🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.37

Radius: 0.67

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 0.49 AU - 0.71 AU

Year: 296 Days

Day: 39.4 Hours

Environment

Temp: -118 °C

Axial Tilt: 29.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 818

Radius: 13.4

Gravity: 4.56 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 0.68 AU - 0.94 AU

Year: 464 Days

Day: 14.4 Hours

Environment

Temp: -149 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 52,029,070 km

• M1: 169,345 km (0.084 R)
• M2: 594,652 km (0.079 R)
• M3: 1,676,095 km (0.097 R)
• M4: 2,295,131 km (0.09 R)
• M5: 2,737,192 km (0.085 R)
• M6: 3,957,163 km (0.039 R)
• M7: 4,465,646 km (0.111 R)
• M8: 5,097,996 km (0.095 R)
• M9: 5,860,197 km (0.044 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 859.5

Radius: 12.5

Gravity: 5.5 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.68 AU - 1.06 AU

Year: 516 Days

Day: 9.2 Hours

Environment

Temp: -161 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 52,029,070 km

• M1: 155,432 km (0.059 R)
• M2: 689,796 km (0.05 R)
• M3: 1,290,132 km (0.085 R)
• M4: 1,992,943 km (0.052 R)
• M5: 2,653,717 km (0.099 R)
• M6: 3,281,429 km (0.047 R)
• M7: 3,717,507 km (0.101 R)
• M8: 4,384,714 km (0.114 R)
• M9: 4,899,929 km (0.115 R)
• M10: 5,667,366 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 317.9

Radius: 8.7

Gravity: 4.2 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 0.91 AU - 1.03 AU

Year: 607 Days

Day: 14.3 Hours

Environment

Temp: -157 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 52,029,070 km

• M1: 108,159 km (0.1 R)
• M2: 395,537 km (0.069 R)
• M3: 738,265 km (0.106 R)
• M4: 1,123,031 km (0.052 R)
• M5: 1,429,707 km (0.098 R)
• M6: 1,956,441 km (0.105 R)
• M7: 2,686,778 km (0.059 R)
• M8: 3,032,349 km (0.091 R)
• M9: 3,371,936 km (0.099 R)
• M10: 3,749,671 km (0.118 R)
• M11: 4,074,597 km (0.098 R)
• M12: 4,575,600 km (0.114 R)
• M13: 4,916,833 km (0.114 R)
• M14: 5,485,006 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 381.2

Radius: 10.8

Gravity: 3.27 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 0.89 AU - 1.13 AU

Year: 645 Days

Day: 13.1 Hours

Environment

Temp: -163 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 52,029,070 km

• M1: 134,339 km (0.084 R)
• M2: 522,845 km (0.1 R)
• M3: 1,027,737 km (0.113 R)
• M4: 1,364,632 km (0.109 R)
• M5: 1,709,156 km (0.047 R)
• M6: 2,609,884 km (0.05 R)
• M7: 3,385,549 km (0.113 R)
• M8: 4,139,074 km (0.077 R)
• M9: 6,232,397 km (0.095 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 265.4

Radius: 11.6

Gravity: 1.97 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 4.7 AU - 6.62 AU

Year: 8562 Days

Day: 13.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 52,029,070 km

• M1: 147,504 km (0.071 R)
• M2: 714,779 km (0.105 R)
• M3: 1,281,605 km (0.103 R)
• M4: 1,644,380 km (0.094 R)
• M5: 2,196,994 km (0.116 R)
• M6: 3,379,715 km (0.119 R)
• M7: 8,638,529 km (0.026 R)
• M8: 17,690,995 km (0.107 R)
• M9: 21,011,171 km (0.076 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 457.1

Radius: 4.2

Gravity: 25.91 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 7.39 AU - 10.07 AU

Year: 16400 Days

Day: 15.6 Hours

Environment

Temp: -233 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 52,029,070 km

• M1: 52,509 km (0.111 R)
• M2: 189,092 km (0.029 R)
• M3: 391,647 km (0.048 R)
• M4: 797,955 km (0.057 R)
• M5: 1,005,896 km (0.106 R)
• M6: 1,959,283 km (0.05 R)
• M7: 3,000,185 km (0.105 R)
• M8: 3,220,693 km (0.095 R)
• M9: 3,639,118 km (0.091 R)
• M10: 4,333,402 km (0.047 R)
• M11: 5,077,801 km (0.118 R)
• M12: 5,215,431 km (0.101 R)
• M13: 5,426,663 km (0.092 R)
• M14: 5,903,880 km (0.034 R)
• M15: 7,547,661 km (0.108 R)
• M16: 9,216,575 km (0.112 R)
• M17: 10,218,432 km (0.108 R)
• M18: 11,763,778 km (0.118 R)
• M19: 12,249,971 km (0.101 R)
• M20: 15,308,949 km (0.068 R)
• M21: 17,013,616 km (0.111 R)
• M22: 19,759,186 km (0.075 R)
• M23: 20,794,702 km (0.096 R)
• M24: 24,117,421 km (0.109 R)
• M25: 24,311,748 km (0.05 R)
• M26: 25,904,218 km (0.107 R)
• M27: 27,777,333 km (0.077 R)
• M28: 29,850,460 km (0.087 R)
• M29: 30,299,702 km (0.077 R)
• M30: 31,558,269 km (0.055 R)
• M31: 32,613,533 km (0.113 R)
• M32: 33,935,080 km (0.118 R)
• M33: 38,113,199 km (0.102 R)
• M34: 38,509,185 km (0.051 R)
• M35: 47,016,666 km (0.091 R)
• M36: 49,636,723 km (0.107 R)
• M37: 50,266,979 km (0.03 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 257.6

Radius: 6

Gravity: 7.16 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 7.39 AU - 11.49 AU

Year: 18441 Days

Day: 15.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 52,029,070 km

• M1: 74,799 km (0.084 R)
• M2: 757,564 km (0.107 R)
• M3: 1,041,500 km (0.052 R)
• M4: 2,706,225 km (0.088 R)
• M5: 3,300,877 km (0.105 R)
• M6: 3,787,968 km (0.114 R)
• M7: 5,434,292 km (0.101 R)
• M8: 5,713,292 km (0.114 R)
• M9: 7,379,813 km (0.088 R)
• M10: 9,848,925 km (0.064 R)
• M11: 10,636,857 km (0.112 R)
• M12: 11,240,784 km (0.094 R)
• M13: 12,637,430 km (0.11 R)
• M14: 12,942,310 km (0.106 R)
• M15: 17,666,910 km (0.114 R)
• M16: 20,788,270 km (0.1 R)
• M17: 24,635,029 km (0.057 R)
• M18: 29,996,767 km (0.089 R)
• M19: 30,430,451 km (0.109 R)
• M20: 31,088,681 km (0.117 R)
• M21: 31,532,838 km (0.109 R)
• M22: 35,843,500 km (0.098 R)
• M23: 44,619,061 km (0.033 R)
• M24: 50,181,110 km (0.043 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: 328 - 11,145 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit