🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.88 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.78

Radius: 1.51

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 0.76 AU - 1 AU

Year: 311 Days

Day: 22.2 Hours

Environment

Temp: 21 °C

Axial Tilt: 29.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 0.97 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.54

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 0.93 AU - 1.01 AU

Year: 360 Days

Day: 14.5 Hours

Environment

Temp: 30 °C

Axial Tilt: 17.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.11

Radius: 0.41

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 0.76 AU - 1.22 AU

Year: 371 Days

Day: 37.7 Hours

Environment

Temp: 9 °C

Axial Tilt: 20.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 90,068,594 km

• M1: 18,251 km (0.08 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.26

Radius: 1.1

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 1.7 AU - 2.5 AU

Year: 1146 Days

Day: 18.2 Hours

Environment

Temp: -71 °C

Axial Tilt: 102 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.9 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 7.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 679

Radius: 11.2

Gravity: 5.41 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 6.7 AU - 8.68 AU

Year: 8034 Days

Day: 9.5 Hours

Environment

Temp: -165 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 90,068,594 km

• M1: 139,276 km (0.111 R)
• M2: 488,736 km (0.066 R)
• M3: 838,047 km (0.071 R)
• M4: 1,728,753 km (0.104 R)
• M5: 2,599,861 km (0.114 R)
• M6: 2,997,044 km (0.113 R)
• M7: 3,504,181 km (0.107 R)
• M8: 5,192,542 km (0.114 R)
• M9: 7,484,980 km (0.096 R)
• M10: 10,929,770 km (0.058 R)
• M11: 11,339,519 km (0.119 R)
• M12: 11,759,589 km (0.1 R)
• M13: 12,575,047 km (0.064 R)
• M14: 13,025,187 km (0.086 R)
• M15: 13,602,934 km (0.119 R)
• M16: 14,137,448 km (0.101 R)
• M17: 17,924,966 km (0.099 R)
• M18: 18,785,304 km (0.087 R)
• M19: 19,448,621 km (0.065 R)
• M20: 24,276,144 km (0.119 R)
• M21: 25,329,163 km (0.085 R)
• M22: 25,686,852 km (0.109 R)
• M23: 27,338,562 km (0.107 R)
• M24: 29,059,985 km (0.07 R)
• M25: 30,046,882 km (0.098 R)
• M26: 31,158,245 km (0.077 R)
• M27: 32,296,834 km (0.094 R)
• M28: 38,881,235 km (0.08 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 344.5

Radius: 12.4

Gravity: 2.24 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 7.53 AU - 7.95 AU

Year: 8112 Days

Day: 8.5 Hours

Environment

Temp: -173 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 90,068,594 km

• M1: 154,385 km (0.084 R)
• M2: 669,899 km (0.107 R)
• M3: 1,462,768 km (0.086 R)
• M4: 2,126,983 km (0.11 R)
• M5: 3,283,374 km (0.114 R)
• M6: 3,895,977 km (0.109 R)
• M7: 4,455,025 km (0.096 R)
• M8: 5,350,817 km (0.103 R)
• M9: 6,428,071 km (0.069 R)
• M10: 8,250,023 km (0.115 R)
• M11: 8,644,214 km (0.044 R)
• M12: 9,259,211 km (0.11 R)
• M13: 10,168,915 km (0.103 R)
• M14: 11,473,708 km (0.089 R)
• M15: 13,581,542 km (0.111 R)
• M16: 14,076,711 km (0.102 R)
• M17: 14,470,153 km (0.078 R)
• M18: 17,562,940 km (0.108 R)
• M19: 18,217,430 km (0.094 R)
• M20: 20,708,684 km (0.072 R)
• M21: 21,661,772 km (0.114 R)
• M22: 24,778,045 km (0.051 R)
• M23: 26,956,938 km (0.106 R)
• M24: 28,270,557 km (0.101 R)
• M25: 29,260,596 km (0.083 R)
• M26: 31,885,290 km (0.05 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 941.5

Radius: 11.6

Gravity: 7 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 7.22 AU - 8.44 AU

Year: 8254 Days

Day: 10.6 Hours

Environment

Temp: -177 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 90,068,594 km

• M1: 145,708 km (0.109 R)
• M2: 698,323 km (0.103 R)
• M3: 1,344,436 km (0.113 R)
• M4: 2,589,988 km (0.078 R)
• M5: 3,069,449 km (0.104 R)
• M6: 3,583,168 km (0.098 R)
• M7: 5,848,978 km (0.119 R)
• M8: 10,394,509 km (0.108 R)
• M9: 12,171,283 km (0.069 R)
• M10: 14,331,326 km (0.067 R)
• M11: 18,859,205 km (0.081 R)
• M12: 29,776,409 km (0.04 R)
• M13: 31,894,864 km (0.108 R)
• M14: 32,330,194 km (0.083 R)
• M15: 34,681,723 km (0.054 R)
• M16: 39,098,451 km (0.072 R)
• M17: 41,505,929 km (0.072 R)
• M18: 45,094,932 km (0.089 R)

Planet 8 - Gas Giant

Semi-Major Axis: 8.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 881.2

Radius: 14.7

Gravity: 4.08 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 7.35 AU - 9.49 AU

Year: 9204 Days

Day: 5.7 Hours

Environment

Temp: -169 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 90,068,594 km

• M1: 182,809 km (0.087 R)
• M2: 651,050 km (0.108 R)
• M3: 1,150,108 km (0.103 R)
• M4: 1,646,923 km (0.074 R)
• M5: 2,400,148 km (0.053 R)
• M6: 2,922,245 km (0.102 R)
• M7: 3,619,670 km (0.102 R)
• M8: 4,228,085 km (0.103 R)
• M9: 5,824,144 km (0.103 R)
• M10: 6,549,694 km (0.085 R)
• M11: 7,499,341 km (0.101 R)
• M12: 8,314,799 km (0.068 R)
• M13: 10,276,177 km (0.058 R)
• M14: 18,679,389 km (0.116 R)
• M15: 22,184,915 km (0.11 R)
• M16: 22,794,377 km (0.093 R)
• M17: 25,156,827 km (0.101 R)
• M18: 29,624,418 km (0.072 R)
• M19: 34,017,359 km (0.086 R)
• M20: 34,945,315 km (0.103 R)
• M21: 35,890,175 km (0.116 R)
• M22: 39,078,704 km (0.072 R)
• M23: 42,987,247 km (0.106 R)
• M24: 45,873,589 km (0.072 R)

Planet 9 - Ice Giant

Semi-Major Axis: 18.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 534.7

Radius: 3.1

Gravity: 55.64 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 15.69 AU - 20.63 AU

Year: 29154 Days

Day: 16.2 Hours

Environment

Temp: -209 °C

Axial Tilt: 101.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 90,068,594 km

• M1: 39,494 km (0.067 R)
• M2: 198,068 km (0.113 R)
• M3: 407,355 km (0.108 R)
• M4: 726,896 km (0.107 R)
• M5: 896,390 km (0.091 R)
• M6: 1,162,824 km (0.117 R)
• M7: 1,330,374 km (0.089 R)
• M8: 1,531,433 km (0.106 R)
• M9: 1,752,240 km (0.1 R)
• M10: 2,057,569 km (0.117 R)
• M11: 3,545,918 km (0.116 R)
• M12: 4,169,442 km (0.056 R)
• M13: 4,380,525 km (0.11 R)
• M14: 7,812,749 km (0.096 R)
• M15: 8,242,543 km (0.118 R)
• M16: 8,463,200 km (0.063 R)
• M17: 9,207,899 km (0.086 R)
• M18: 9,995,083 km (0.078 R)
• M19: 10,437,144 km (0.094 R)
• M20: 10,630,425 km (0.114 R)
• M21: 14,058,161 km (0.098 R)
• M22: 21,082,678 km (0.104 R)
• M23: 25,107,011 km (0.105 R)
• M24: 35,640,646 km (0.094 R)
• M25: 36,668,981 km (0.112 R)
• M26: 38,630,957 km (0.116 R)
• M27: 39,093,364 km (0.049 R)
• M28: 41,140,312 km (0.1 R)
• M29: 41,300,531 km (0.083 R)
• M30: 41,946,196 km (0.076 R)
• M31: 50,408,199 km (0.077 R)
• M32: 53,973,416 km (0.085 R)
• M33: 58,712,377 km (0.098 R)
• M34: 66,991,871 km (0.045 R)
• M35: 68,555,767 km (0.054 R)
• M36: 72,688,708 km (0.074 R)
• M37: 75,054,897 km (0.107 R)
• M38: 79,194,570 km (0.099 R)
• M39: 89,529,538 km (0.066 R)
• M40: 90,068,540 km (0.028 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 388 - 12,591 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit