🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.63 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 420.9

Radius: 14.6

Gravity: 1.97 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 1.18 AU - 1.32 AU

Year: 948 Days

Day: 5.3 Hours

Environment

Temp: -190 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 54,331,136 km

• M1: 181,612 km (0.09 R)
• M2: 654,640 km (0.092 R)
• M3: 1,145,022 km (0.04 R)
• M4: 1,629,719 km (0.096 R)
• M5: 2,719,839 km (0.114 R)
• M6: 3,224,582 km (0.092 R)
• M7: 3,878,474 km (0.118 R)
• M8: 4,362,723 km (0.114 R)
• M9: 4,853,553 km (0.069 R)
• M10: 5,869,622 km (0.082 R)
• M11: 6,428,669 km (0.032 R)
• M12: 7,538,985 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 960.9

Radius: 11.4

Gravity: 7.39 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 1.81 AU - 2.83 AU

Year: 2397 Days

Day: 6.9 Hours

Environment

Temp: -205 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 54,331,136 km

• M1: 141,968 km (0.077 R)
• M2: 528,828 km (0.047 R)
• M3: 1,287,888 km (0.107 R)
• M4: 1,869,525 km (0.047 R)
• M5: 2,696,651 km (0.081 R)
• M6: 3,451,971 km (0.093 R)
• M7: 3,989,925 km (0.083 R)
• M8: 4,451,135 km (0.025 R)
• M9: 4,808,973 km (0.11 R)
• M10: 5,506,698 km (0.109 R)
• M11: 6,985,024 km (0.088 R)
• M12: 7,594,785 km (0.109 R)
• M13: 8,306,123 km (0.046 R)
• M14: 11,069,195 km (0.108 R)
• M15: 11,520,382 km (0.099 R)
• M16: 14,491,097 km (0.084 R)
• M17: 16,362,716 km (0.077 R)
• M18: 19,141,048 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 564.4

Radius: 14

Gravity: 2.88 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 1.98 AU - 2.82 AU

Year: 2522 Days

Day: 5.2 Hours

Environment

Temp: -197 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 54,331,136 km

• M1: 174,132 km (0.097 R)
• M2: 829,969 km (0.081 R)
• M3: 1,586,336 km (0.047 R)
• M4: 3,675,769 km (0.098 R)
• M5: 4,166,301 km (0.103 R)
• M6: 4,658,029 km (0.084 R)
• M7: 5,958,633 km (0.113 R)
• M8: 6,859,212 km (0.045 R)
• M9: 7,757,846 km (0.114 R)
• M10: 11,237,194 km (0.069 R)
• M11: 12,653,885 km (0.096 R)
• M12: 13,515,270 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 225.8

Radius: 9.9

Gravity: 2.3 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 4.19 AU - 4.27 AU

Year: 5901 Days

Day: 11.8 Hours

Environment

Temp: -213 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 54,331,136 km

• M1: 123,119 km (0.085 R)
• M2: 463,903 km (0.118 R)
• M3: 994,227 km (0.058 R)
• M4: 1,384,528 km (0.062 R)
• M5: 1,743,563 km (0.096 R)
• M6: 2,248,755 km (0.065 R)
• M7: 3,495,205 km (0.116 R)
• M8: 5,254,176 km (0.082 R)
• M9: 5,752,936 km (0.05 R)
• M10: 6,906,485 km (0.067 R)
• M11: 8,771,671 km (0.063 R)
• M12: 12,031,259 km (0.103 R)
• M13: 14,656,403 km (0.089 R)
• M14: 18,881,346 km (0.082 R)
• M15: 21,533,267 km (0.049 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 643.5

Radius: 8.8

Gravity: 8.31 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 3.84 AU - 6.08 AU

Year: 7492 Days

Day: 11.7 Hours

Environment

Temp: -230 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 54,331,136 km

• M1: 109,506 km (0.099 R)
• M2: 404,662 km (0.065 R)
• M3: 1,152,053 km (0.09 R)
• M4: 1,911,113 km (0.085 R)
• M5: 3,443,893 km (0.116 R)
• M6: 5,023,796 km (0.075 R)
• M7: 5,570,576 km (0.028 R)
• M8: 6,360,602 km (0.099 R)
• M9: 6,675,356 km (0.093 R)
• M10: 7,185,784 km (0.05 R)
• M11: 8,284,730 km (0.069 R)
• M12: 8,618,483 km (0.108 R)
• M13: 11,568,403 km (0.103 R)
• M14: 14,283,904 km (0.093 R)
• M15: 16,335,489 km (0.118 R)
• M16: 21,557,203 km (0.087 R)
• M17: 26,156,888 km (0.042 R)
• M18: 30,277,412 km (0.115 R)
• M19: 31,978,938 km (0.101 R)
• M20: 32,697,756 km (0.081 R)
• M21: 33,322,477 km (0.1 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 680.6

Radius: 5.2

Gravity: 25.17 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 6.01 AU - 7.65 AU

Year: 12107 Days

Day: 20.5 Hours

Environment

Temp: -235 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 54,331,136 km

• M1: 89,460 km (0.096 R)
• M2: 326,572 km (0.088 R)
• M3: 682,765 km (0.119 R)
• M4: 902,374 km (0.101 R)
• M5: 1,086,081 km (0.035 R)
• M6: 2,332,081 km (0.071 R)
• M7: 3,137,367 km (0.066 R)
• M8: 4,470,134 km (0.098 R)
• M9: 4,846,672 km (0.054 R)
• M10: 5,415,892 km (0.088 R)
• M11: 6,103,743 km (0.052 R)
• M12: 8,752,822 km (0.1 R)
• M13: 9,241,857 km (0.056 R)
• M14: 10,597,962 km (0.118 R)
• M15: 12,261,341 km (0.072 R)
• M16: 14,025,249 km (0.073 R)
• M17: 14,223,766 km (0.104 R)
• M18: 19,323,557 km (0.117 R)
• M19: 20,404,102 km (0.112 R)
• M20: 21,262,196 km (0.055 R)
• M21: 22,323,293 km (0.113 R)
• M22: 23,142,043 km (0.056 R)
• M23: 30,758,220 km (0.114 R)
• M24: 33,390,993 km (0.075 R)
• M25: 37,935,327 km (0.072 R)
• M26: 39,493,239 km (0.054 R)
• M27: 40,021,918 km (0.095 R)
• M28: 48,982,083 km (0.053 R)
• M29: 49,439,254 km (0.08 R)
• M30: 50,827,821 km (0.044 R)
• M31: 53,521,181 km (0.096 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 213 - 15,182 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit