🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 290.6

Radius: 15

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.62 AU - 0.84 AU

Year: 423 Days

Day: 5.8 Hours

Environment

Temp: -159 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 25,648,650 km

• M1: 186,698 km (0.104 R)
• M2: 831,166 km (0.114 R)
• M3: 1,309,879 km (0.069 R)
• M4: 2,188,467 km (0.07 R)
• M5: 2,748,262 km (0.117 R)
• M6: 4,126,508 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 293.5

Radius: 11

Gravity: 2.43 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.85 AU - 1.21 AU

Year: 709 Days

Day: 12.5 Hours

Environment

Temp: -172 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 25,648,650 km

• M1: 137,181 km (0.102 R)
• M2: 604,824 km (0.098 R)
• M3: 1,022,801 km (0.037 R)
• M4: 1,399,039 km (0.064 R)
• M5: 2,221,977 km (0.088 R)
• M6: 3,178,356 km (0.086 R)
• M7: 3,686,391 km (0.036 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 354.1

Radius: 12.1

Gravity: 2.42 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.99 AU - 1.41 AU

Year: 892 Days

Day: 8.6 Hours

Environment

Temp: -185 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 25,648,650 km

• M1: 150,795 km (0.06 R)
• M2: 537,954 km (0.104 R)
• M3: 1,009,187 km (0.062 R)
• M4: 1,465,311 km (0.088 R)
• M5: 1,961,826 km (0.055 R)
• M6: 2,580,414 km (0.095 R)
• M7: 3,114,927 km (0.115 R)
• M8: 3,546,816 km (0.12 R)
• M9: 4,691,988 km (0.043 R)
• M10: 5,692,797 km (0.114 R)
• M11: 6,303,007 km (0.116 R)
• M12: 6,893,470 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 661.8

Radius: 14.9

Gravity: 2.98 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 1.3 AU - 1.34 AU

Year: 1029 Days

Day: 14.1 Hours

Environment

Temp: -189 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 25,648,650 km

• M1: 185,501 km (0.051 R)
• M2: 724,054 km (0.086 R)
• M3: 1,380,040 km (0.115 R)
• M4: 2,018,374 km (0.115 R)
• M5: 2,838,769 km (0.096 R)
• M6: 3,412,178 km (0.098 R)
• M7: 4,565,129 km (0.054 R)
• M8: 7,388,190 km (0.111 R)
• M9: 9,452,940 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 735.2

Radius: 14.9

Gravity: 3.31 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 1.8 AU - 2.8 AU

Year: 2366 Days

Day: 14.7 Hours

Environment

Temp: -214 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 25,648,650 km

• M1: 186,549 km (0.101 R)
• M2: 1,009,935 km (0.119 R)
• M3: 1,747,154 km (0.106 R)
• M4: 2,709,367 km (0.12 R)
• M5: 3,700,603 km (0.072 R)
• M6: 4,425,105 km (0.116 R)
• M7: 4,989,687 km (0.095 R)
• M8: 5,978,380 km (0.047 R)
• M9: 6,837,969 km (0.029 R)
• M10: 8,377,032 km (0.083 R)
• M11: 8,938,323 km (0.084 R)
• M12: 10,890,426 km (0.09 R)
• M13: 12,007,922 km (0.074 R)
• M14: 13,826,134 km (0.064 R)
• M15: 14,518,025 km (0.102 R)
• M16: 15,329,892 km (0.102 R)
• M17: 17,307,426 km (0.087 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 483.5

Radius: 10

Gravity: 4.84 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 2.11 AU - 3.31 AU

Year: 3026 Days

Day: 6.9 Hours

Environment

Temp: -209 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 25,648,650 km

• M1: 124,615 km (0.096 R)
• M2: 445,054 km (0.119 R)
• M3: 929,751 km (0.053 R)
• M4: 1,347,428 km (0.09 R)
• M5: 1,877,453 km (0.027 R)
• M6: 2,527,606 km (0.082 R)
• M7: 3,776,449 km (0.058 R)
• M8: 5,204,959 km (0.1 R)
• M9: 6,679,395 km (0.106 R)
• M10: 7,347,051 km (0.071 R)
• M11: 7,806,017 km (0.11 R)
• M12: 11,051,692 km (0.06 R)
• M13: 11,451,418 km (0.112 R)
• M14: 12,796,003 km (0.047 R)
• M15: 13,688,056 km (0.058 R)
• M16: 15,546,061 km (0.031 R)
• M17: 16,457,860 km (0.055 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 243.8

Radius: 12.3

Gravity: 1.61 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 3.78 AU - 5.3 AU

Year: 6561 Days

Day: 12.9 Hours

Environment

Temp: -214 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 25,648,650 km

• M1: 153,039 km (0.086 R)
• M2: 666,010 km (0.09 R)
• M3: 1,433,896 km (0.103 R)
• M4: 2,137,903 km (0.113 R)
• M5: 2,766,364 km (0.093 R)
• M6: 3,245,227 km (0.067 R)
• M7: 3,821,178 km (0.103 R)
• M8: 4,488,086 km (0.04 R)
• M9: 5,826,837 km (0.093 R)
• M10: 9,472,238 km (0.092 R)
• M11: 10,400,942 km (0.063 R)
• M12: 10,952,060 km (0.095 R)
• M13: 11,567,356 km (0.092 R)
• M14: 13,853,511 km (0.101 R)
• M15: 17,945,461 km (0.029 R)
• M16: 18,925,776 km (0.12 R)
• M17: 20,859,628 km (0.088 R)
• M18: 23,350,283 km (0.095 R)
• M19: 24,296,489 km (0.081 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 424 - 16,749 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit