🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 226.1

Radius: 14.9

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 0.68 AU - 0.88 AU

Year: 459 Days

Day: 15 Hours

Environment

Temp: -168 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 41,310,061 km

• M1: 187,297 km (0.091 R)
• M2: 651,798 km (0.104 R)
• M3: 1,191,697 km (0.093 R)
• M4: 1,990,400 km (0.035 R)
• M5: 2,458,791 km (0.119 R)
• M6: 2,982,982 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 766.1

Radius: 14.9

Gravity: 3.45 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 0.81 AU - 0.91 AU

Year: 532 Days

Day: 8.9 Hours

Environment

Temp: -172 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 41,310,061 km

• M1: 186,997 km (0.11 R)
• M2: 757,115 km (0.106 R)
• M3: 1,549,834 km (0.091 R)
• M4: 2,137,155 km (0.076 R)
• M5: 2,668,527 km (0.11 R)
• M6: 3,228,472 km (0.096 R)
• M7: 3,839,729 km (0.116 R)
• M8: 4,650,250 km (0.114 R)
• M9: 5,280,356 km (0.115 R)
• M10: 5,985,411 km (0.113 R)
• M11: 6,476,840 km (0.063 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 891.8

Radius: 12.9

Gravity: 5.36 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 1.07 AU - 1.25 AU

Year: 833 Days

Day: 8.1 Hours

Environment

Temp: -192 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 41,310,061 km

• M1: 160,369 km (0.12 R)
• M2: 1,043,744 km (0.089 R)
• M3: 1,455,886 km (0.108 R)
• M4: 2,271,793 km (0.114 R)
• M5: 2,820,967 km (0.119 R)
• M6: 3,345,607 km (0.093 R)
• M7: 3,766,276 km (0.102 R)
• M8: 4,321,284 km (0.105 R)
• M9: 4,733,127 km (0.073 R)
• M10: 5,208,998 km (0.109 R)
• M11: 6,045,549 km (0.118 R)
• M12: 6,992,803 km (0.082 R)
• M13: 8,011,265 km (0.072 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 19.7

Radius: 13.8

Gravity: 0.1 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 1.05 AU - 1.41 AU

Year: 910 Days

Day: 13.4 Hours

Environment

Temp: -186 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 41,310,061 km

• M1: 171,589 km (0.064 R)
• M2: 1,036,264 km (0.108 R)
• M3: 2,239,331 km (0.091 R)
• M4: 2,870,933 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 69.2

Radius: 8.4

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 1.05 AU - 1.41 AU

Year: 910 Days

Day: 11.3 Hours

Environment

Temp: -186 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 41,310,061 km

• M1: 104,419 km (0.094 R)
• M2: 395,387 km (0.091 R)
• M3: 1,086,081 km (0.064 R)
• M4: 1,401,582 km (0.111 R)
• M5: 1,995,336 km (0.12 R)
• M6: 3,203,638 km (0.117 R)
• M7: 4,068,314 km (0.074 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 451.6

Radius: 14.8

Gravity: 2.06 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 1.17 AU - 1.33 AU

Year: 932 Days

Day: 6.2 Hours

Environment

Temp: -177 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 41,310,061 km

• M1: 184,005 km (0.067 R)
• M2: 655,538 km (0.069 R)
• M3: 1,129,614 km (0.119 R)
• M4: 1,689,558 km (0.045 R)
• M5: 2,174,255 km (0.048 R)
• M6: 2,741,830 km (0.111 R)
• M7: 3,238,495 km (0.085 R)
• M8: 3,766,725 km (0.106 R)
• M9: 4,627,062 km (0.114 R)
• M10: 5,961,176 km (0.064 R)
• M11: 7,913,877 km (0.104 R)
• M12: 8,575,399 km (0.118 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 148.7

Radius: 9.1

Gravity: 1.8 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 1.18 AU - 1.4 AU

Year: 977 Days

Day: 7.7 Hours

Environment

Temp: -194 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 41,310,061 km

• M1: 192,981 km (0.099 R)
• M2: 641,775 km (0.104 R)
• M3: 1,370,167 km (0.105 R)
• M4: 1,752,689 km (0.1 R)
• M5: 2,633,371 km (0.106 R)
• M6: 3,014,547 km (0.067 R)
• M7: 3,384,053 km (0.115 R)
• M8: 3,744,883 km (0.099 R)
• M9: 4,798,950 km (0.092 R)

Planet 8 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 356

Radius: 10.6

Gravity: 3.17 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 1.23 AU - 1.83 AU

Year: 1262 Days

Day: 8.9 Hours

Environment

Temp: -190 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 41,310,061 km

• M1: 131,796 km (0.068 R)
• M2: 753,225 km (0.12 R)
• M3: 1,163,273 km (0.069 R)
• M4: 1,988,305 km (0.104 R)
• M5: 2,603,901 km (0.099 R)
• M6: 3,165,790 km (0.104 R)
• M7: 3,761,489 km (0.119 R)
• M8: 6,942,837 km (0.026 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 360.7

Radius: 8.7

Gravity: 4.77 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 4.4 AU - 6.68 AU

Year: 8695 Days

Day: 9 Hours

Environment

Temp: -231 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 41,310,061 km

• M1: 109,057 km (0.106 R)
• M2: 530,324 km (0.113 R)
• M3: 904,918 km (0.119 R)
• M4: 1,429,856 km (0.115 R)
• M5: 1,874,461 km (0.057 R)
• M6: 2,145,832 km (0.047 R)
• M7: 2,513,394 km (0.102 R)
• M8: 2,903,246 km (0.093 R)
• M9: 3,485,481 km (0.099 R)
• M10: 3,923,503 km (0.059 R)
• M11: 4,423,908 km (0.041 R)
• M12: 7,476,004 km (0.111 R)
• M13: 8,486,538 km (0.105 R)
• M14: 11,506,769 km (0.119 R)
• M15: 13,504,798 km (0.083 R)
• M16: 15,057,923 km (0.118 R)
• M17: 16,472,072 km (0.08 R)
• M18: 17,572,663 km (0.119 R)
• M19: 17,905,519 km (0.077 R)
• M20: 19,068,792 km (0.095 R)
• M21: 19,491,256 km (0.1 R)
• M22: 23,820,768 km (0.067 R)
• M23: 26,512,333 km (0.081 R)
• M24: 28,751,364 km (0.103 R)
• M25: 32,391,529 km (0.052 R)

Planet 10 - Ice Giant

Semi-Major Axis: 6.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 335.3

Radius: 7.5

Gravity: 5.96 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 5.13 AU - 8.17 AU

Year: 11436 Days

Day: 15.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 41,310,061 km

• M1: 93,199 km (0.051 R)
• M2: 776,712 km (0.115 R)
• M3: 1,206,058 km (0.115 R)
• M4: 1,547,740 km (0.098 R)
• M5: 2,147,328 km (0.087 R)
• M6: 2,427,076 km (0.113 R)
• M7: 2,831,289 km (0.091 R)
• M8: 3,324,813 km (0.093 R)
• M9: 3,824,170 km (0.107 R)
• M10: 4,372,596 km (0.067 R)
• M11: 4,795,509 km (0.072 R)
• M12: 5,183,865 km (0.088 R)
• M13: 5,755,928 km (0.07 R)
• M14: 7,139,409 km (0.075 R)
• M15: 9,541,053 km (0.051 R)
• M16: 13,167,904 km (0.119 R)
• M17: 13,516,018 km (0.064 R)
• M18: 15,477,396 km (0.104 R)
• M19: 15,865,153 km (0.115 R)
• M20: 20,959,709 km (0.053 R)
• M21: 23,490,606 km (0.074 R)
• M22: 23,745,820 km (0.05 R)
• M23: 24,175,315 km (0.108 R)
• M24: 24,610,047 km (0.118 R)
• M25: 25,674,435 km (0.106 R)
• M26: 30,240,611 km (0.056 R)
• M27: 30,948,658 km (0.107 R)
• M28: 31,564,403 km (0.091 R)
• M29: 33,892,146 km (0.11 R)
• M30: 40,817,480 km (0.053 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 344 - 17,673 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit