🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 159.4

Radius: 14.9

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 0.78 AU - 0.84 AU

Year: 503 Days

Day: 9.5 Hours

Environment

Temp: -156 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 72,232,786 km

• M1: 185,352 km (0.087 R)
• M2: 661,522 km (0.094 R)
• M3: 1,130,212 km (0.106 R)
• M4: 1,707,360 km (0.103 R)
• M5: 2,377,110 km (0.071 R)
• M6: 2,842,210 km (0.085 R)
• M7: 3,430,429 km (0.03 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 804

Radius: 13.7

Gravity: 4.28 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 1.05 AU - 1.61 AU

Year: 1059 Days

Day: 11.8 Hours

Environment

Temp: -185 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 72,232,786 km

• M1: 171,290 km (0.081 R)
• M2: 669,002 km (0.108 R)
• M3: 1,139,337 km (0.102 R)
• M4: 1,692,700 km (0.118 R)
• M5: 2,518,031 km (0.081 R)
• M6: 3,567,760 km (0.096 R)
• M7: 4,125,760 km (0.1 R)
• M8: 5,160,079 km (0.077 R)
• M9: 6,071,579 km (0.113 R)
• M10: 7,509,664 km (0.067 R)
• M11: 8,905,860 km (0.07 R)
• M12: 9,635,898 km (0.104 R)
• M13: 10,724,671 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 857.2

Radius: 10.3

Gravity: 8.08 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 2.46 AU - 3.1 AU

Year: 3199 Days

Day: 8.5 Hours

Environment

Temp: -215 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 72,232,786 km

• M1: 128,205 km (0.03 R)
• M2: 508,184 km (0.075 R)
• M3: 1,056,161 km (0.102 R)
• M4: 1,436,588 km (0.105 R)
• M5: 1,784,553 km (0.067 R)
• M6: 2,120,101 km (0.057 R)
• M7: 2,687,675 km (0.093 R)
• M8: 3,025,617 km (0.067 R)
• M9: 3,976,162 km (0.079 R)
• M10: 4,417,176 km (0.108 R)
• M11: 5,089,469 km (0.092 R)
• M12: 6,547,600 km (0.109 R)
• M13: 6,975,450 km (0.104 R)
• M14: 7,618,870 km (0.103 R)
• M15: 8,657,977 km (0.085 R)
• M16: 10,762,370 km (0.038 R)
• M17: 11,186,480 km (0.036 R)
• M18: 11,843,663 km (0.12 R)
• M19: 14,221,522 km (0.097 R)
• M20: 14,732,698 km (0.109 R)
• M21: 15,256,140 km (0.086 R)
• M22: 15,737,846 km (0.087 R)
• M23: 18,120,940 km (0.109 R)
• M24: 19,027,353 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 295.4

Radius: 10.2

Gravity: 2.84 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 4.73 AU - 4.77 AU

Year: 7146 Days

Day: 11.8 Hours

Environment

Temp: -233 °C

Axial Tilt: 107.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 72,232,786 km

• M1: 126,859 km (0.108 R)
• M2: 510,428 km (0.072 R)
• M3: 874,250 km (0.041 R)
• M4: 1,634,506 km (0.113 R)
• M5: 2,770,403 km (0.055 R)
• M6: 4,063,228 km (0.117 R)
• M7: 4,589,513 km (0.11 R)
• M8: 5,296,961 km (0.066 R)
• M9: 6,668,026 km (0.11 R)
• M10: 7,230,364 km (0.087 R)
• M11: 8,412,038 km (0.051 R)
• M12: 8,950,441 km (0.087 R)
• M13: 10,139,145 km (0.049 R)
• M14: 11,757,345 km (0.1 R)
• M15: 12,927,799 km (0.117 R)
• M16: 14,771,443 km (0.075 R)
• M17: 15,784,969 km (0.069 R)
• M18: 16,367,653 km (0.048 R)
• M19: 19,832,639 km (0.037 R)
• M20: 21,986,848 km (0.079 R)
• M21: 22,640,441 km (0.109 R)
• M22: 25,543,836 km (0.107 R)
• M23: 28,089,095 km (0.099 R)
• M24: 28,515,000 km (0.054 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 926.2

Radius: 3.2

Gravity: 90.45 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 5.92 AU - 6.82 AU

Year: 11097 Days

Day: 16.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 72,232,786 km

• M1: 40,092 km (0.075 R)
• M2: 259,552 km (0.084 R)
• M3: 644,318 km (0.112 R)
• M4: 1,037,611 km (0.105 R)
• M5: 1,144,873 km (0.11 R)
• M6: 1,650,663 km (0.089 R)
• M7: 2,330,884 km (0.055 R)
• M8: 2,558,423 km (0.068 R)
• M9: 2,962,487 km (0.113 R)
• M10: 4,398,028 km (0.107 R)
• M11: 4,712,931 km (0.097 R)
• M12: 5,247,893 km (0.069 R)
• M13: 5,423,072 km (0.119 R)
• M14: 6,201,580 km (0.07 R)
• M15: 7,570,849 km (0.109 R)
• M16: 8,068,711 km (0.113 R)
• M17: 8,444,351 km (0.077 R)
• M18: 14,922,687 km (0.108 R)
• M19: 15,775,694 km (0.116 R)
• M20: 17,578,049 km (0.099 R)
• M21: 18,448,260 km (0.118 R)
• M22: 20,103,261 km (0.041 R)
• M23: 21,585,626 km (0.07 R)
• M24: 24,668,090 km (0.081 R)
• M25: 26,262,953 km (0.086 R)
• M26: 26,672,253 km (0.078 R)
• M27: 27,189,712 km (0.064 R)
• M28: 34,294,265 km (0.05 R)
• M29: 35,899,749 km (0.111 R)
• M30: 39,660,191 km (0.088 R)
• M31: 40,063,507 km (0.099 R)
• M32: 41,152,579 km (0.061 R)
• M33: 46,446,698 km (0.089 R)
• M34: 47,799,661 km (0.107 R)
• M35: 48,103,943 km (0.093 R)
• M36: 49,956,264 km (0.071 R)
• M37: 53,148,234 km (0.106 R)
• M38: 55,294,365 km (0.053 R)
• M39: 56,134,955 km (0.113 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 652.9

Radius: 5.6

Gravity: 20.82 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 7.42 AU - 10.78 AU

Year: 18948 Days

Day: 16.5 Hours

Environment

Temp: -240 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 72,232,786 km

• M1: 70,161 km (0.072 R)
• M2: 359,783 km (0.116 R)
• M3: 613,052 km (0.093 R)
• M4: 1,338,003 km (0.101 R)
• M5: 1,603,390 km (0.108 R)
• M6: 2,931,071 km (0.066 R)
• M7: 3,137,217 km (0.062 R)
• M8: 3,607,702 km (0.027 R)
• M9: 3,875,183 km (0.055 R)
• M10: 5,531,381 km (0.105 R)
• M11: 6,645,437 km (0.028 R)
• M12: 7,093,781 km (0.101 R)
• M13: 11,559,427 km (0.066 R)
• M14: 11,945,240 km (0.091 R)
• M15: 13,085,176 km (0.084 R)
• M16: 14,295,722 km (0.08 R)
• M17: 17,857,199 km (0.055 R)
• M18: 18,546,845 km (0.077 R)
• M19: 21,483,451 km (0.1 R)
• M20: 21,968,597 km (0.088 R)
• M21: 22,263,155 km (0.03 R)
• M22: 22,759,970 km (0.077 R)
• M23: 23,162,837 km (0.111 R)
• M24: 24,190,574 km (0.112 R)
• M25: 28,373,630 km (0.081 R)
• M26: 32,250,309 km (0.12 R)
• M27: 35,648,873 km (0.101 R)
• M28: 37,854,694 km (0.096 R)
• M29: 39,278,716 km (0.104 R)
• M30: 56,813,681 km (0.116 R)
• M31: 68,197,181 km (0.102 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 323 - 12,168 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit