🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.95

Radius: 0.98

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 0.75 AU - 0.99 AU

Year: 340 Days

Day: 47.8 Hours

Environment

Temp: -28 °C

Axial Tilt: 38.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.31

Radius: 1.61

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.87 AU - 1.37 AU

Year: 497 Days

Day: 47.3 Hours

Environment

Temp: -55 °C

Axial Tilt: 33.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.16

Radius: 1.36

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 1.24 AU - 1.88 AU

Year: 816 Days

Day: 32.6 Hours

Environment

Temp: -83 °C

Axial Tilt: 17.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.81

Radius: 1.71

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 1.38 AU - 2.1 AU

Year: 962 Days

Day: 45.5 Hours

Environment

Temp: -96 °C

Axial Tilt: 36.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 55,329,871 km

• M1: 350,209 km (0.066 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.26 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.14

Radius: 1.58

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 2.13 AU - 2.39 AU

Year: 1423 Days

Day: 21.5 Hours

Environment

Temp: -126 °C

Axial Tilt: 0.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.07

Radius: 1.75

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 2.66 AU - 2.7 AU

Year: 1838 Days

Day: 13.8 Hours

Environment

Temp: -120 °C

Axial Tilt: 42.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 55,329,871 km

• M1: 315,203 km (0.056 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 223.4

Radius: 8.7

Gravity: 2.95 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 3.3 AU - 3.5 AU

Year: 2627 Days

Day: 6.3 Hours

Environment

Temp: -137 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 55,329,871 km

• M1: 129,701 km (0.061 R)
• M2: 331,509 km (0.068 R)
• M3: 1,398,291 km (0.033 R)
• M4: 1,596,808 km (0.059 R)
• M5: 2,026,303 km (0.115 R)
• M6: 2,277,628 km (0.118 R)
• M7: 2,624,994 km (0.072 R)
• M8: 2,998,241 km (0.06 R)
• M9: 3,437,310 km (0.091 R)
• M10: 3,640,913 km (0.117 R)
• M11: 4,183,654 km (0.03 R)
• M12: 4,655,187 km (0.083 R)
• M13: 5,218,572 km (0.08 R)
• M14: 5,538,113 km (0.073 R)
• M15: 6,462,329 km (0.113 R)
• M16: 6,685,978 km (0.116 R)
• M17: 8,528,575 km (0.078 R)
• M18: 10,527,352 km (0.105 R)
• M19: 12,197,762 km (0.103 R)
• M20: 12,531,215 km (0.059 R)
• M21: 12,712,677 km (0.055 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 885.9

Radius: 11.6

Gravity: 6.58 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 4.41 AU - 6.03 AU

Year: 4997 Days

Day: 9.9 Hours

Environment

Temp: -164 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 55,329,871 km

• M1: 262,095 km (0.107 R)
• M2: 491,579 km (0.109 R)
• M3: 890,706 km (0.079 R)
• M4: 2,993,453 km (0.077 R)
• M5: 4,411,043 km (0.112 R)
• M6: 4,674,933 km (0.079 R)
• M7: 5,278,411 km (0.06 R)
• M8: 7,782,231 km (0.064 R)
• M9: 8,493,868 km (0.081 R)
• M10: 8,726,941 km (0.098 R)
• M11: 9,168,255 km (0.044 R)
• M12: 9,410,454 km (0.078 R)
• M13: 10,669,919 km (0.108 R)
• M14: 10,968,965 km (0.046 R)
• M15: 11,234,202 km (0.089 R)
• M16: 11,618,519 km (0.086 R)
• M17: 13,097,593 km (0.077 R)
• M18: 14,579,360 km (0.095 R)
• M19: 14,885,287 km (0.089 R)
• M20: 15,596,625 km (0.106 R)
• M21: 15,958,652 km (0.059 R)
• M22: 17,543,791 km (0.098 R)
• M23: 17,783,297 km (0.104 R)
• M24: 18,511,540 km (0.082 R)
• M25: 20,216,955 km (0.105 R)
• M26: 20,732,918 km (0.076 R)
• M27: 20,993,368 km (0.072 R)
• M28: 22,644,630 km (0.106 R)
• M29: 23,081,007 km (0.047 R)
• M30: 23,355,968 km (0.04 R)
• M31: 25,268,277 km (0.11 R)
• M32: 27,795,434 km (0.059 R)
• M33: 28,339,671 km (0.065 R)
• M34: 29,816,800 km (0.047 R)
• M35: 31,331,778 km (0.071 R)

Planet 9 - Gas Giant

Semi-Major Axis: 9.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 783.5

Radius: 14.6

Gravity: 3.68 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 8.1 AU - 10.2 AU

Year: 11596 Days

Day: 11.8 Hours

Environment

Temp: -184 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 55,329,871 km

• M1: 182,061 km (0.107 R)
• M2: 988,992 km (0.056 R)
• M3: 1,682,976 km (0.102 R)
• M4: 3,253,155 km (0.119 R)
• M5: 3,767,622 km (0.061 R)
• M6: 4,054,401 km (0.045 R)
• M7: 6,260,222 km (0.068 R)
• M8: 6,821,962 km (0.084 R)
• M9: 7,328,800 km (0.087 R)
• M10: 8,961,212 km (0.041 R)
• M11: 10,142,736 km (0.114 R)
• M12: 12,676,924 km (0.103 R)
• M13: 13,585,282 km (0.072 R)
• M14: 13,913,500 km (0.101 R)
• M15: 14,922,088 km (0.095 R)
• M16: 19,183,982 km (0.095 R)
• M17: 23,553,437 km (0.079 R)
• M18: 24,569,505 km (0.108 R)
• M19: 26,058,603 km (0.112 R)
• M20: 28,374,827 km (0.112 R)
• M21: 31,951,412 km (0.057 R)
• M22: 32,540,230 km (0.118 R)
• M23: 33,733,721 km (0.115 R)
• M24: 34,078,844 km (0.07 R)
• M25: 38,448,298 km (0.103 R)
• M26: 40,402,047 km (0.085 R)
• M27: 40,685,235 km (0.089 R)
• M28: 41,731,672 km (0.077 R)
• M29: 51,430,701 km (0.112 R)
• M30: 54,451,082 km (0.115 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 258 - 10,646 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit