🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.54 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 902.7

Radius: 9.9

Gravity: 9.21 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 0.99 AU - 1.17 AU

Year: 748 Days

Day: 6 Hours

Environment

Temp: -176 °C

Axial Tilt: 42.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 48,075,870 km

• M1: 124,465 km (0.1 R)
• M2: 475,572 km (0.096 R)
• M3: 820,245 km (0.09 R)
• M4: 1,486,554 km (0.085 R)
• M5: 1,801,906 km (0.101 R)
• M6: 2,426,029 km (0.081 R)
• M7: 2,868,390 km (0.112 R)
• M8: 3,215,008 km (0.11 R)
• M9: 3,946,691 km (0.042 R)
• M10: 4,715,923 km (0.087 R)
• M11: 5,640,588 km (0.033 R)
• M12: 5,981,222 km (0.118 R)
• M13: 6,399,498 km (0.08 R)
• M14: 6,995,047 km (0.086 R)
• M15: 7,483,633 km (0.04 R)
• M16: 8,170,138 km (0.12 R)
• M17: 8,764,939 km (0.11 R)
• M18: 9,086,724 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 690.5

Radius: 10

Gravity: 6.91 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 2.2 AU - 2.94 AU

Year: 2747 Days

Day: 14 Hours

Environment

Temp: -205 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 48,075,870 km

• M1: 165,754 km (0.059 R)
• M2: 632,201 km (0.081 R)
• M3: 1,066,184 km (0.047 R)
• M4: 1,609,374 km (0.108 R)
• M5: 2,206,868 km (0.11 R)
• M6: 2,755,294 km (0.052 R)
• M7: 3,612,938 km (0.084 R)
• M8: 5,954,594 km (0.112 R)
• M9: 6,332,927 km (0.098 R)
• M10: 7,018,982 km (0.103 R)
• M11: 8,471,727 km (0.115 R)
• M12: 8,986,045 km (0.053 R)
• M13: 9,304,688 km (0.093 R)
• M14: 10,460,182 km (0.086 R)
• M15: 11,708,876 km (0.087 R)
• M16: 14,939,143 km (0.081 R)
• M17: 15,946,684 km (0.103 R)
• M18: 16,362,118 km (0.088 R)
• M19: 17,596,898 km (0.07 R)
• M20: 18,152,654 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 772.3

Radius: 9.1

Gravity: 9.33 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 2.77 AU - 4.41 AU

Year: 4536 Days

Day: 6.1 Hours

Environment

Temp: -210 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 48,075,870 km

• M1: 116,836 km (0.078 R)
• M2: 697,126 km (0.077 R)
• M3: 1,551,629 km (0.103 R)
• M4: 2,646,536 km (0.112 R)
• M5: 2,950,369 km (0.12 R)
• M6: 3,758,497 km (0.05 R)
• M7: 4,456,371 km (0.108 R)
• M8: 5,719,875 km (0.107 R)
• M9: 7,275,992 km (0.04 R)
• M10: 7,912,830 km (0.1 R)
• M11: 12,789,870 km (0.086 R)
• M12: 13,094,152 km (0.037 R)
• M13: 18,839,458 km (0.046 R)
• M14: 19,299,920 km (0.067 R)
• M15: 20,935,773 km (0.1 R)
• M16: 21,931,646 km (0.071 R)
• M17: 22,222,016 km (0.071 R)
• M18: 23,108,233 km (0.095 R)
• M19: 25,108,955 km (0.072 R)
• M20: 26,807,041 km (0.111 R)
• M21: 27,895,964 km (0.059 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 759.2

Radius: 12

Gravity: 5.27 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 4.4 AU - 5.18 AU

Year: 6991 Days

Day: 7.3 Hours

Environment

Temp: -230 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 48,075,870 km

• M1: 149,448 km (0.105 R)
• M2: 687,253 km (0.067 R)
• M3: 1,733,690 km (0.079 R)
• M4: 2,529,999 km (0.103 R)
• M5: 3,510,314 km (0.1 R)
• M6: 4,589,812 km (0.069 R)
• M7: 10,496,983 km (0.101 R)
• M8: 11,961,247 km (0.119 R)
• M9: 12,496,509 km (0.118 R)
• M10: 14,738,083 km (0.101 R)
• M11: 18,408,317 km (0.083 R)
• M12: 19,929,129 km (0.086 R)
• M13: 20,530,064 km (0.084 R)
• M14: 27,129,424 km (0.086 R)
• M15: 28,430,178 km (0.109 R)
• M16: 32,272,749 km (0.107 R)
• M17: 36,671,973 km (0.117 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 151.3

Radius: 5.6

Gravity: 4.82 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 8.83 AU - 11.35 AU

Year: 21373 Days

Day: 15.5 Hours

Environment

Temp: -234 °C

Axial Tilt: 47 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 48,075,870 km

• M1: 81,082 km (0.102 R)
• M2: 277,504 km (0.045 R)
• M3: 471,233 km (0.117 R)
• M4: 903,721 km (0.073 R)
• M5: 1,327,382 km (0.119 R)
• M6: 4,444,254 km (0.11 R)
• M7: 5,786,894 km (0.099 R)
• M8: 7,136,118 km (0.057 R)
• M9: 7,840,873 km (0.057 R)
• M10: 8,232,221 km (0.103 R)
• M11: 9,484,804 km (0.081 R)
• M12: 11,959,452 km (0.071 R)
• M13: 12,361,571 km (0.055 R)
• M14: 15,297,878 km (0.093 R)
• M15: 23,918,755 km (0.062 R)
• M16: 24,741,094 km (0.05 R)
• M17: 25,676,679 km (0.1 R)
• M18: 28,931,480 km (0.106 R)
• M19: 31,791,044 km (0.119 R)
• M20: 36,007,759 km (0.045 R)
• M21: 43,343,889 km (0.099 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 539 - 16,998 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit