🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.96

Radius: 1.54

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.54 AU - 0.78 AU

Year: 346 Days

Day: 41.7 Hours

Environment

Temp: -131 °C

Axial Tilt: 170 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 0.93 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 79.7

Radius: 14

Gravity: 0.41 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 1.17 AU - 1.21 AU

Year: 838 Days

Day: 12.6 Hours

Environment

Temp: -172 °C

Axial Tilt: 48 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 70,894,640 km

• M1: 174,880 km (0.103 R)
• M2: 1,313,918 km (0.071 R)
• M3: 1,948,063 km (0.03 R)
• M4: 2,904,443 km (0.057 R)
• M5: 3,820,879 km (0.054 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 722.3

Radius: 8.5

Gravity: 10 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 2.24 AU - 2.36 AU

Year: 2252 Days

Day: 12.4 Hours

Environment

Temp: -188 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 70,894,640 km

• M1: 105,766 km (0.081 R)
• M2: 443,558 km (0.118 R)
• M3: 756,816 km (0.101 R)
• M4: 1,254,827 km (0.072 R)
• M5: 1,543,102 km (0.066 R)
• M6: 2,217,938 km (0.06 R)
• M7: 3,028,160 km (0.07 R)
• M8: 3,645,102 km (0.087 R)
• M9: 4,364,069 km (0.113 R)
• M10: 4,923,416 km (0.11 R)
• M11: 5,433,395 km (0.05 R)
• M12: 6,029,542 km (0.11 R)
• M13: 7,147,786 km (0.072 R)
• M14: 8,430,738 km (0.084 R)
• M15: 8,957,771 km (0.117 R)
• M16: 9,402,077 km (0.111 R)
• M17: 10,633,566 km (0.091 R)
• M18: 11,806,713 km (0.078 R)
• M19: 12,092,445 km (0.104 R)
• M20: 13,063,784 km (0.071 R)
• M21: 13,590,817 km (0.086 R)
• M22: 14,781,466 km (0.095 R)
• M23: 15,161,295 km (0.099 R)
• M24: 17,263,893 km (0.065 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 544.8

Radius: 14.7

Gravity: 2.52 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 2.82 AU - 3.8 AU

Year: 3888 Days

Day: 5.6 Hours

Environment

Temp: -206 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 70,894,640 km

• M1: 186,249 km (0.12 R)
• M2: 714,928 km (0.103 R)
• M3: 1,391,260 km (0.113 R)
• M4: 2,365,142 km (0.101 R)
• M5: 3,082,165 km (0.11 R)
• M6: 3,941,306 km (0.032 R)
• M7: 6,222,224 km (0.106 R)
• M8: 8,338,885 km (0.111 R)
• M9: 10,447,466 km (0.118 R)
• M10: 10,942,037 km (0.118 R)
• M11: 12,612,596 km (0.104 R)
• M12: 13,316,903 km (0.109 R)
• M13: 13,849,920 km (0.091 R)
• M14: 15,963,738 km (0.068 R)
• M15: 16,844,271 km (0.103 R)
• M16: 22,481,418 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 881

Radius: 13.5

Gravity: 4.83 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 3.63 AU - 4.27 AU

Year: 5069 Days

Day: 7.9 Hours

Environment

Temp: -201 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 70,894,640 km

• M1: 171,738 km (0.114 R)
• M2: 683,064 km (0.065 R)
• M3: 1,771,239 km (0.104 R)
• M4: 2,215,395 km (0.088 R)
• M5: 2,681,093 km (0.118 R)
• M6: 3,398,116 km (0.11 R)
• M7: 4,724,151 km (0.095 R)
• M8: 5,188,503 km (0.081 R)
• M9: 5,958,034 km (0.075 R)
• M10: 6,768,705 km (0.09 R)
• M11: 7,397,016 km (0.092 R)
• M12: 10,672,761 km (0.04 R)
• M13: 11,428,529 km (0.113 R)
• M14: 12,018,394 km (0.065 R)
• M15: 12,525,531 km (0.043 R)
• M16: 13,966,457 km (0.066 R)
• M17: 15,278,879 km (0.068 R)
• M18: 16,300,633 km (0.062 R)
• M19: 19,849,693 km (0.117 R)
• M20: 22,255,825 km (0.085 R)
• M21: 23,021,766 km (0.079 R)
• M22: 25,758,210 km (0.097 R)
• M23: 26,178,281 km (0.1 R)
• M24: 27,728,115 km (0.084 R)
• M25: 28,615,230 km (0.075 R)
• M26: 29,429,641 km (0.094 R)
• M27: 31,010,143 km (0.043 R)
• M28: 32,548,757 km (0.082 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 830

Radius: 6.9

Gravity: 17.43 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 7.4 AU - 9.84 AU

Year: 16341 Days

Day: 17.4 Hours

Environment

Temp: -236 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 70,894,640 km

• M1: 118,182 km (0.084 R)
• M2: 403,914 km (0.075 R)
• M3: 686,953 km (0.099 R)
• M4: 1,192,145 km (0.107 R)
• M5: 2,427,824 km (0.093 R)
• M6: 5,676,491 km (0.104 R)
• M7: 6,495,390 km (0.101 R)
• M8: 8,883,870 km (0.116 R)
• M9: 12,789,421 km (0.074 R)
• M10: 13,547,284 km (0.093 R)
• M11: 14,261,913 km (0.106 R)
• M12: 17,707,152 km (0.078 R)
• M13: 20,075,137 km (0.026 R)
• M14: 22,745,608 km (0.115 R)
• M15: 23,246,163 km (0.089 R)
• M16: 27,631,624 km (0.085 R)
• M17: 27,858,714 km (0.107 R)
• M18: 30,197,976 km (0.111 R)
• M19: 37,856,040 km (0.1 R)
• M20: 43,265,051 km (0.108 R)
• M21: 49,668,139 km (0.068 R)
• M22: 53,974,762 km (0.107 R)
• M23: 58,523,884 km (0.089 R)
• M24: 65,513,844 km (0.115 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 501 - 12,456 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit