🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 924.9

Radius: 10.3

Gravity: 8.72 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 0.58 AU - 0.66 AU

Year: 326 Days

Day: 5.7 Hours

Environment

Temp: -151 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 28,230,335 km

• M1: 128,056 km (0.066 R)
• M2: 475,871 km (0.103 R)
• M3: 926,609 km (0.106 R)
• M4: 1,261,409 km (0.096 R)
• M5: 1,623,586 km (0.093 R)
• M6: 2,544,959 km (0.12 R)
• M7: 2,961,888 km (0.069 R)
• M8: 3,298,483 km (0.082 R)
• M9: 4,247,832 km (0.069 R)
• M10: 4,677,925 km (0.064 R)
• M11: 5,275,868 km (0.027 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 252.2

Radius: 12

Gravity: 1.75 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.8 AU - 0.94 AU

Year: 541 Days

Day: 13.8 Hours

Environment

Temp: -159 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 28,230,335 km

• M1: 149,299 km (0.08 R)
• M2: 566,378 km (0.036 R)
• M3: 1,041,201 km (0.051 R)
• M4: 1,621,491 km (0.111 R)
• M5: 2,135,809 km (0.116 R)
• M6: 2,653,866 km (0.097 R)
• M7: 3,441,499 km (0.083 R)
• M8: 4,815,555 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 647.6

Radius: 13.4

Gravity: 3.61 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.77 AU - 1.11 AU

Year: 608 Days

Day: 6.1 Hours

Environment

Temp: -174 °C

Axial Tilt: 41.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 28,230,335 km

• M1: 166,652 km (0.111 R)
• M2: 584,928 km (0.1 R)
• M3: 1,171,501 km (0.056 R)
• M4: 1,977,385 km (0.089 R)
• M5: 2,511,000 km (0.103 R)
• M6: 3,116,572 km (0.115 R)
• M7: 3,873,238 km (0.054 R)
• M8: 4,303,183 km (0.066 R)
• M9: 5,450,748 km (0.106 R)
• M10: 5,900,290 km (0.097 R)
• M11: 6,413,859 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 262.6

Radius: 13.3

Gravity: 1.48 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 2.11 AU - 2.75 AU

Year: 2526 Days

Day: 6.1 Hours

Environment

Temp: -214 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 28,230,335 km

• M1: 165,455 km (0.051 R)
• M2: 790,924 km (0.119 R)
• M3: 1,336,657 km (0.092 R)
• M4: 1,967,810 km (0.106 R)
• M5: 2,903,844 km (0.111 R)
• M6: 3,820,580 km (0.092 R)
• M7: 5,470,046 km (0.111 R)
• M8: 6,012,189 km (0.09 R)
• M9: 8,849,612 km (0.103 R)
• M10: 9,890,663 km (0.076 R)
• M11: 13,505,995 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 944

Radius: 10

Gravity: 9.44 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 2.48 AU - 3.62 AU

Year: 3552 Days

Day: 11 Hours

Environment

Temp: -218 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 28,230,335 km

• M1: 124,316 km (0.07 R)
• M2: 435,779 km (0.104 R)
• M3: 1,285,794 km (0.099 R)
• M4: 2,139,848 km (0.073 R)
• M5: 2,632,773 km (0.106 R)
• M6: 3,014,397 km (0.079 R)
• M7: 3,393,478 km (0.118 R)
• M8: 4,202,055 km (0.072 R)
• M9: 5,482,912 km (0.037 R)
• M10: 7,607,501 km (0.101 R)
• M11: 8,387,055 km (0.1 R)
• M12: 9,376,047 km (0.035 R)
• M13: 10,146,625 km (0.084 R)
• M14: 11,091,037 km (0.106 R)
• M15: 14,015,675 km (0.052 R)
• M16: 14,914,459 km (0.115 R)
• M17: 15,516,291 km (0.07 R)
• M18: 18,086,383 km (0.098 R)
• M19: 18,457,535 km (0.097 R)
• M20: 18,833,923 km (0.059 R)
• M21: 19,343,453 km (0.066 R)
• M22: 21,751,680 km (0.103 R)
• M23: 22,883,537 km (0.084 R)
• M24: 23,905,590 km (0.08 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 242.9

Radius: 14.6

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 4.69 AU - 5.43 AU

Year: 7590 Days

Day: 14.8 Hours

Environment

Temp: -232 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 28,230,335 km

• M1: 181,612 km (0.093 R)
• M2: 1,353,562 km (0.07 R)
• M3: 1,949,859 km (0.096 R)
• M4: 2,458,641 km (0.07 R)
• M5: 2,965,479 km (0.079 R)
• M6: 4,102,722 km (0.115 R)
• M7: 4,950,792 km (0.081 R)
• M8: 5,430,852 km (0.074 R)
• M9: 6,996,543 km (0.111 R)
• M10: 7,534,347 km (0.078 R)
• M11: 8,884,767 km (0.116 R)
• M12: 9,557,060 km (0.108 R)
• M13: 10,694,453 km (0.054 R)
• M14: 11,547,609 km (0.052 R)
• M15: 16,161,656 km (0.062 R)
• M16: 16,628,701 km (0.079 R)
• M17: 19,036,479 km (0.074 R)
• M18: 19,755,745 km (0.04 R)
• M19: 21,318,295 km (0.082 R)
• M20: 25,544,136 km (0.076 R)
• M21: 26,742,863 km (0.037 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 519 - 12,630 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit