🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.95

Radius: 0.98

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.44 AU - 0.68 AU

Year: 266 Days

Day: 42.9 Hours

Environment

Temp: -133 °C

Axial Tilt: 3.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 75.5

Radius: 9.3

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 0.65 AU - 0.87 AU

Year: 421 Days

Day: 11.8 Hours

Environment

Temp: -139 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 41,069,710 km

• M1: 115,639 km (0.117 R)
• M2: 441,015 km (0.099 R)
• M3: 1,070,074 km (0.098 R)
• M4: 1,450,501 km (0.099 R)
• M5: 1,914,404 km (0.098 R)
• M6: 2,260,723 km (0.059 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 519.7

Radius: 12.5

Gravity: 3.33 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 0.67 AU - 0.97 AU

Year: 472 Days

Day: 9.1 Hours

Environment

Temp: -138 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 41,069,710 km

• M1: 156,180 km (0.065 R)
• M2: 546,780 km (0.08 R)
• M3: 1,015,770 km (0.069 R)
• M4: 1,505,254 km (0.108 R)
• M5: 2,229,008 km (0.072 R)
• M6: 2,946,779 km (0.07 R)
• M7: 3,448,081 km (0.097 R)
• M8: 4,369,455 km (0.069 R)
• M9: 4,963,657 km (0.048 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 843.1

Radius: 14.7

Gravity: 3.9 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 0.8 AU - 1.32 AU

Year: 694 Days

Day: 5.4 Hours

Environment

Temp: -158 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 41,069,710 km

• M1: 182,809 km (0.08 R)
• M2: 734,376 km (0.086 R)
• M3: 1,206,507 km (0.119 R)
• M4: 2,016,878 km (0.087 R)
• M5: 2,536,282 km (0.087 R)
• M6: 3,286,665 km (0.103 R)
• M7: 3,880,868 km (0.096 R)
• M8: 5,038,007 km (0.079 R)
• M9: 6,751,801 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 699.5

Radius: 12

Gravity: 4.86 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 1.3 AU - 1.8 AU

Year: 1227 Days

Day: 9.3 Hours

Environment

Temp: -188 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 41,069,710 km

• M1: 157,527 km (0.073 R)
• M2: 680,222 km (0.089 R)
• M3: 1,065,586 km (0.095 R)
• M4: 2,194,002 km (0.097 R)
• M5: 4,015,506 km (0.117 R)
• M6: 4,469,236 km (0.118 R)
• M7: 4,996,120 km (0.06 R)
• M8: 5,438,930 km (0.116 R)
• M9: 6,265,907 km (0.083 R)
• M10: 6,662,192 km (0.114 R)
• M11: 7,952,922 km (0.058 R)
• M12: 8,418,171 km (0.11 R)
• M13: 10,496,983 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 64.3

Radius: 10.9

Gravity: 0.54 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 2.27 AU - 3.13 AU

Year: 2821 Days

Day: 13.3 Hours

Environment

Temp: -194 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 41,069,710 km

• M1: 136,284 km (0.078 R)
• M2: 588,219 km (0.101 R)
• M3: 1,731,296 km (0.116 R)
• M4: 2,814,534 km (0.106 R)
• M5: 3,289,358 km (0.067 R)
• M6: 3,727,829 km (0.081 R)
• M7: 5,152,899 km (0.058 R)
• M8: 6,300,464 km (0.04 R)
• M9: 7,780,884 km (0.042 R)
• M10: 8,433,730 km (0.104 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 267.9

Radius: 12.5

Gravity: 1.71 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 4.43 AU - 7.03 AU

Year: 8721 Days

Day: 9.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 41,069,710 km

• M1: 157,377 km (0.077 R)
• M2: 839,543 km (0.076 R)
• M3: 1,544,149 km (0.09 R)
• M4: 2,722,532 km (0.085 R)
• M5: 3,440,302 km (0.074 R)
• M6: 3,901,512 km (0.103 R)
• M7: 4,895,890 km (0.072 R)
• M8: 7,489,917 km (0.089 R)
• M9: 9,226,748 km (0.09 R)
• M10: 12,139,418 km (0.047 R)
• M11: 13,534,718 km (0.052 R)
• M12: 15,617,120 km (0.102 R)
• M13: 16,580,680 km (0.116 R)
• M14: 17,647,462 km (0.104 R)
• M15: 18,099,846 km (0.093 R)
• M16: 19,298,724 km (0.069 R)
• M17: 20,620,870 km (0.029 R)
• M18: 21,122,920 km (0.112 R)
• M19: 25,030,716 km (0.105 R)
• M20: 27,975,849 km (0.083 R)
• M21: 28,947,188 km (0.06 R)
• M22: 31,521,468 km (0.057 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 202.8

Radius: 4

Gravity: 12.68 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 6.15 AU - 9.99 AU

Year: 14576 Days

Day: 17.3 Hours

Environment

Temp: -229 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 41,069,710 km

• M1: 104,270 km (0.102 R)
• M2: 418,874 km (0.115 R)
• M3: 1,213,538 km (0.091 R)
• M4: 1,484,011 km (0.059 R)
• M5: 1,838,857 km (0.116 R)
• M6: 4,729,537 km (0.087 R)
• M7: 7,606,453 km (0.083 R)
• M8: 9,452,341 km (0.096 R)
• M9: 9,920,882 km (0.106 R)
• M10: 10,064,346 km (0.12 R)
• M11: 20,505,530 km (0.05 R)
• M12: 23,504,369 km (0.076 R)
• M13: 23,845,153 km (0.06 R)
• M14: 24,711,474 km (0.089 R)
• M15: 31,991,505 km (0.111 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 228 - 16,263 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit