🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.63

Radius: 0.83

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.43 AU - 0.61 AU

Year: 242 Days

Day: 14.3 Hours

Environment

Temp: -114 °C

Axial Tilt: 27.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 695.3

Radius: 12.8

Gravity: 4.24 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.82 AU - 1.22 AU

Year: 665 Days

Day: 9 Hours

Environment

Temp: -151 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 52,831,647 km

• M1: 159,471 km (0.108 R)
• M2: 577,747 km (0.11 R)
• M3: 1,037,760 km (0.099 R)
• M4: 1,594,265 km (0.067 R)
• M5: 3,507,322 km (0.076 R)
• M6: 4,082,077 km (0.097 R)
• M7: 4,510,376 km (0.085 R)
• M8: 5,770,588 km (0.054 R)
• M9: 6,371,972 km (0.067 R)
• M10: 6,929,523 km (0.077 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 715.2

Radius: 10

Gravity: 7.15 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 2.09 AU - 2.77 AU

Year: 2446 Days

Day: 13.2 Hours

Environment

Temp: -192 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 52,831,647 km

• M1: 170,841 km (0.118 R)
• M2: 681,717 km (0.072 R)
• M3: 1,005,896 km (0.117 R)
• M4: 1,370,167 km (0.114 R)
• M5: 2,347,191 km (0.094 R)
• M6: 2,905,490 km (0.114 R)
• M7: 3,354,283 km (0.111 R)
• M8: 4,476,417 km (0.109 R)
• M9: 4,848,617 km (0.107 R)
• M10: 5,934,996 km (0.114 R)
• M11: 6,915,162 km (0.082 R)
• M12: 7,534,796 km (0.073 R)
• M13: 9,510,535 km (0.06 R)
• M14: 10,239,675 km (0.096 R)
• M15: 11,362,706 km (0.054 R)
• M16: 12,310,110 km (0.089 R)
• M17: 13,488,642 km (0.074 R)
• M18: 14,550,487 km (0.105 R)
• M19: 15,567,902 km (0.046 R)
• M20: 16,272,060 km (0.036 R)
• M21: 16,788,023 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 238.1

Radius: 12.4

Gravity: 1.55 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 2.58 AU - 2.96 AU

Year: 2977 Days

Day: 7.2 Hours

Environment

Temp: -208 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 52,831,647 km

• M1: 157,227 km (0.116 R)
• M2: 1,029,533 km (0.099 R)
• M3: 1,429,557 km (0.108 R)
• M4: 2,126,833 km (0.045 R)
• M5: 2,696,352 km (0.097 R)
• M6: 4,468,488 km (0.108 R)
• M7: 7,402,851 km (0.1 R)
• M8: 8,905,412 km (0.106 R)
• M9: 9,448,751 km (0.109 R)
• M10: 9,879,294 km (0.112 R)
• M11: 10,288,145 km (0.102 R)
• M12: 12,466,290 km (0.035 R)
• M13: 13,106,419 km (0.095 R)
• M14: 14,064,893 km (0.105 R)
• M15: 14,539,567 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 390

Radius: 13.7

Gravity: 2.08 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 4.51 AU - 5.69 AU

Year: 7437 Days

Day: 14.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 52,831,647 km

• M1: 173,534 km (0.1 R)
• M2: 677,230 km (0.092 R)
• M3: 1,400,834 km (0.104 R)
• M4: 1,826,889 km (0.12 R)
• M5: 2,858,965 km (0.117 R)
• M6: 3,603,214 km (0.117 R)
• M7: 8,089,954 km (0.111 R)
• M8: 9,161,374 km (0.06 R)
• M9: 10,734,395 km (0.085 R)
• M10: 11,585,457 km (0.094 R)
• M11: 15,095,472 km (0.058 R)
• M12: 16,224,787 km (0.112 R)
• M13: 19,123,545 km (0.111 R)
• M14: 20,875,336 km (0.107 R)
• M15: 21,678,975 km (0.112 R)
• M16: 22,731,696 km (0.066 R)
• M17: 27,285,754 km (0.117 R)
• M18: 27,894,767 km (0.037 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 426.5

Radius: 3.6

Gravity: 32.91 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 7.51 AU - 8.53 AU

Year: 14665 Days

Day: 16.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 52,831,647 km

• M1: 44,730 km (0.029 R)
• M2: 327,619 km (0.118 R)
• M3: 591,660 km (0.091 R)
• M4: 792,869 km (0.093 R)
• M5: 994,078 km (0.094 R)
• M6: 1,710,502 km (0.119 R)
• M7: 2,327,444 km (0.114 R)
• M8: 4,040,040 km (0.028 R)
• M9: 4,602,977 km (0.096 R)
• M10: 5,702,072 km (0.08 R)
• M11: 5,919,139 km (0.085 R)
• M12: 7,381,757 km (0.102 R)
• M13: 9,820,502 km (0.047 R)
• M14: 10,831,035 km (0.062 R)
• M15: 12,747,534 km (0.101 R)
• M16: 14,946,473 km (0.103 R)
• M17: 15,428,627 km (0.075 R)
• M18: 16,207,134 km (0.097 R)
• M19: 17,011,522 km (0.091 R)
• M20: 17,765,495 km (0.099 R)
• M21: 18,778,572 km (0.097 R)
• M22: 19,912,075 km (0.056 R)
• M23: 22,136,595 km (0.114 R)
• M24: 26,468,052 km (0.118 R)
• M25: 27,071,679 km (0.084 R)
• M26: 27,890,578 km (0.054 R)
• M27: 28,620,616 km (0.073 R)
• M28: 33,855,045 km (0.115 R)
• M29: 36,263,421 km (0.11 R)
• M30: 40,086,245 km (0.056 R)
• M31: 45,017,739 km (0.069 R)
• M32: 46,310,714 km (0.1 R)
• M33: 46,601,382 km (0.106 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 145 - 12,648 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit