🌌 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: 20.9

Radius: 14.6

Gravity: 0.1 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 0.66 AU - 0.9 AU

Year: 459 Days

Day: 9.7 Hours

Environment

Temp: -155 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 86,835,847 km

• M1: 182,210 km (0.108 R)
• M2: 730,935 km (0.113 R)
• M3: 1,208,900 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 269.4

Radius: 13.9

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.89 AU - 1.47 AU

Year: 855 Days

Day: 6.9 Hours

Environment

Temp: -187 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 86,835,847 km

• M1: 172,935 km (0.109 R)
• M2: 637,287 km (0.107 R)
• M3: 1,106,725 km (0.098 R)
• M4: 2,091,079 km (0.119 R)
• M5: 3,054,041 km (0.068 R)
• M6: 4,222,998 km (0.035 R)
• M7: 4,855,049 km (0.096 R)
• M8: 5,327,779 km (0.038 R)
• M9: 5,831,325 km (0.08 R)
• M10: 6,272,190 km (0.057 R)
• M11: 6,814,482 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 729.1

Radius: 9.4

Gravity: 8.25 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 1.37 AU - 1.71 AU

Year: 1274 Days

Day: 13 Hours

Environment

Temp: -191 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 86,835,847 km

• M1: 116,986 km (0.092 R)
• M2: 428,897 km (0.116 R)
• M3: 764,296 km (0.118 R)
• M4: 1,072,766 km (0.1 R)
• M5: 1,784,104 km (0.116 R)
• M6: 2,193,105 km (0.119 R)
• M7: 2,499,930 km (0.039 R)
• M8: 2,862,555 km (0.058 R)
• M9: 3,172,073 km (0.088 R)
• M10: 3,809,360 km (0.117 R)
• M11: 4,418,822 km (0.032 R)
• M12: 5,152,599 km (0.077 R)
• M13: 5,876,055 km (0.047 R)
• M14: 6,449,912 km (0.055 R)
• M15: 8,257,204 km (0.045 R)
• M16: 9,614,655 km (0.053 R)
• M17: 10,444,624 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 459.5

Radius: 8.2

Gravity: 6.83 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 1.64 AU - 2.3 AU

Year: 1844 Days

Day: 5 Hours

Environment

Temp: -208 °C

Axial Tilt: 47.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 86,835,847 km

• M1: 102,774 km (0.058 R)
• M2: 379,530 km (0.067 R)
• M3: 790,924 km (0.054 R)
• M4: 1,220,120 km (0.092 R)
• M5: 1,641,089 km (0.11 R)
• M6: 2,020,918 km (0.095 R)
• M7: 2,496,639 km (0.082 R)
• M8: 2,830,691 km (0.029 R)
• M9: 3,348,449 km (0.055 R)
• M10: 3,688,485 km (0.041 R)
• M11: 4,141,467 km (0.111 R)
• M12: 4,400,421 km (0.082 R)
• M13: 5,415,144 km (0.115 R)
• M14: 6,778,878 km (0.11 R)
• M15: 7,245,174 km (0.032 R)
• M16: 7,871,840 km (0.054 R)
• M17: 9,139,981 km (0.096 R)
• M18: 9,806,440 km (0.097 R)
• M19: 10,369,376 km (0.059 R)
• M20: 11,523,374 km (0.042 R)
• M21: 11,815,689 km (0.11 R)
• M22: 12,112,790 km (0.118 R)
• M23: 12,916,729 km (0.087 R)
• M24: 13,512,278 km (0.063 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 599.9

Radius: 9.4

Gravity: 6.79 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 4.96 AU - 5.72 AU

Year: 8229 Days

Day: 8.7 Hours

Environment

Temp: -234 °C

Axial Tilt: 44.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 86,835,847 km

• M1: 130,150 km (0.068 R)
• M2: 907,311 km (0.098 R)
• M3: 5,861,095 km (0.087 R)
• M4: 7,790,459 km (0.05 R)
• M5: 8,280,093 km (0.104 R)
• M6: 8,920,970 km (0.104 R)
• M7: 10,941,887 km (0.073 R)
• M8: 15,104,299 km (0.09 R)
• M9: 16,125,753 km (0.058 R)
• M10: 23,577,971 km (0.091 R)
• M11: 29,194,473 km (0.12 R)
• M12: 32,207,075 km (0.105 R)
• M13: 32,728,573 km (0.052 R)
• M14: 35,200,229 km (0.077 R)
• M15: 37,219,501 km (0.04 R)
• M16: 38,842,489 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 599.2

Radius: 11.2

Gravity: 4.78 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 4.71 AU - 6.17 AU

Year: 8461 Days

Day: 6.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 86,835,847 km

• M1: 139,276 km (0.092 R)
• M2: 1,167,312 km (0.118 R)
• M3: 1,634,955 km (0.117 R)
• M4: 2,311,885 km (0.036 R)
• M5: 2,956,054 km (0.095 R)
• M6: 3,573,444 km (0.033 R)
• M7: 5,656,894 km (0.091 R)
• M8: 6,791,743 km (0.108 R)
• M9: 7,549,905 km (0.104 R)
• M10: 7,908,940 km (0.11 R)
• M11: 9,144,918 km (0.071 R)
• M12: 9,507,543 km (0.085 R)
• M13: 9,926,866 km (0.112 R)
• M14: 10,802,911 km (0.113 R)
• M15: 11,782,627 km (0.065 R)
• M16: 12,431,433 km (0.082 R)
• M17: 16,902,914 km (0.1 R)
• M18: 18,151,009 km (0.106 R)
• M19: 23,847,546 km (0.086 R)
• M20: 26,682,575 km (0.094 R)
• M21: 27,144,982 km (0.064 R)
• M22: 28,468,325 km (0.12 R)
• M23: 29,735,120 km (0.102 R)
• M24: 30,132,302 km (0.106 R)
• M25: 36,980,444 km (0.057 R)
• M26: 38,605,526 km (0.106 R)
• M27: 40,277,731 km (0.08 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 860.5

Radius: 7.1

Gravity: 17.07 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 7.92 AU - 12.5 AU

Year: 21755 Days

Day: 19.2 Hours

Environment

Temp: -231 °C

Axial Tilt: 47.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 86,835,847 km

• M1: 92,003 km (0.063 R)
• M2: 398,978 km (0.084 R)
• M3: 628,760 km (0.107 R)
• M4: 999,463 km (0.092 R)
• M5: 1,411,456 km (0.115 R)
• M6: 2,226,016 km (0.113 R)
• M7: 2,501,426 km (0.066 R)
• M8: 2,877,814 km (0.088 R)
• M9: 5,557,262 km (0.065 R)
• M10: 8,259,598 km (0.108 R)
• M11: 9,802,251 km (0.111 R)
• M12: 13,223,554 km (0.071 R)
• M13: 14,520,867 km (0.088 R)
• M14: 31,663,885 km (0.105 R)
• M15: 33,009,219 km (0.12 R)
• M16: 43,675,398 km (0.112 R)
• M17: 44,005,261 km (0.115 R)
• M18: 52,056,768 km (0.09 R)
• M19: 55,843,988 km (0.095 R)
• M20: 64,600,549 km (0.076 R)
• M21: 76,119,735 km (0.108 R)
• M22: 86,575,878 km (0.108 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 189 - 10,872 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit