🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.03 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 692.7

Radius: 13.7

Gravity: 3.69 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 2.04 AU - 2.08 AU

Year: 1880 Days

Day: 9.2 Hours

Environment

Temp: -188 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 42,471,115 km

• M1: 170,392 km (0.119 R)
• M2: 635,641 km (0.091 R)
• M3: 1,377,796 km (0.117 R)
• M4: 1,812,677 km (0.084 R)
• M5: 2,482,427 km (0.089 R)
• M6: 3,698,059 km (0.078 R)
• M7: 6,321,258 km (0.118 R)
• M8: 9,394,297 km (0.094 R)
• M9: 11,862,363 km (0.072 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 198

Radius: 10.5

Gravity: 1.8 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 1.97 AU - 3.25 AU

Year: 2681 Days

Day: 8 Hours

Environment

Temp: -199 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 42,471,115 km

• M1: 1,241,962 km (0.099 R)
• M2: 1,840,951 km (0.072 R)
• M3: 2,769,356 km (0.103 R)
• M4: 3,377,322 km (0.111 R)
• M5: 4,036,899 km (0.105 R)
• M6: 4,379,328 km (0.113 R)
• M7: 4,800,147 km (0.051 R)
• M8: 7,509,813 km (0.069 R)
• M9: 9,297,059 km (0.105 R)
• M10: 10,489,803 km (0.116 R)
• M11: 12,260,144 km (0.086 R)
• M12: 12,866,464 km (0.089 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 459.9

Radius: 8.5

Gravity: 6.37 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 2.67 AU - 3.53 AU

Year: 3470 Days

Day: 13.9 Hours

Environment

Temp: -200 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 42,471,115 km

• M1: 128,205 km (0.086 R)
• M2: 613,800 km (0.047 R)
• M3: 923,318 km (0.061 R)
• M4: 1,291,778 km (0.1 R)
• M5: 2,061,010 km (0.065 R)
• M6: 5,020,355 km (0.093 R)
• M7: 5,690,853 km (0.093 R)
• M8: 6,504,366 km (0.102 R)
• M9: 8,945,354 km (0.061 R)
• M10: 10,311,632 km (0.088 R)
• M11: 20,480,846 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 347.9

Radius: 12.7

Gravity: 2.16 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 4.07 AU - 6.63 AU

Year: 7868 Days

Day: 5.3 Hours

Environment

Temp: -218 °C

Axial Tilt: 88.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 42,471,115 km

• M1: 158,125 km (0.111 R)
• M2: 702,063 km (0.099 R)
• M3: 1,302,549 km (0.091 R)
• M4: 2,754,845 km (0.113 R)
• M5: 3,634,181 km (0.116 R)
• M6: 4,771,424 km (0.064 R)
• M7: 5,946,216 km (0.08 R)
• M8: 7,888,296 km (0.108 R)
• M9: 9,440,673 km (0.119 R)
• M10: 10,674,855 km (0.051 R)
• M11: 12,365,610 km (0.092 R)
• M12: 17,976,578 km (0.118 R)
• M13: 19,658,507 km (0.096 R)
• M14: 25,415,033 km (0.076 R)
• M15: 27,270,645 km (0.106 R)
• M16: 29,852,704 km (0.08 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 517.2

Radius: 3.1

Gravity: 53.82 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 6.62 AU - 8.78 AU

Year: 13585 Days

Day: 16.7 Hours

Environment

Temp: -220 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 42,471,115 km

• M1: 39,195 km (0.042 R)
• M2: 194,926 km (0.071 R)
• M3: 460,163 km (0.109 R)
• M4: 806,183 km (0.086 R)
• M5: 1,251,087 km (0.102 R)
• M6: 1,679,087 km (0.073 R)
• M7: 1,858,155 km (0.064 R)
• M8: 2,049,940 km (0.081 R)
• M9: 2,197,443 km (0.11 R)
• M10: 2,432,162 km (0.028 R)
• M11: 2,576,524 km (0.104 R)
• M12: 3,067,953 km (0.051 R)
• M13: 3,335,733 km (0.064 R)
• M14: 3,725,885 km (0.095 R)
• M15: 5,417,687 km (0.101 R)
• M16: 6,332,777 km (0.116 R)
• M17: 6,928,775 km (0.107 R)
• M18: 8,185,247 km (0.098 R)
• M19: 8,462,901 km (0.049 R)
• M20: 11,944,792 km (0.09 R)
• M21: 14,261,464 km (0.107 R)
• M22: 16,786,676 km (0.119 R)
• M23: 23,803,116 km (0.094 R)
• M24: 34,305,634 km (0.044 R)
• M25: 39,040,257 km (0.092 R)
• M26: 41,023,027 km (0.087 R)
• M27: 43,910,117 km (0.083 R)
• M28: 46,198,665 km (0.108 R)
• M29: 46,636,388 km (0.071 R)
• M30: 47,076,954 km (0.061 R)
• M31: 51,323,140 km (0.091 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 244.6

Radius: 4.7

Gravity: 11.07 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 6.91 AU - 8.77 AU

Year: 13957 Days

Day: 24.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 42,471,115 km

• M1: 59,540 km (0.087 R)
• M2: 228,885 km (0.097 R)
• M3: 574,456 km (0.089 R)
• M4: 786,885 km (0.115 R)
• M5: 1,358,947 km (0.115 R)
• M6: 1,555,070 km (0.07 R)
• M7: 1,939,985 km (0.078 R)
• M8: 2,613,176 km (0.071 R)
• M9: 3,067,953 km (0.079 R)
• M10: 3,223,236 km (0.059 R)
• M11: 4,690,492 km (0.083 R)
• M12: 7,230,963 km (0.109 R)
• M13: 8,680,865 km (0.116 R)
• M14: 9,544,045 km (0.086 R)
• M15: 12,419,017 km (0.101 R)
• M16: 13,276,961 km (0.087 R)
• M17: 14,919,994 km (0.027 R)
• M18: 18,166,866 km (0.12 R)
• M19: 32,019,330 km (0.095 R)
• M20: 33,084,616 km (0.116 R)
• M21: 34,837,903 km (0.032 R)
• M22: 38,647,712 km (0.111 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: 464 - 19,427 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit