🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 75.8

Radius: 10.3

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 0.83 AU - 1.15 AU

Year: 680 Days

Day: 5.1 Hours

Environment

Temp: -173 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 67,654,918 km

• M1: 128,355 km (0.094 R)
• M2: 510,428 km (0.097 R)
• M3: 885,320 km (0.106 R)
• M4: 1,247,497 km (0.076 R)
• M5: 1,647,970 km (0.103 R)
• M6: 2,363,796 km (0.078 R)
• M7: 2,766,813 km (0.059 R)
• M8: 3,789,314 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 707.6

Radius: 8.4

Gravity: 10.03 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 1.11 AU - 1.29 AU

Year: 907 Days

Day: 13.2 Hours

Environment

Temp: -187 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 67,654,918 km

• M1: 104,868 km (0.111 R)
• M2: 371,003 km (0.109 R)
• M3: 842,236 km (0.089 R)
• M4: 1,174,942 km (0.104 R)
• M5: 1,442,123 km (0.096 R)
• M6: 1,777,223 km (0.114 R)
• M7: 2,082,402 km (0.089 R)
• M8: 2,862,106 km (0.094 R)
• M9: 3,410,383 km (0.082 R)
• M10: 3,979,303 km (0.089 R)
• M11: 4,627,661 km (0.118 R)
• M12: 5,559,506 km (0.031 R)
• M13: 6,112,120 km (0.102 R)
• M14: 7,446,982 km (0.09 R)
• M15: 8,695,227 km (0.076 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 627.2

Radius: 8.1

Gravity: 9.56 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 1.09 AU - 1.35 AU

Year: 930 Days

Day: 9 Hours

Environment

Temp: -190 °C

Axial Tilt: 41.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 67,654,918 km

• M1: 100,829 km (0.098 R)
• M2: 530,923 km (0.045 R)
• M3: 1,186,012 km (0.082 R)
• M4: 1,453,194 km (0.118 R)
• M5: 1,770,042 km (0.092 R)
• M6: 2,132,667 km (0.113 R)
• M7: 2,453,555 km (0.094 R)
• M8: 3,329,749 km (0.079 R)
• M9: 3,839,429 km (0.077 R)
• M10: 4,484,645 km (0.09 R)
• M11: 4,977,869 km (0.102 R)
• M12: 5,428,907 km (0.099 R)
• M13: 6,456,195 km (0.11 R)
• M14: 6,788,303 km (0.109 R)
• M15: 7,438,754 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 401.3

Radius: 13.1

Gravity: 2.34 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 2.48 AU - 4 AU

Year: 4026 Days

Day: 8.1 Hours

Environment

Temp: -215 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 67,654,918 km

• M1: 169,794 km (0.099 R)
• M2: 692,189 km (0.074 R)
• M3: 1,175,540 km (0.116 R)
• M4: 2,075,521 km (0.118 R)
• M5: 2,811,243 km (0.072 R)
• M6: 3,893,285 km (0.084 R)
• M7: 4,507,982 km (0.088 R)
• M8: 5,089,170 km (0.112 R)
• M9: 5,746,353 km (0.104 R)
• M10: 6,178,392 km (0.108 R)
• M11: 8,129,447 km (0.028 R)
• M12: 9,994,335 km (0.041 R)
• M13: 14,015,825 km (0.098 R)
• M14: 15,309,098 km (0.065 R)
• M15: 20,778,247 km (0.051 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 588.6

Radius: 3.1

Gravity: 61.25 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 9.61 AU - 10.09 AU

Year: 21339 Days

Day: 22 Hours

Environment

Temp: -230 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 67,654,918 km

• M1: 40,242 km (0.073 R)
• M2: 208,240 km (0.053 R)
• M3: 314,305 km (0.111 R)
• M4: 422,614 km (0.088 R)
• M5: 598,242 km (0.052 R)
• M6: 875,746 km (0.109 R)
• M7: 1,557,763 km (0.076 R)
• M8: 1,804,599 km (0.103 R)
• M9: 3,111,636 km (0.105 R)
• M10: 4,083,573 km (0.119 R)
• M11: 5,016,465 km (0.067 R)
• M12: 5,318,055 km (0.071 R)
• M13: 5,434,143 km (0.1 R)
• M14: 5,792,878 km (0.069 R)
• M15: 5,998,875 km (0.083 R)
• M16: 9,362,284 km (0.088 R)
• M17: 9,531,778 km (0.094 R)
• M18: 12,461,951 km (0.116 R)
• M19: 24,623,211 km (0.094 R)
• M20: 27,517,032 km (0.115 R)
• M21: 28,098,370 km (0.027 R)
• M22: 30,382,131 km (0.096 R)
• M23: 31,632,470 km (0.076 R)
• M24: 36,001,176 km (0.108 R)
• M25: 46,236,363 km (0.067 R)
• M26: 46,399,874 km (0.12 R)
• M27: 48,055,474 km (0.099 R)
• M28: 48,391,171 km (0.04 R)
• M29: 54,705,847 km (0.071 R)
• M30: 58,822,930 km (0.09 R)
• M31: 63,949,051 km (0.081 R)
• M32: 67,877,790 km (0.082 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 375.4

Radius: 6.3

Gravity: 9.46 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 8.44 AU - 12.06 AU

Year: 22652 Days

Day: 20.9 Hours

Environment

Temp: -234 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 67,654,918 km

• M1: 83,775 km (0.08 R)
• M2: 349,909 km (0.104 R)
• M3: 1,047,933 km (0.108 R)
• M4: 1,350,270 km (0.106 R)
• M5: 2,853,280 km (0.106 R)
• M6: 3,050,899 km (0.04 R)
• M7: 3,757,151 km (0.12 R)
• M8: 4,838,743 km (0.082 R)
• M9: 6,033,282 km (0.087 R)
• M10: 6,318,715 km (0.087 R)
• M11: 7,412,574 km (0.067 R)
• M12: 8,729,784 km (0.072 R)
• M13: 9,095,251 km (0.06 R)
• M14: 9,525,495 km (0.038 R)
• M15: 10,601,403 km (0.08 R)
• M16: 11,568,553 km (0.118 R)
• M17: 12,137,623 km (0.075 R)
• M18: 14,602,099 km (0.051 R)
• M19: 14,821,409 km (0.112 R)
• M20: 17,876,347 km (0.045 R)
• M21: 22,861,995 km (0.049 R)
• M22: 24,367,100 km (0.119 R)
• M23: 25,936,980 km (0.073 R)
• M24: 32,518,388 km (0.107 R)
• M25: 36,525,966 km (0.101 R)
• M26: 37,066,014 km (0.074 R)
• M27: 37,748,330 km (0.08 R)
• M28: 38,439,173 km (0.086 R)
• M29: 39,279,165 km (0.077 R)
• M30: 40,274,440 km (0.064 R)
• M31: 47,878,499 km (0.069 R)
• M32: 49,835,987 km (0.093 R)
• M33: 53,562,022 km (0.108 R)
• M34: 56,027,395 km (0.113 R)
• M35: 56,925,879 km (0.07 R)
• M36: 63,680,822 km (0.09 R)
• M37: 64,659,341 km (0.102 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 383 - 12,755 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit