🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 723.6

Radius: 10.4

Gravity: 6.69 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 0.67 AU - 0.91 AU

Year: 476 Days

Day: 11.7 Hours

Environment

Temp: -161 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 72,285,318 km

• M1: 129,701 km (0.062 R)
• M2: 618,587 km (0.113 R)
• M3: 987,795 km (0.053 R)
• M4: 1,368,222 km (0.119 R)
• M5: 1,700,778 km (0.101 R)
• M6: 2,088,087 km (0.118 R)
• M7: 2,976,100 km (0.079 R)
• M8: 3,395,572 km (0.064 R)
• M9: 4,140,719 km (0.081 R)
• M10: 4,470,732 km (0.098 R)
• M11: 5,023,048 km (0.077 R)
• M12: 5,382,681 km (0.057 R)
• M13: 5,759,368 km (0.09 R)
• M14: 6,117,057 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 706.5

Radius: 10.4

Gravity: 6.53 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 1.73 AU - 1.85 AU

Year: 1624 Days

Day: 12.2 Hours

Environment

Temp: -189 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 72,285,318 km

• M1: 129,402 km (0.08 R)
• M2: 460,163 km (0.115 R)
• M3: 1,023,399 km (0.105 R)
• M4: 1,363,136 km (0.06 R)
• M5: 2,150,021 km (0.101 R)
• M6: 2,480,632 km (0.062 R)
• M7: 2,917,158 km (0.096 R)
• M8: 3,277,689 km (0.102 R)
• M9: 3,668,140 km (0.077 R)
• M10: 4,602,229 km (0.025 R)
• M11: 4,946,603 km (0.088 R)
• M12: 5,440,127 km (0.091 R)
• M13: 5,895,802 km (0.116 R)
• M14: 7,390,135 km (0.113 R)
• M15: 9,441,122 km (0.119 R)
• M16: 9,833,068 km (0.117 R)
• M17: 10,441,483 km (0.034 R)
• M18: 10,896,410 km (0.102 R)
• M19: 11,364,501 km (0.094 R)
• M20: 11,921,155 km (0.079 R)
• M21: 12,770,572 km (0.093 R)
• M22: 13,331,713 km (0.12 R)
• M23: 14,289,289 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 190.6

Radius: 9.7

Gravity: 2.03 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 2.15 AU - 2.55 AU

Year: 2443 Days

Day: 12.3 Hours

Environment

Temp: -209 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 72,285,318 km

• M1: 120,576 km (0.108 R)
• M2: 685,607 km (0.075 R)
• M3: 998,715 km (0.099 R)
• M4: 1,377,946 km (0.087 R)
• M5: 1,784,403 km (0.079 R)
• M6: 2,179,641 km (0.114 R)
• M7: 2,544,959 km (0.119 R)
• M8: 3,148,586 km (0.117 R)
• M9: 3,477,103 km (0.077 R)
• M10: 4,030,017 km (0.105 R)
• M11: 5,311,622 km (0.049 R)
• M12: 7,094,978 km (0.108 R)
• M13: 7,531,355 km (0.028 R)
• M14: 8,177,768 km (0.107 R)
• M15: 8,571,509 km (0.098 R)
• M16: 9,798,511 km (0.077 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 991.1

Radius: 10.4

Gravity: 9.16 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 3.48 AU - 3.68 AU

Year: 4594 Days

Day: 13.1 Hours

Environment

Temp: -208 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 72,285,318 km

• M1: 129,701 km (0.102 R)
• M2: 546,631 km (0.042 R)
• M3: 937,979 km (0.099 R)
• M4: 2,477,341 km (0.107 R)
• M5: 3,218,000 km (0.119 R)
• M6: 5,107,870 km (0.11 R)
• M7: 5,478,274 km (0.079 R)
• M8: 12,999,307 km (0.101 R)
• M9: 15,503,725 km (0.048 R)
• M10: 18,578,560 km (0.069 R)
• M11: 19,389,380 km (0.112 R)
• M12: 22,489,646 km (0.044 R)
• M13: 23,332,780 km (0.109 R)
• M14: 26,072,665 km (0.055 R)
• M15: 27,693,558 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 477.8

Radius: 9.1

Gravity: 5.77 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 4.83 AU - 5.51 AU

Year: 7973 Days

Day: 13.3 Hours

Environment

Temp: -234 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 72,285,318 km

• M1: 113,096 km (0.048 R)
• M2: 441,015 km (0.116 R)
• M3: 761,004 km (0.115 R)
• M4: 1,077,404 km (0.075 R)
• M5: 1,375,552 km (0.101 R)
• M6: 2,128,479 km (0.111 R)
• M7: 2,606,145 km (0.11 R)
• M8: 3,433,570 km (0.118 R)
• M9: 4,270,122 km (0.092 R)
• M10: 4,613,449 km (0.117 R)
• M11: 5,507,296 km (0.113 R)
• M12: 7,521,033 km (0.091 R)
• M13: 8,182,256 km (0.1 R)
• M14: 8,630,451 km (0.084 R)
• M15: 9,311,420 km (0.063 R)
• M16: 10,119,997 km (0.088 R)
• M17: 12,611,400 km (0.094 R)
• M18: 14,114,260 km (0.112 R)
• M19: 21,326,822 km (0.049 R)
• M20: 23,048,245 km (0.05 R)
• M21: 24,025,119 km (0.062 R)
• M22: 25,628,210 km (0.117 R)
• M23: 29,706,996 km (0.047 R)
• M24: 32,049,997 km (0.079 R)
• M25: 34,936,040 km (0.1 R)
• M26: 35,255,281 km (0.119 R)
• M27: 35,899,450 km (0.085 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 408.8

Radius: 6.5

Gravity: 9.68 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 9.53 AU - 12.01 AU

Year: 23973 Days

Day: 21.5 Hours

Environment

Temp: -235 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 72,285,318 km

• M1: 80,783 km (0.099 R)
• M2: 487,988 km (0.118 R)
• M3: 1,649,017 km (0.062 R)
• M4: 2,069,537 km (0.086 R)
• M5: 2,380,850 km (0.111 R)
• M6: 3,020,082 km (0.116 R)
• M7: 4,201,307 km (0.112 R)
• M8: 5,354,257 km (0.06 R)
• M9: 6,792,940 km (0.11 R)
• M10: 8,732,626 km (0.115 R)
• M11: 11,898,416 km (0.098 R)
• M12: 17,624,424 km (0.06 R)
• M13: 19,008,803 km (0.07 R)
• M14: 22,385,975 km (0.085 R)
• M15: 32,788,413 km (0.101 R)
• M16: 37,746,984 km (0.113 R)
• M17: 40,477,593 km (0.099 R)
• M18: 58,159,015 km (0.076 R)
• M19: 66,183,893 km (0.052 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 169 - 14,518 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit