🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.87

Radius: 1.52

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.44 AU - 0.7 AU

Year: 278 Days

Day: 41.1 Hours

Environment

Temp: -133 °C

Axial Tilt: 38.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.94

Radius: 1.3

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 0.49 AU - 0.75 AU

Year: 315 Days

Day: 44.1 Hours

Environment

Temp: -140 °C

Axial Tilt: 36.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.11 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 29

Radius: 10.9

Gravity: 0.24 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 1.52 AU - 1.66 AU

Year: 1295 Days

Day: 12.2 Hours

Environment

Temp: -190 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 56,938,133 km

• M1: 138,677 km (0.071 R)
• M2: 543,788 km (0.075 R)
• M3: 998,715 km (0.081 R)
• M4: 1,397,394 km (0.09 R)
• M5: 1,819,858 km (0.047 R)
• M6: 2,168,720 km (0.071 R)
• M7: 3,123,155 km (0.039 R)
• M8: 3,651,086 km (0.058 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 18.4

Radius: 8.8

Gravity: 0.24 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 1.24 AU - 2.04 AU

Year: 1356 Days

Day: 9.9 Hours

Environment

Temp: -187 °C

Axial Tilt: 44.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 56,938,133 km

• M1: 109,506 km (0.105 R)
• M2: 1,349,971 km (0.11 R)
• M3: 3,375,078 km (0.082 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 595.3

Radius: 11.5

Gravity: 4.5 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 1.81 AU - 2.55 AU

Year: 2078 Days

Day: 9.5 Hours

Environment

Temp: -198 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 56,938,133 km

• M1: 143,016 km (0.086 R)
• M2: 539,001 km (0.06 R)
• M3: 1,123,330 km (0.059 R)
• M4: 1,554,172 km (0.113 R)
• M5: 2,119,353 km (0.088 R)
• M6: 2,703,682 km (0.102 R)
• M7: 3,459,900 km (0.113 R)
• M8: 4,431,089 km (0.114 R)
• M9: 4,862,978 km (0.097 R)
• M10: 5,598,850 km (0.078 R)
• M11: 6,356,114 km (0.099 R)
• M12: 6,907,233 km (0.118 R)
• M13: 7,461,343 km (0.102 R)
• M14: 11,093,729 km (0.036 R)
• M15: 11,508,115 km (0.118 R)
• M16: 13,144,567 km (0.11 R)
• M17: 14,570,384 km (0.102 R)
• M18: 15,436,705 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 443.5

Radius: 9.1

Gravity: 5.36 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 4.83 AU - 5.41 AU

Year: 7480 Days

Day: 9.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 71.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 56,938,133 km

• M1: 113,246 km (0.097 R)
• M2: 402,269 km (0.068 R)
• M3: 813,812 km (0.084 R)
• M4: 1,260,811 km (0.107 R)
• M5: 1,769,294 km (0.07 R)
• M6: 2,802,118 km (0.109 R)
• M7: 3,342,465 km (0.061 R)
• M8: 3,649,141 km (0.104 R)
• M9: 3,974,516 km (0.113 R)
• M10: 5,154,843 km (0.102 R)
• M11: 6,094,168 km (0.117 R)
• M12: 7,881,564 km (0.119 R)
• M13: 9,949,006 km (0.118 R)
• M14: 11,546,263 km (0.086 R)
• M15: 11,945,540 km (0.053 R)
• M16: 14,828,590 km (0.096 R)
• M17: 15,843,761 km (0.072 R)
• M18: 16,777,401 km (0.114 R)
• M19: 25,273,214 km (0.055 R)
• M20: 26,719,526 km (0.111 R)
• M21: 32,561,473 km (0.081 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 24.4

Radius: 6.8

Gravity: 0.53 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 5.02 AU - 7.8 AU

Year: 10479 Days

Day: 16.5 Hours

Environment

Temp: -230 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 56,938,133 km

• M1: 84,822 km (0.069 R)
• M2: 911,051 km (0.105 R)
• M3: 1,743,713 km (0.075 R)
• M4: 2,605,097 km (0.073 R)
• M5: 3,459,750 km (0.09 R)
• M6: 4,170,489 km (0.095 R)
• M7: 4,653,840 km (0.116 R)
• M8: 4,909,204 km (0.083 R)
• M9: 6,564,055 km (0.106 R)
• M10: 7,359,467 km (0.036 R)
• M11: 9,173,192 km (0.098 R)
• M12: 9,406,565 km (0.119 R)
• M13: 14,902,790 km (0.099 R)
• M14: 15,885,199 km (0.108 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 269.7

Radius: 4.7

Gravity: 12.21 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 9.85 AU - 10.29 AU

Year: 20633 Days

Day: 19 Hours

Environment

Temp: -236 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 56,938,133 km

• M1: 58,493 km (0.09 R)
• M2: 211,232 km (0.097 R)
• M3: 905,217 km (0.117 R)
• M4: 1,141,133 km (0.097 R)
• M5: 1,445,714 km (0.089 R)
• M6: 2,455,649 km (0.066 R)
• M7: 2,962,935 km (0.099 R)
• M8: 3,380,912 km (0.067 R)
• M9: 5,070,769 km (0.116 R)
• M10: 8,102,370 km (0.109 R)
• M11: 8,866,516 km (0.091 R)
• M12: 9,165,114 km (0.113 R)
• M13: 13,483,705 km (0.075 R)
• M14: 14,213,443 km (0.116 R)
• M15: 14,829,787 km (0.113 R)
• M16: 15,179,846 km (0.085 R)
• M17: 16,262,934 km (0.083 R)
• M18: 19,820,072 km (0.051 R)
• M19: 20,936,820 km (0.099 R)
• M20: 27,573,281 km (0.07 R)
• M21: 31,420,041 km (0.111 R)
• M22: 35,985,319 km (0.11 R)
• M23: 36,237,092 km (0.025 R)
• M24: 39,085,286 km (0.114 R)
• M25: 40,021,918 km (0.098 R)
• M26: 42,780,204 km (0.119 R)
• M27: 54,086,362 km (0.112 R)
• M28: 56,938,146 km (0.026 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: 426 - 20,346 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit