🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.98

Radius: 0.99

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 0.6 AU - 0.94 AU

Year: 241 Days

Day: 40.2 Hours

Environment

Temp: 128 °C

Axial Tilt: 4.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 90,669,500 km

• M1: 60,288 km (0.081 R)

Planet 2 - Terrestrial

Semi-Major Axis: 4.42 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.76

Radius: 1.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 3.97 AU - 4.87 AU

Year: 3312 Days

Day: 17.7 Hours

Environment

Temp: -124 °C

Axial Tilt: 1.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 90,669,500 km

• M1: 4,023,734 km (0.117 R)

Asteroid Belt

Center: 5.23 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 6.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 197.8

Radius: 14

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 5.58 AU - 6.5 AU

Year: 5291 Days

Day: 8 Hours

Environment

Temp: -146 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 90,669,500 km

• M1: 175,478 km (0.053 R)
• M2: 873,053 km (0.032 R)
• M3: 1,450,351 km (0.092 R)
• M4: 2,059,364 km (0.087 R)
• M5: 2,547,801 km (0.05 R)
• M6: 2,997,642 km (0.069 R)
• M7: 3,537,690 km (0.106 R)
• M8: 4,309,765 km (0.093 R)
• M9: 6,327,691 km (0.098 R)
• M10: 6,837,819 km (0.067 R)
• M11: 7,686,339 km (0.111 R)
• M12: 10,002,263 km (0.058 R)
• M13: 10,935,156 km (0.119 R)
• M14: 11,464,283 km (0.096 R)
• M15: 12,182,054 km (0.114 R)
• M16: 13,019,503 km (0.063 R)
• M17: 14,179,485 km (0.09 R)
• M18: 15,306,705 km (0.076 R)

Planet 4 - Gas Giant

Semi-Major Axis: 12.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 380

Radius: 8.9

Gravity: 4.8 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 11.18 AU - 13.02 AU

Year: 15003 Days

Day: 14.7 Hours

Environment

Temp: -174 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 90,669,500 km

• M1: 111,002 km (0.101 R)
• M2: 411,095 km (0.106 R)
• M3: 822,639 km (0.06 R)
• M4: 1,600,996 km (0.042 R)
• M5: 2,225,717 km (0.111 R)
• M6: 2,574,280 km (0.114 R)
• M7: 3,049,852 km (0.055 R)
• M8: 3,431,775 km (0.084 R)
• M9: 4,120,524 km (0.112 R)
• M10: 6,357,610 km (0.105 R)
• M11: 7,692,023 km (0.099 R)
• M12: 8,356,687 km (0.101 R)
• M13: 9,011,177 km (0.1 R)
• M14: 10,004,806 km (0.088 R)
• M15: 12,091,098 km (0.098 R)
• M16: 14,060,255 km (0.081 R)
• M17: 14,985,518 km (0.08 R)
• M18: 16,665,352 km (0.053 R)
• M19: 19,175,006 km (0.088 R)
• M20: 22,720,027 km (0.097 R)
• M21: 29,136,728 km (0.053 R)
• M22: 34,026,784 km (0.118 R)
• M23: 35,329,632 km (0.086 R)
• M24: 37,035,346 km (0.078 R)
• M25: 37,407,995 km (0.12 R)
• M26: 39,825,796 km (0.115 R)
• M27: 42,075,748 km (0.083 R)
• M28: 47,263,353 km (0.074 R)

Planet 5 - Ice Giant

Semi-Major Axis: 14.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 328.3

Radius: 5.4

Gravity: 11.26 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 13.12 AU - 15.38 AU

Year: 19174 Days

Day: 17.7 Hours

Environment

Temp: -185 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 90,669,500 km

• M1: 140,024 km (0.063 R)
• M2: 382,372 km (0.104 R)
• M3: 1,107,174 km (0.052 R)
• M4: 2,483,325 km (0.06 R)
• M5: 3,020,082 km (0.101 R)
• M6: 4,382,170 km (0.043 R)
• M7: 5,659,287 km (0.089 R)
• M8: 6,664,286 km (0.062 R)
• M9: 11,883,456 km (0.096 R)
• M10: 14,117,551 km (0.109 R)
• M11: 14,734,343 km (0.054 R)
• M12: 18,169,858 km (0.098 R)
• M13: 19,817,080 km (0.098 R)
• M14: 22,286,792 km (0.116 R)
• M15: 22,748,451 km (0.108 R)
• M16: 22,934,850 km (0.065 R)
• M17: 32,420,252 km (0.088 R)
• M18: 37,494,014 km (0.108 R)
• M19: 43,072,219 km (0.104 R)

Planet 6 - Ice Giant

Semi-Major Axis: 19.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 523.7

Radius: 6.9

Gravity: 11 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 14.96 AU - 23.24 AU

Year: 29754 Days

Day: 22.3 Hours

Environment

Temp: -190 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 90,669,500 km

• M1: 158,723 km (0.027 R)
• M2: 1,076,955 km (0.115 R)
• M3: 2,011,044 km (0.117 R)
• M4: 2,758,286 km (0.073 R)
• M5: 5,417,986 km (0.051 R)
• M6: 5,883,235 km (0.069 R)
• M7: 8,230,725 km (0.111 R)
• M8: 9,018,358 km (0.099 R)
• M9: 9,611,065 km (0.08 R)
• M10: 12,676,176 km (0.096 R)
• M11: 17,306,678 km (0.117 R)
• M12: 20,344,712 km (0.092 R)
• M13: 22,200,922 km (0.115 R)
• M14: 22,844,044 km (0.096 R)
• M15: 23,279,523 km (0.068 R)
• M16: 28,946,889 km (0.112 R)
• M17: 29,201,205 km (0.115 R)
• M18: 32,781,531 km (0.106 R)
• M19: 33,755,264 km (0.059 R)
• M20: 37,541,586 km (0.089 R)
• M21: 41,279,288 km (0.069 R)
• M22: 53,201,940 km (0.073 R)
• M23: 57,301,071 km (0.12 R)
• M24: 73,891,624 km (0.11 R)
• M25: 77,750,053 km (0.087 R)

Kuiper Belt

Range: 30.8 - 55.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 178 - 12,254 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit