🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.89

Radius: 0.95

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 0.49 AU - 0.51 AU

Year: 232 Days

Day: 28.6 Hours

Environment

Temp: -124 °C

Axial Tilt: 41.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.59

Radius: 1.2

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 0.52 AU - 0.8 AU

Year: 352 Days

Day: 15.5 Hours

Environment

Temp: -137 °C

Axial Tilt: 29.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 193.8

Radius: 14.5

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 0.67 AU - 0.81 AU

Year: 418 Days

Day: 9.2 Hours

Environment

Temp: -146 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 53,424,267 km

• M1: 180,265 km (0.106 R)
• M2: 639,381 km (0.104 R)
• M3: 1,284,747 km (0.086 R)
• M4: 1,865,934 km (0.082 R)
• M5: 2,372,173 km (0.069 R)
• M6: 2,907,584 km (0.09 R)
• M7: 3,381,809 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 511.2

Radius: 11.9

Gravity: 3.61 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 0.88 AU - 0.9 AU

Year: 551 Days

Day: 13.2 Hours

Environment

Temp: -154 °C

Axial Tilt: 42.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 53,424,267 km

• M1: 149,897 km (0.059 R)
• M2: 562,338 km (0.106 R)
• M3: 1,042,398 km (0.107 R)
• M4: 2,274,187 km (0.086 R)
• M5: 2,730,460 km (0.119 R)
• M6: 3,909,142 km (0.09 R)
• M7: 4,794,761 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 191.4

Radius: 14.7

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 0.97 AU - 1.04 AU

Year: 656 Days

Day: 6.6 Hours

Environment

Temp: -168 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 53,424,267 km

• M1: 183,108 km (0.101 R)
• M2: 658,081 km (0.105 R)
• M3: 1,212,790 km (0.076 R)
• M4: 2,400,298 km (0.118 R)
• M5: 2,892,325 km (0.027 R)
• M6: 4,059,637 km (0.059 R)
• M7: 4,654,139 km (0.059 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 645.5

Radius: 12.9

Gravity: 3.88 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 1.31 AU - 1.57 AU

Year: 1134 Days

Day: 7.5 Hours

Environment

Temp: -181 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 53,424,267 km

• M1: 161,865 km (0.114 R)
• M2: 568,173 km (0.12 R)
• M3: 1,250,937 km (0.105 R)
• M4: 1,676,693 km (0.119 R)
• M5: 2,479,884 km (0.11 R)
• M6: 2,898,459 km (0.12 R)
• M7: 3,364,606 km (0.077 R)
• M8: 3,770,315 km (0.05 R)
• M9: 4,242,745 km (0.115 R)
• M10: 4,791,470 km (0.095 R)
• M11: 6,317,668 km (0.093 R)
• M12: 6,821,663 km (0.117 R)
• M13: 8,041,334 km (0.07 R)
• M14: 8,496,860 km (0.098 R)
• M15: 9,227,047 km (0.115 R)
• M16: 10,090,526 km (0.114 R)
• M17: 10,557,870 km (0.111 R)

Asteroid Belt

Center: 5.72 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 9.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 187.5

Radius: 5.9

Gravity: 5.39 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 8.28 AU - 11.7 AU

Year: 20714 Days

Day: 18.8 Hours

Environment

Temp: -240 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 53,424,267 km

• M1: 85,420 km (0.112 R)
• M2: 296,054 km (0.075 R)
• M3: 508,483 km (0.09 R)
• M4: 1,621,940 km (0.105 R)
• M5: 3,092,038 km (0.084 R)
• M6: 3,528,415 km (0.059 R)
• M7: 4,433,931 km (0.042 R)
• M8: 4,644,415 km (0.061 R)
• M9: 5,183,566 km (0.11 R)
• M10: 6,161,188 km (0.073 R)
• M11: 6,811,490 km (0.097 R)
• M12: 7,051,744 km (0.12 R)
• M13: 8,752,971 km (0.061 R)
• M14: 12,108,601 km (0.094 R)
• M15: 17,468,693 km (0.091 R)
• M16: 18,765,258 km (0.104 R)
• M17: 19,476,895 km (0.108 R)
• M18: 20,870,249 km (0.096 R)
• M19: 21,462,807 km (0.074 R)
• M20: 23,579,616 km (0.113 R)
• M21: 31,195,345 km (0.119 R)
• M22: 32,081,263 km (0.092 R)
• M23: 33,671,938 km (0.114 R)
• M24: 36,641,904 km (0.079 R)
• M25: 43,096,603 km (0.072 R)
• M26: 45,171,376 km (0.111 R)
• M27: 47,167,012 km (0.111 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 167.4

Radius: 7.2

Gravity: 3.23 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 9.4 AU - 12.52 AU

Year: 23803 Days

Day: 15.5 Hours

Environment

Temp: -241 °C

Axial Tilt: 75.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 53,424,267 km

• M1: 89,609 km (0.059 R)
• M2: 370,554 km (0.081 R)
• M3: 764,146 km (0.097 R)
• M4: 1,472,791 km (0.118 R)
• M5: 1,988,904 km (0.117 R)
• M6: 3,062,568 km (0.071 R)
• M7: 3,606,356 km (0.097 R)
• M8: 3,874,136 km (0.034 R)
• M9: 5,521,508 km (0.089 R)
• M10: 6,364,342 km (0.101 R)
• M11: 8,074,844 km (0.068 R)
• M12: 9,158,082 km (0.064 R)
• M13: 10,018,869 km (0.099 R)
• M14: 10,932,313 km (0.12 R)
• M15: 11,667,587 km (0.103 R)
• M16: 12,076,887 km (0.096 R)
• M17: 13,681,324 km (0.053 R)
• M18: 17,610,512 km (0.07 R)
• M19: 20,414,275 km (0.088 R)
• M20: 22,321,199 km (0.109 R)
• M21: 25,302,385 km (0.1 R)
• M22: 25,790,972 km (0.061 R)
• M23: 29,496,661 km (0.076 R)
• M24: 30,917,542 km (0.047 R)
• M25: 33,075,491 km (0.113 R)
• M26: 33,659,671 km (0.055 R)
• M27: 42,575,853 km (0.103 R)
• M28: 49,068,401 km (0.119 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: 378 - 12,087 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit