🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.15

Radius: 0.47

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.44 AU - 0.68 AU

Year: 275 Days

Day: 38.9 Hours

Environment

Temp: -124 °C

Axial Tilt: 57 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 0.91 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 97.7

Radius: 8.1

Gravity: 1.49 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 1.17 AU - 1.35 AU

Year: 928 Days

Day: 12.6 Hours

Environment

Temp: -180 °C

Axial Tilt: 101.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 47,530,956 km

• M1: 102,325 km (0.073 R)
• M2: 387,907 km (0.088 R)
• M3: 888,761 km (0.098 R)
• M4: 1,675,945 km (0.081 R)
• M5: 1,994,588 km (0.049 R)
• M6: 2,389,078 km (0.087 R)
• M7: 3,334,985 km (0.051 R)
• M8: 3,732,467 km (0.093 R)
• M9: 4,374,242 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 520.7

Radius: 9.7

Gravity: 5.53 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 1.59 AU - 2.21 AU

Year: 1718 Days

Day: 12.1 Hours

Environment

Temp: -183 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 47,530,956 km

• M1: 120,576 km (0.084 R)
• M2: 427,551 km (0.107 R)
• M3: 740,509 km (0.049 R)
• M4: 1,156,541 km (0.058 R)
• M5: 2,253,991 km (0.102 R)
• M6: 2,641,450 km (0.107 R)
• M7: 3,649,590 km (0.097 R)
• M8: 4,078,786 km (0.082 R)
• M9: 4,446,198 km (0.079 R)
• M10: 5,375,949 km (0.078 R)
• M11: 5,728,102 km (0.039 R)
• M12: 7,110,237 km (0.1 R)
• M13: 9,376,645 km (0.081 R)
• M14: 12,616,037 km (0.078 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 782.3

Radius: 14

Gravity: 3.99 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 2.63 AU - 2.95 AU

Year: 3057 Days

Day: 9.4 Hours

Environment

Temp: -209 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 47,530,956 km

• M1: 177,423 km (0.105 R)
• M2: 623,225 km (0.097 R)
• M3: 1,200,673 km (0.073 R)
• M4: 1,993,242 km (0.113 R)
• M5: 2,516,685 km (0.098 R)
• M6: 3,132,131 km (0.103 R)
• M7: 4,265,334 km (0.057 R)
• M8: 5,096,650 km (0.107 R)
• M9: 5,762,360 km (0.096 R)
• M10: 6,690,466 km (0.053 R)
• M11: 7,144,196 km (0.055 R)
• M12: 8,283,832 km (0.098 R)
• M13: 8,772,419 km (0.108 R)
• M14: 9,317,255 km (0.065 R)
• M15: 11,298,678 km (0.078 R)
• M16: 12,660,318 km (0.05 R)
• M17: 13,168,951 km (0.099 R)
• M18: 16,404,304 km (0.109 R)
• M19: 17,176,977 km (0.038 R)
• M20: 22,000,910 km (0.088 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 979.4

Radius: 11.4

Gravity: 7.54 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 2.97 AU - 4.41 AU

Year: 4650 Days

Day: 9.2 Hours

Environment

Temp: -204 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 47,530,956 km

• M1: 142,268 km (0.118 R)
• M2: 524,191 km (0.117 R)
• M3: 888,761 km (0.098 R)
• M4: 1,421,329 km (0.108 R)
• M5: 1,940,584 km (0.095 R)
• M6: 2,481,679 km (0.083 R)
• M7: 3,082,315 km (0.102 R)
• M8: 3,449,428 km (0.103 R)
• M9: 3,823,123 km (0.054 R)
• M10: 4,705,302 km (0.111 R)
• M11: 5,194,786 km (0.095 R)
• M12: 5,718,079 km (0.118 R)
• M13: 6,503,169 km (0.101 R)
• M14: 7,647,742 km (0.095 R)
• M15: 9,168,255 km (0.072 R)
• M16: 10,559,067 km (0.114 R)
• M17: 11,257,539 km (0.071 R)
• M18: 12,438,764 km (0.101 R)
• M19: 14,307,092 km (0.114 R)
• M20: 14,759,176 km (0.096 R)
• M21: 19,611,234 km (0.053 R)
• M22: 24,060,125 km (0.061 R)
• M23: 24,538,988 km (0.038 R)
• M24: 28,159,406 km (0.101 R)
• M25: 29,410,941 km (0.102 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 977.7

Radius: 8

Gravity: 15.28 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 4.67 AU - 7.31 AU

Year: 9617 Days

Day: 24.2 Hours

Environment

Temp: -227 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 47,530,956 km

• M1: 119,977 km (0.116 R)
• M2: 400,473 km (0.039 R)
• M3: 789,278 km (0.104 R)
• M4: 1,076,207 km (0.102 R)
• M5: 1,366,277 km (0.097 R)
• M6: 1,985,613 km (0.085 R)
• M7: 2,487,364 km (0.114 R)
• M8: 2,911,623 km (0.027 R)
• M9: 3,987,830 km (0.106 R)
• M10: 4,449,340 km (0.026 R)
• M11: 5,410,506 km (0.057 R)
• M12: 6,050,037 km (0.087 R)
• M13: 10,076,913 km (0.034 R)
• M14: 12,367,106 km (0.094 R)
• M15: 12,912,690 km (0.092 R)
• M16: 14,915,357 km (0.108 R)
• M17: 15,325,554 km (0.114 R)
• M18: 18,411,459 km (0.118 R)
• M19: 23,047,347 km (0.111 R)
• M20: 24,059,526 km (0.079 R)
• M21: 27,990,958 km (0.063 R)
• M22: 28,301,972 km (0.08 R)
• M23: 29,036,797 km (0.104 R)
• M24: 31,990,308 km (0.087 R)
• M25: 42,724,105 km (0.096 R)
• M26: 44,813,239 km (0.11 R)
• M27: 47,408,912 km (0.057 R)
• M28: 47,850,973 km (0.11 R)
• M29: 48,444,727 km (0.083 R)
• M30: 50,255,609 km (0.101 R)
• M31: 50,869,260 km (0.05 R)
• M32: 51,643,130 km (0.079 R)
• M33: 52,267,850 km (0.072 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 284.6

Radius: 4.6

Gravity: 13.45 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 7.53 AU - 8.81 AU

Year: 15319 Days

Day: 18.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 47,530,956 km

• M1: 57,296 km (0.034 R)
• M2: 425,756 km (0.081 R)
• M3: 844,330 km (0.119 R)
• M4: 1,012,478 km (0.05 R)
• M5: 2,600,909 km (0.106 R)
• M6: 3,118,368 km (0.115 R)
• M7: 4,441,262 km (0.085 R)
• M8: 5,307,433 km (0.045 R)
• M9: 7,998,849 km (0.076 R)
• M10: 9,082,386 km (0.109 R)
• M11: 11,208,022 km (0.073 R)
• M12: 13,459,021 km (0.11 R)
• M13: 15,450,169 km (0.114 R)
• M14: 15,857,075 km (0.089 R)
• M15: 18,907,376 km (0.103 R)
• M16: 20,085,160 km (0.061 R)
• M17: 20,814,898 km (0.075 R)
• M18: 26,521,010 km (0.113 R)
• M19: 31,534,932 km (0.115 R)
• M20: 37,630,447 km (0.083 R)
• M21: 38,119,931 km (0.074 R)
• M22: 42,453,931 km (0.095 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: 331 - 19,010 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit