🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 184.3

Radius: 14.6

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 0.88 AU - 0.9 AU

Year: 551 Days

Day: 11.7 Hours

Environment

Temp: -149 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 58,315,225 km

• M1: 181,612 km (0.05 R)
• M2: 662,868 km (0.112 R)
• M3: 1,655,749 km (0.075 R)
• M4: 2,674,810 km (0.09 R)
• M5: 3,130,635 km (0.103 R)
• M6: 3,605,458 km (0.066 R)
• M7: 4,226,888 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 630.6

Radius: 13.6

Gravity: 3.41 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 0.87 AU - 1.09 AU

Year: 636 Days

Day: 10.4 Hours

Environment

Temp: -153 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 58,315,225 km

• M1: 169,494 km (0.112 R)
• M2: 809,175 km (0.057 R)
• M3: 1,306,588 km (0.116 R)
• M4: 2,238,433 km (0.118 R)
• M5: 2,902,947 km (0.111 R)
• M6: 3,642,708 km (0.105 R)
• M7: 4,072,353 km (0.077 R)
• M8: 4,598,489 km (0.11 R)
• M9: 5,974,191 km (0.109 R)
• M10: 6,860,259 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 750.1

Radius: 10.1

Gravity: 7.35 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 1.06 AU - 1.38 AU

Year: 884 Days

Day: 14.8 Hours

Environment

Temp: -164 °C

Axial Tilt: 44.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 58,315,225 km

• M1: 125,662 km (0.093 R)
• M2: 483,052 km (0.114 R)
• M3: 807,380 km (0.089 R)
• M4: 1,143,377 km (0.065 R)
• M5: 1,683,724 km (0.077 R)
• M6: 2,195,349 km (0.052 R)
• M7: 2,984,777 km (0.096 R)
• M8: 3,813,848 km (0.113 R)
• M9: 4,718,616 km (0.119 R)
• M10: 5,118,342 km (0.065 R)
• M11: 5,639,690 km (0.098 R)
• M12: 6,653,964 km (0.117 R)
• M13: 7,467,327 km (0.037 R)
• M14: 8,087,710 km (0.066 R)
• M15: 8,502,545 km (0.08 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 122.7

Radius: 10.1

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 1.32 AU - 1.48 AU

Year: 1087 Days

Day: 6.7 Hours

Environment

Temp: -176 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 58,315,225 km

• M1: 126,261 km (0.089 R)
• M2: 517,160 km (0.086 R)
• M3: 915,838 km (0.117 R)
• M4: 1,773,184 km (0.089 R)
• M5: 2,088,536 km (0.106 R)
• M6: 2,866,594 km (0.111 R)
• M7: 3,316,884 km (0.077 R)
• M8: 3,972,721 km (0.069 R)
• M9: 4,958,122 km (0.118 R)
• M10: 5,491,588 km (0.054 R)
• M11: 5,956,239 km (0.08 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 637.6

Radius: 11.1

Gravity: 5.17 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 2.24 AU - 2.54 AU

Year: 2424 Days

Day: 10.4 Hours

Environment

Temp: -186 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 58,315,225 km

• M1: 138,079 km (0.113 R)
• M2: 509,530 km (0.114 R)
• M3: 866,620 km (0.114 R)
• M4: 1,419,235 km (0.105 R)
• M5: 1,918,593 km (0.087 R)
• M6: 2,275,384 km (0.073 R)
• M7: 3,076,929 km (0.093 R)
• M8: 3,446,735 km (0.099 R)
• M9: 3,846,311 km (0.079 R)
• M10: 5,544,247 km (0.114 R)
• M11: 6,225,665 km (0.027 R)
• M12: 7,544,071 km (0.072 R)
• M13: 9,040,199 km (0.102 R)
• M14: 10,649,872 km (0.109 R)
• M15: 11,423,443 km (0.093 R)
• M16: 12,233,964 km (0.033 R)
• M17: 13,039,250 km (0.065 R)
• M18: 13,834,213 km (0.053 R)
• M19: 15,039,373 km (0.047 R)
• M20: 15,521,078 km (0.067 R)
• M21: 16,464,592 km (0.11 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 690.4

Radius: 7.6

Gravity: 11.95 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 7.39 AU - 7.53 AU

Year: 13366 Days

Day: 21.7 Hours

Environment

Temp: -235 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 58,315,225 km

• M1: 793,617 km (0.119 R)
• M2: 1,862,793 km (0.116 R)
• M3: 2,879,310 km (0.034 R)
• M4: 3,164,743 km (0.103 R)
• M5: 4,136,531 km (0.04 R)
• M6: 4,755,866 km (0.108 R)
• M7: 7,328,500 km (0.107 R)
• M8: 10,595,269 km (0.088 R)
• M9: 16,455,167 km (0.089 R)
• M10: 17,293,364 km (0.097 R)
• M11: 20,322,123 km (0.056 R)
• M12: 26,057,705 km (0.098 R)
• M13: 28,043,318 km (0.116 R)
• M14: 31,035,425 km (0.106 R)
• M15: 32,905,398 km (0.055 R)
• M16: 34,111,606 km (0.093 R)
• M17: 36,102,305 km (0.037 R)
• M18: 38,300,944 km (0.05 R)
• M19: 38,697,977 km (0.044 R)
• M20: 40,177,500 km (0.115 R)
• M21: 52,088,931 km (0.102 R)
• M22: 53,890,987 km (0.085 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 153 - 12,687 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit