km (0.053 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 18.8

Radius: 10.3

Gravity: 0.18 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 2.01 AU - 2.17 AU

Year: 1982 Days

Day: 11.6 Hours

Environment

Temp: -190 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 90,150,956 km

• M1: 128,056 km (0.05 R)
• M2: 801,246 km (0.032 R)
• M3: 3,258,690 km (0.069 R)
• M4: 3,652,881 km (0.081 R)
• M5: 3,978,705 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 831.5

Radius: 12

Gravity: 5.77 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 1.96 AU - 3.06 AU

Year: 2609 Days

Day: 9.9 Hours

Environment

Temp: -200 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 90,150,956 km

• M1: 150,944 km (0.103 R)
• M2: 594,502 km (0.109 R)
• M3: 1,304,643 km (0.054 R)
• M4: 1,797,119 km (0.106 R)
• M5: 2,557,974 km (0.057 R)
• M6: 2,980,289 km (0.051 R)
• M7: 4,693,633 km (0.1 R)
• M8: 7,350,192 km (0.083 R)
• M9: 11,535,342 km (0.059 R)
• M10: 12,259,097 km (0.102 R)
• M11: 12,698,914 km (0.039 R)
• M12: 13,797,561 km (0.027 R)
• M13: 16,659,817 km (0.099 R)
• M14: 17,751,583 km (0.09 R)
• M15: 19,956,805 km (0.111 R)
• M16: 20,875,485 km (0.053 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 938.3

Radius: 9.5

Gravity: 10.4 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 3.77 AU - 3.83 AU

Year: 4859 Days

Day: 8.9 Hours

Environment

Temp: -214 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 90,150,956 km

• M1: 118,182 km (0.095 R)
• M2: 522,246 km (0.081 R)
• M3: 822,489 km (0.094 R)
• M4: 1,350,719 km (0.11 R)
• M5: 1,874,910 km (0.069 R)
• M6: 2,328,491 km (0.107 R)
• M7: 3,125,698 km (0.075 R)
• M8: 3,521,983 km (0.108 R)
• M9: 5,309,378 km (0.104 R)
• M10: 5,753,235 km (0.051 R)
• M11: 6,614,769 km (0.115 R)
• M12: 6,954,805 km (0.109 R)
• M13: 8,315,996 km (0.111 R)
• M14: 8,997,714 km (0.117 R)
• M15: 9,978,776 km (0.106 R)
• M16: 10,381,494 km (0.091 R)
• M17: 12,001,639 km (0.114 R)
• M18: 12,508,776 km (0.117 R)
• M19: 13,189,296 km (0.098 R)
• M20: 13,565,685 km (0.087 R)
• M21: 14,911,467 km (0.1 R)
• M22: 16,529,368 km (0.107 R)
• M23: 18,327,385 km (0.076 R)
• M24: 20,110,591 km (0.12 R)
• M25: 21,856,548 km (0.095 R)
• M26: 22,613,065 km (0.026 R)
• M27: 23,075,172 km (0.051 R)
• M28: 24,742,740 km (0.056 R)
• M29: 25,151,292 km (0.095 R)
• M30: 27,002,864 km (0.119 R)
• M31: 27,785,860 km (0.119 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 450.2

Radius: 11.9

Gravity: 3.18 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 4.02 AU - 4.68 AU

Year: 5952 Days

Day: 9.4 Hours

Environment

Temp: -221 °C

Axial Tilt: 151.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 90,150,956 km

• M1: 149,897 km (0.098 R)
• M2: 663,616 km (0.099 R)
• M3: 1,231,340 km (0.053 R)
• M4: 1,670,559 km (0.104 R)
• M5: 2,214,796 km (0.072 R)
• M6: 2,839,368 km (0.094 R)
• M7: 4,691,240 km (0.107 R)
• M8: 5,496,076 km (0.107 R)
• M9: 6,873,125 km (0.093 R)
• M10: 8,972,132 km (0.076 R)
• M11: 9,997,177 km (0.079 R)
• M12: 11,098,816 km (0.088 R)
• M13: 11,655,469 km (0.074 R)
• M14: 12,328,510 km (0.041 R)
• M15: 13,542,347 km (0.076 R)
• M16: 14,232,293 km (0.115 R)
• M17: 15,797,834 km (0.072 R)
• M18: 17,351,857 km (0.107 R)
• M19: 18,874,614 km (0.119 R)
• M20: 20,005,873 km (0.1 R)
• M21: 21,822,739 km (0.054 R)
• M22: 23,293,436 km (0.119 R)
• M23: 25,223,398 km (0.097 R)
• M24: 26,105,427 km (0.079 R)
• M25: 28,272,202 km (0.103 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 390.8

Radius: 4.6

Gravity: 18.47 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 5.86 AU - 8.52 AU

Year: 12647 Days

Day: 18.1 Hours

Environment

Temp: -228 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 90,150,956 km

• M1: 71,209 km (0.118 R)
• M2: 236,963 km (0.103 R)
• M3: 499,657 km (0.052 R)
• M4: 818,151 km (0.1 R)
• M5: 1,931,009 km (0.103 R)
• M6: 2,486,466 km (0.106 R)
• M7: 3,328,403 km (0.107 R)
• M8: 3,522,132 km (0.112 R)
• M9: 3,672,478 km (0.109 R)
• M10: 3,932,479 km (0.055 R)
• M11: 5,289,482 km (0.06 R)
• M12: 5,792,280 km (0.097 R)
• M13: 7,009,707 km (0.046 R)
• M14: 10,858,561 km (0.092 R)
• M15: 11,017,434 km (0.056 R)
• M16: 12,287,221 km (0.061 R)
• M17: 15,245,669 km (0.066 R)
• M18: 21,840,242 km (0.113 R)
• M19: 22,606,033 km (0.026 R)
• M20: 26,704,865 km (0.098 R)
• M21: 28,273,848 km (0.089 R)
• M22: 28,979,202 km (0.097 R)
• M23: 29,285,130 km (0.096 R)
• M24: 31,486,761 km (0.108 R)
• M25: 36,809,154 km (0.109 R)
• M26: 39,494,287 km (0.098 R)
• M27: 39,744,713 km (0.035 R)
• M28: 39,996,188 km (0.06 R)
• M29: 40,502,277 km (0.112 R)
• M30: 42,176,576 km (0.056 R)
• M31: 43,628,723 km (0.065 R)
• M32: 44,165,031 km (0.072 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 874.2

Radius: 3.4

Gravity: 75.62 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 10.2 AU - 11.12 AU

Year: 22832 Days

Day: 15.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 90,150,956 km

• M1: 42,336 km (0.119 R)
• M2: 201,957 km (0.112 R)
• M3: 784,940 km (0.116 R)
• M4: 1,041,500 km (0.032 R)
• M5: 3,078,724 km (0.099 R)
• M6: 3,310,002 km (0.091 R)
• M7: 4,388,154 km (0.084 R)
• M8: 4,496,463 km (0.054 R)
• M9: 4,606,567 km (0.11 R)
• M10: 5,852,568 km (0.091 R)
• M11: 7,057,579 km (0.115 R)
• M12: 7,929,286 km (0.092 R)
• M13: 9,338,049 km (0.118 R)
• M14: 10,322,253 km (0.093 R)
• M15: 12,639,374 km (0.112 R)
• M16: 14,389,370 km (0.052 R)
• M17: 15,198,246 km (0.103 R)
• M18: 15,951,771 km (0.073 R)
• M19: 16,380,967 km (0.093 R)
• M20: 18,361,194 km (0.083 R)
• M21: 20,495,207 km (0.055 R)
• M22: 29,643,865 km (0.106 R)
• M23: 29,901,922 km (0.04 R)
• M24: 30,817,311 km (0.025 R)
• M25: 35,530,093 km (0.11 R)
• M26: 36,556,484 km (0.06 R)
• M27: 45,147,590 km (0.076 R)
• M28: 48,822,013 km (0.075 R)
• M29: 49,725,285 km (0.099 R)
• M30: 52,313,777 km (0.108 R)
• M31: 54,216,662 km (0.111 R)
• M32: 59,789,332 km (0.11 R)
• M33: 61,658,408 km (0.117 R)
• M34: 62,501,542 km (0.068 R)
• M35: 75,363,817 km (0.119 R)
• M36: 75,603,921 km (0.115 R)
• M37: 76,812,223 km (0.12 R)
• M38: 79,019,540 km (0.069 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 274 - 19,799 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit