🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.85 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.84

Radius: 1.28

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 0.76 AU - 0.94 AU

Year: 298 Days

Day: 19.5 Hours

Environment

Temp: 45 °C

Axial Tilt: 28.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 55,162,643 km

• M1: 30,518 km (0.073 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.92 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.64

Radius: 1.22

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 0.89 AU - 0.95 AU

Year: 336 Days

Day: 46 Hours

Environment

Temp: 20 °C

Axial Tilt: 11.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 0.96 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.18

Radius: 0.5

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 0.93 AU - 0.99 AU

Year: 358 Days

Day: 17.5 Hours

Environment

Temp: 1 °C

Axial Tilt: 24.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.03

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 1.12 AU - 1.84 AU

Year: 686 Days

Day: 30.7 Hours

Environment

Temp: -43 °C

Axial Tilt: 6.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 55,162,643 km

• M1: 612,454 km (0.082 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.03 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.17

Radius: 1.36

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 2.42 AU - 3.64 AU

Year: 2008 Days

Day: 37.7 Hours

Environment

Temp: -106 °C

Axial Tilt: 105.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.65 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 4.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 469.7

Radius: 12.1

Gravity: 3.21 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 3.55 AU - 4.97 AU

Year: 3348 Days

Day: 6.3 Hours

Environment

Temp: -145 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 55,162,643 km

• M1: 151,094 km (0.116 R)
• M2: 566,677 km (0.052 R)
• M3: 1,260,512 km (0.117 R)
• M4: 1,649,317 km (0.082 R)
• M5: 2,679,298 km (0.092 R)
• M6: 3,703,146 km (0.108 R)
• M7: 4,586,072 km (0.112 R)
• M8: 5,379,390 km (0.086 R)
• M9: 8,515,560 km (0.104 R)
• M10: 9,899,190 km (0.077 R)
• M11: 12,973,127 km (0.101 R)
• M12: 13,843,039 km (0.1 R)
• M13: 14,605,240 km (0.077 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 207.6

Radius: 14.9

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 5.21 AU - 5.47 AU

Year: 4699 Days

Day: 10.9 Hours

Environment

Temp: -161 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 55,162,643 km

• M1: 185,352 km (0.12 R)
• M2: 753,973 km (0.056 R)
• M3: 1,523,505 km (0.101 R)
• M4: 1,989,053 km (0.11 R)
• M5: 6,684,033 km (0.103 R)
• M6: 7,591,494 km (0.107 R)
• M7: 8,317,043 km (0.108 R)
• M8: 10,428,916 km (0.117 R)
• M9: 11,047,952 km (0.079 R)
• M10: 13,276,063 km (0.025 R)
• M11: 14,902,790 km (0.096 R)
• M12: 17,722,860 km (0.076 R)

Planet 8 - Gas Giant

Semi-Major Axis: 6.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 970.7

Radius: 12.1

Gravity: 6.63 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 6.06 AU - 6.2 AU

Year: 5779 Days

Day: 13.7 Hours

Environment

Temp: -158 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 55,162,643 km

• M1: 156,330 km (0.069 R)
• M2: 541,245 km (0.097 R)
• M3: 1,145,022 km (0.098 R)
• M4: 1,524,253 km (0.097 R)
• M5: 2,290,194 km (0.108 R)
• M6: 3,495,803 km (0.092 R)
• M7: 3,915,425 km (0.119 R)
• M8: 4,885,268 km (0.091 R)
• M9: 5,381,783 km (0.042 R)
• M10: 6,008,898 km (0.042 R)
• M11: 6,932,365 km (0.055 R)
• M12: 9,453,538 km (0.115 R)
• M13: 10,846,743 km (0.076 R)
• M14: 12,213,918 km (0.082 R)
• M15: 13,131,851 km (0.059 R)
• M16: 13,749,989 km (0.106 R)
• M17: 14,269,991 km (0.071 R)
• M18: 19,922,846 km (0.036 R)
• M19: 20,514,506 km (0.113 R)
• M20: 21,888,562 km (0.076 R)
• M21: 25,160,567 km (0.071 R)
• M22: 26,379,041 km (0.113 R)
• M23: 26,823,497 km (0.113 R)
• M24: 28,839,178 km (0.074 R)
• M25: 32,049,249 km (0.081 R)
• M26: 32,964,489 km (0.064 R)
• M27: 34,847,029 km (0.096 R)
• M28: 35,598,160 km (0.117 R)

Planet 9 - Ice Giant

Semi-Major Axis: 12.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 374

Radius: 3.3

Gravity: 34.34 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 11.94 AU - 12.94 AU

Year: 16708 Days

Day: 20 Hours

Environment

Temp: -186 °C

Axial Tilt: 49.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 55,162,643 km

• M1: 41,139 km (0.101 R)
• M2: 151,243 km (0.115 R)
• M3: 573,708 km (0.108 R)
• M4: 747,241 km (0.058 R)
• M5: 1,126,023 km (0.112 R)
• M6: 1,317,060 km (0.114 R)
• M7: 1,780,364 km (0.097 R)
• M8: 1,933,253 km (0.093 R)
• M9: 2,833,084 km (0.12 R)
• M10: 3,113,730 km (0.117 R)
• M11: 3,361,315 km (0.106 R)
• M12: 3,489,969 km (0.113 R)
• M13: 3,622,064 km (0.098 R)
• M14: 4,423,609 km (0.102 R)
• M15: 4,672,839 km (0.113 R)
• M16: 6,526,058 km (0.074 R)
• M17: 7,482,736 km (0.062 R)
• M18: 7,746,926 km (0.063 R)
• M19: 8,108,803 km (0.12 R)
• M20: 9,669,558 km (0.078 R)
• M21: 9,773,229 km (0.104 R)
• M22: 12,368,902 km (0.072 R)
• M23: 12,491,123 km (0.108 R)
• M24: 14,490,798 km (0.117 R)
• M25: 16,471,623 km (0.096 R)
• M26: 17,526,438 km (0.068 R)
• M27: 17,835,956 km (0.11 R)
• M28: 18,070,376 km (0.049 R)
• M29: 18,866,835 km (0.092 R)
• M30: 21,572,462 km (0.046 R)
• M31: 25,107,908 km (0.118 R)
• M32: 32,595,282 km (0.091 R)
• M33: 34,493,529 km (0.03 R)
• M34: 53,687,684 km (0.113 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: 412 - 19,644 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit