🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.68 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 216.2

Radius: 12.4

Gravity: 1.41 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 1.33 AU - 1.37 AU

Year: 1046 Days

Day: 7.1 Hours

Environment

Temp: -197 °C

Axial Tilt: 166.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 94,016,378 km

• M1: 154,834 km (0.1 R)
• M2: 733,927 km (0.119 R)
• M3: 1,406,220 km (0.066 R)
• M4: 1,852,321 km (0.099 R)
• M5: 4,601,780 km (0.117 R)
• M6: 6,726,369 km (0.113 R)
• M7: 7,223,782 km (0.079 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 823.4

Radius: 11.4

Gravity: 6.34 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 2.86 AU - 2.98 AU

Year: 3327 Days

Day: 11.4 Hours

Environment

Temp: -205 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 94,016,378 km

• M1: 141,819 km (0.101 R)
• M2: 845,826 km (0.111 R)
• M3: 1,295,966 km (0.108 R)
• M4: 1,770,042 km (0.119 R)
• M5: 2,314,877 km (0.078 R)
• M6: 3,682,651 km (0.059 R)
• M7: 5,318,803 km (0.117 R)
• M8: 6,167,771 km (0.118 R)
• M9: 6,670,569 km (0.115 R)
• M10: 7,136,716 km (0.086 R)
• M11: 9,567,981 km (0.037 R)
• M12: 10,864,545 km (0.05 R)
• M13: 11,249,461 km (0.068 R)
• M14: 11,956,460 km (0.119 R)
• M15: 13,655,294 km (0.105 R)
• M16: 14,821,708 km (0.082 R)
• M17: 15,617,419 km (0.086 R)
• M18: 16,329,804 km (0.083 R)
• M19: 17,063,881 km (0.039 R)
• M20: 17,997,222 km (0.079 R)
• M21: 19,087,791 km (0.081 R)
• M22: 20,479,649 km (0.109 R)
• M23: 21,266,833 km (0.055 R)
• M24: 23,749,709 km (0.101 R)
• M25: 24,399,413 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 484.4

Radius: 9.7

Gravity: 5.15 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 3.76 AU - 4.6 AU

Year: 5699 Days

Day: 10.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 94,016,378 km

• M1: 120,576 km (0.092 R)
• M2: 436,227 km (0.077 R)
• M3: 1,114,953 km (0.061 R)
• M4: 1,625,530 km (0.028 R)
• M5: 2,019,721 km (0.098 R)
• M6: 2,348,986 km (0.088 R)
• M7: 4,183,804 km (0.102 R)
• M8: 4,749,433 km (0.041 R)
• M9: 5,309,677 km (0.113 R)
• M10: 5,620,392 km (0.119 R)
• M11: 6,063,650 km (0.059 R)
• M12: 6,594,274 km (0.093 R)
• M13: 7,430,377 km (0.107 R)
• M14: 7,965,039 km (0.107 R)
• M15: 8,601,728 km (0.12 R)
• M16: 10,495,338 km (0.117 R)
• M17: 11,492,856 km (0.118 R)
• M18: 12,062,974 km (0.12 R)
• M19: 12,953,380 km (0.094 R)
• M20: 14,809,292 km (0.052 R)
• M21: 16,238,998 km (0.095 R)
• M22: 17,509,384 km (0.041 R)
• M23: 20,590,651 km (0.102 R)
• M24: 21,078,490 km (0.091 R)
• M25: 22,736,184 km (0.107 R)
• M26: 23,786,660 km (0.068 R)
• M27: 25,343,226 km (0.108 R)
• M28: 25,823,136 km (0.109 R)
• M29: 26,227,648 km (0.094 R)
• M30: 27,973,156 km (0.065 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 641.8

Radius: 12.1

Gravity: 4.38 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 3.56 AU - 5.2 AU

Year: 6113 Days

Day: 12.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 94,016,378 km

• M1: 150,495 km (0.112 R)
• M2: 721,361 km (0.08 R)
• M3: 1,315,713 km (0.115 R)
• M4: 3,074,386 km (0.055 R)
• M5: 3,940,109 km (0.031 R)
• M6: 4,354,495 km (0.117 R)
• M7: 4,852,207 km (0.058 R)
• M8: 6,814,931 km (0.086 R)
• M9: 7,342,712 km (0.119 R)
• M10: 11,103,304 km (0.077 R)
• M11: 13,020,101 km (0.082 R)
• M12: 18,156,843 km (0.043 R)
• M13: 19,730,762 km (0.057 R)
• M14: 21,842,486 km (0.055 R)
• M15: 22,374,007 km (0.11 R)
• M16: 23,383,942 km (0.096 R)
• M17: 23,940,297 km (0.081 R)
• M18: 25,578,543 km (0.103 R)
• M19: 26,855,361 km (0.11 R)

Planet 5 - Ice Giant

Semi-Major Axis: 11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 873.3

Radius: 4.7

Gravity: 39.53 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 9.19 AU - 12.82 AU

Year: 24329 Days

Day: 23.2 Hours

Environment

Temp: -245 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 94,016,378 km

• M1: 59,091 km (0.071 R)
• M2: 422,016 km (0.078 R)
• M3: 879,785 km (0.08 R)
• M4: 1,949,260 km (0.119 R)
• M5: 4,665,060 km (0.11 R)
• M6: 8,850,659 km (0.065 R)
• M7: 9,204,009 km (0.054 R)
• M8: 9,751,238 km (0.117 R)
• M9: 10,384,635 km (0.116 R)
• M10: 10,777,629 km (0.055 R)
• M11: 13,888,816 km (0.054 R)
• M12: 14,608,232 km (0.106 R)
• M13: 15,776,143 km (0.111 R)
• M14: 21,176,027 km (0.029 R)
• M15: 24,230,068 km (0.074 R)
• M16: 27,939,646 km (0.075 R)
• M17: 28,571,398 km (0.111 R)
• M18: 33,403,709 km (0.084 R)
• M19: 34,402,574 km (0.105 R)
• M20: 36,459,694 km (0.03 R)
• M21: 40,014,887 km (0.107 R)
• M22: 52,243,765 km (0.117 R)
• M23: 55,747,647 km (0.07 R)
• M24: 56,547,098 km (0.055 R)
• M25: 63,219,013 km (0.06 R)
• M26: 67,418,524 km (0.1 R)
• M27: 69,701,687 km (0.074 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 548 - 12,277 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit