🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 618.7

Radius: 13.5

Gravity: 3.39 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 0.59 AU - 0.73 AU

Year: 358 Days

Day: 8.6 Hours

Environment

Temp: -148 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 33,339,145 km

• M1: 167,998 km (0.075 R)
• M2: 715,676 km (0.069 R)
• M3: 1,140,983 km (0.051 R)
• M4: 2,284,958 km (0.084 R)
• M5: 2,779,977 km (0.095 R)
• M6: 3,248,967 km (0.072 R)
• M7: 3,867,255 km (0.109 R)
• M8: 4,549,570 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 364.6

Radius: 12.2

Gravity: 2.45 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.67 AU - 0.87 AU

Year: 451 Days

Day: 13.1 Hours

Environment

Temp: -156 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 33,339,145 km

• M1: 151,692 km (0.105 R)
• M2: 544,087 km (0.09 R)
• M3: 1,048,531 km (0.06 R)
• M4: 1,630,916 km (0.118 R)
• M5: 2,162,736 km (0.12 R)
• M6: 2,620,057 km (0.087 R)
• M7: 3,089,645 km (0.118 R)
• M8: 3,557,886 km (0.088 R)
• M9: 4,149,097 km (0.103 R)
• M10: 4,542,988 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 205.9

Radius: 15

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 0.7 AU - 0.92 AU

Year: 486 Days

Day: 14.6 Hours

Environment

Temp: -169 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 33,339,145 km

• M1: 190,438 km (0.079 R)
• M2: 688,749 km (0.105 R)
• M3: 1,373,159 km (0.075 R)
• M4: 2,400,747 km (0.076 R)
• M5: 3,289,208 km (0.076 R)
• M6: 3,873,687 km (0.064 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 43.9

Radius: 11.2

Gravity: 0.35 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 0.8 AU - 0.94 AU

Year: 541 Days

Day: 13.3 Hours

Environment

Temp: -167 °C

Axial Tilt: 44.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 33,339,145 km

• M1: 140,173 km (0.093 R)
• M2: 529,277 km (0.037 R)
• M3: 1,056,011 km (0.113 R)
• M4: 1,448,257 km (0.047 R)
• M5: 1,957,189 km (0.116 R)
• M6: 2,553,785 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 35.8

Radius: 12.7

Gravity: 0.22 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 2.02 AU - 2.14 AU

Year: 2000 Days

Day: 14.9 Hours

Environment

Temp: -209 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 33,339,145 km

• M1: 160,369 km (0.083 R)
• M2: 606,769 km (0.094 R)
• M3: 1,212,341 km (0.117 R)
• M4: 2,085,843 km (0.104 R)
• M5: 4,367,959 km (0.088 R)
• M6: 5,847,781 km (0.096 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 981.3

Radius: 12.9

Gravity: 5.9 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 4.13 AU - 5.53 AU

Year: 7079 Days

Day: 5.6 Hours

Environment

Temp: -215 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 33,339,145 km

• M1: 161,117 km (0.114 R)
• M2: 983,456 km (0.042 R)
• M3: 1,885,831 km (0.072 R)
• M4: 2,379,354 km (0.112 R)
• M5: 2,896,963 km (0.063 R)
• M6: 3,852,594 km (0.04 R)
• M7: 4,800,895 km (0.11 R)
• M8: 5,252,680 km (0.068 R)
• M9: 5,899,242 km (0.075 R)
• M10: 7,274,196 km (0.077 R)
• M11: 7,790,608 km (0.098 R)
• M12: 8,416,825 km (0.091 R)
• M13: 9,076,552 km (0.06 R)
• M14: 11,794,595 km (0.025 R)
• M15: 12,230,823 km (0.075 R)
• M16: 14,638,451 km (0.067 R)
• M17: 15,206,624 km (0.117 R)
• M18: 16,252,911 km (0.084 R)
• M19: 17,911,652 km (0.077 R)
• M20: 18,635,108 km (0.096 R)
• M21: 21,644,269 km (0.09 R)
• M22: 22,216,780 km (0.098 R)
• M23: 22,631,914 km (0.115 R)
• M24: 24,256,696 km (0.086 R)
• M25: 27,072,876 km (0.059 R)
• M26: 31,434,552 km (0.027 R)
• M27: 32,807,860 km (0.037 R)
• M28: 38,943,019 km (0.09 R)
• M29: 39,668,718 km (0.105 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 446

Radius: 11.6

Gravity: 3.31 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 4.61 AU - 5.15 AU

Year: 7189 Days

Day: 13.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 33,339,145 km

• M1: 144,212 km (0.074 R)
• M2: 558,748 km (0.101 R)
• M3: 1,086,081 km (0.073 R)
• M4: 1,579,754 km (0.086 R)
• M5: 3,010,657 km (0.055 R)
• M6: 3,417,713 km (0.119 R)
• M7: 4,521,745 km (0.12 R)
• M8: 5,488,297 km (0.104 R)
• M9: 6,036,424 km (0.061 R)
• M10: 6,621,052 km (0.106 R)
• M11: 7,350,192 km (0.079 R)
• M12: 8,846,171 km (0.06 R)
• M13: 10,444,325 km (0.115 R)
• M14: 11,096,572 km (0.052 R)
• M15: 12,585,818 km (0.104 R)
• M16: 13,110,757 km (0.091 R)
• M17: 14,831,432 km (0.113 R)
• M18: 15,715,855 km (0.081 R)
• M19: 20,964,795 km (0.105 R)
• M20: 21,405,660 km (0.115 R)
• M21: 22,765,654 km (0.067 R)
• M22: 24,667,492 km (0.11 R)
• M23: 26,931,057 km (0.11 R)
• M24: 28,157,760 km (0.107 R)
• M25: 28,965,738 km (0.092 R)
• M26: 29,604,820 km (0.063 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 470 - 20,354 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit