🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.59 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.46

Radius: 1.16

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.98 AU - 1.38 AU

Year: 494 Days

Day: 42.9 Hours

Environment

Temp: -22 °C

Axial Tilt: 23.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 36,825,140 km

• M1: 541,245 km (0.083 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.41

Radius: 0.7

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 1.24 AU - 1.3 AU

Year: 551 Days

Day: 25.4 Hours

Environment

Temp: -37 °C

Axial Tilt: 44.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.03

Radius: 1.33

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 1.13 AU - 1.61 AU

Year: 617 Days

Day: 12.4 Hours

Environment

Temp: -57 °C

Axial Tilt: 124.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 4.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 316.4

Radius: 10

Gravity: 3.16 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 3.75 AU - 5.29 AU

Year: 3700 Days

Day: 7.5 Hours

Environment

Temp: -145 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 36,825,140 km

• M1: 124,765 km (0.117 R)
• M2: 568,173 km (0.12 R)
• M3: 1,093,112 km (0.084 R)
• M4: 1,422,377 km (0.09 R)
• M5: 1,899,594 km (0.101 R)
• M6: 2,509,953 km (0.117 R)
• M7: 2,980,887 km (0.111 R)
• M8: 4,304,679 km (0.099 R)
• M9: 5,779,265 km (0.115 R)
• M10: 6,971,859 km (0.107 R)
• M11: 7,383,852 km (0.054 R)
• M12: 7,874,533 km (0.119 R)
• M13: 8,224,293 km (0.117 R)
• M14: 10,622,795 km (0.093 R)
• M15: 11,734,008 km (0.064 R)
• M16: 14,093,167 km (0.028 R)
• M17: 15,042,066 km (0.054 R)
• M18: 16,596,089 km (0.102 R)
• M19: 17,066,723 km (0.118 R)
• M20: 17,654,045 km (0.065 R)
• M21: 18,982,025 km (0.066 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 437.1

Radius: 12.4

Gravity: 2.84 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 5.24 AU - 6.72 AU

Year: 5630 Days

Day: 9.1 Hours

Environment

Temp: -161 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 36,825,140 km

• M1: 154,235 km (0.101 R)
• M2: 705,055 km (0.109 R)
• M3: 1,168,958 km (0.088 R)
• M4: 1,958,535 km (0.094 R)
• M5: 2,441,736 km (0.065 R)
• M6: 2,949,621 km (0.11 R)
• M7: 3,486,827 km (0.082 R)
• M8: 4,296,600 km (0.094 R)
• M9: 5,068,376 km (0.115 R)
• M10: 5,814,121 km (0.092 R)
• M11: 6,695,103 km (0.09 R)
• M12: 8,646,009 km (0.113 R)
• M13: 10,906,283 km (0.076 R)
• M14: 12,535,254 km (0.118 R)
• M15: 14,970,409 km (0.108 R)
• M16: 17,521,651 km (0.104 R)
• M17: 18,900,494 km (0.119 R)
• M18: 21,450,390 km (0.099 R)
• M19: 26,170,203 km (0.072 R)
• M20: 27,470,807 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 773.7

Radius: 8.7

Gravity: 10.22 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 5.46 AU - 7.48 AU

Year: 6336 Days

Day: 14.4 Hours

Environment

Temp: -167 °C

Axial Tilt: 47.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 36,825,140 km

• M1: 110,852 km (0.095 R)
• M2: 520,900 km (0.114 R)
• M3: 1,060,350 km (0.105 R)
• M4: 1,615,956 km (0.117 R)
• M5: 1,938,040 km (0.053 R)
• M6: 2,493,497 km (0.092 R)
• M7: 2,789,851 km (0.115 R)
• M8: 3,214,559 km (0.104 R)
• M9: 3,635,677 km (0.057 R)
• M10: 3,969,131 km (0.096 R)
• M11: 4,865,072 km (0.108 R)
• M12: 5,330,621 km (0.086 R)
• M13: 5,986,757 km (0.115 R)
• M14: 6,453,203 km (0.106 R)
• M15: 7,346,452 km (0.111 R)
• M16: 8,901,223 km (0.068 R)
• M17: 10,098,754 km (0.066 R)
• M18: 10,426,074 km (0.084 R)
• M19: 12,919,272 km (0.118 R)
• M20: 15,847,351 km (0.106 R)
• M21: 17,331,961 km (0.119 R)
• M22: 18,766,604 km (0.087 R)
• M23: 21,715,328 km (0.079 R)
• M24: 22,657,046 km (0.045 R)
• M25: 28,513,205 km (0.089 R)
• M26: 29,928,400 km (0.095 R)
• M27: 32,491,610 km (0.107 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 239 - 10,520 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit