🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 726.8

Radius: 13.2

Gravity: 4.17 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.63 AU - 0.81 AU

Year: 401 Days

Day: 12.6 Hours

Environment

Temp: -132 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 22,522,572 km

• M1: 166,054 km (0.119 R)
• M2: 634,744 km (0.111 R)
• M3: 1,151,305 km (0.081 R)
• M4: 1,741,319 km (0.07 R)
• M5: 2,188,467 km (0.052 R)
• M6: 2,823,660 km (0.026 R)
• M7: 3,309,703 km (0.089 R)
• M8: 3,838,981 km (0.048 R)
• M9: 4,608,662 km (0.102 R)
• M10: 5,069,124 km (0.065 R)
• M11: 5,560,254 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 128

Radius: 14.1

Gravity: 0.64 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 0.99 AU - 1.31 AU

Year: 809 Days

Day: 8.6 Hours

Environment

Temp: -162 °C

Axial Tilt: 44.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 22,522,572 km

• M1: 175,329 km (0.032 R)
• M2: 972,386 km (0.037 R)
• M3: 1,880,744 km (0.102 R)
• M4: 3,280,532 km (0.076 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 145.1

Radius: 11.3

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 1.56 AU - 2.58 AU

Year: 1954 Days

Day: 5 Hours

Environment

Temp: -195 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 22,522,572 km

• M1: 140,472 km (0.098 R)
• M2: 513,121 km (0.09 R)
• M3: 959,072 km (0.047 R)
• M4: 1,576,014 km (0.109 R)
• M5: 2,239,779 km (0.107 R)
• M6: 2,614,073 km (0.091 R)
• M7: 3,858,877 km (0.104 R)
• M8: 5,234,878 km (0.057 R)
• M9: 5,799,610 km (0.091 R)
• M10: 6,233,743 km (0.036 R)
• M11: 7,005,519 km (0.113 R)
• M12: 7,546,614 km (0.12 R)
• M13: 8,873,248 km (0.106 R)
• M14: 9,311,121 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 758.1

Radius: 11.9

Gravity: 5.35 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 1.91 AU - 2.73 AU

Year: 2318 Days

Day: 5.5 Hours

Environment

Temp: -186 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 22,522,572 km

• M1: 149,747 km (0.112 R)
• M2: 1,266,047 km (0.117 R)
• M3: 1,850,825 km (0.064 R)
• M4: 2,413,014 km (0.052 R)
• M5: 4,402,815 km (0.049 R)
• M6: 7,548,409 km (0.087 R)
• M7: 8,956,574 km (0.112 R)
• M8: 13,233,577 km (0.071 R)
• M9: 16,776,504 km (0.057 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 138.2

Radius: 14.1

Gravity: 0.7 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 2.11 AU - 3.07 AU

Year: 2734 Days

Day: 13.9 Hours

Environment

Temp: -206 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 22,522,572 km

• M1: 178,919 km (0.074 R)
• M2: 684,261 km (0.115 R)
• M3: 1,129,165 km (0.115 R)
• M4: 1,732,194 km (0.116 R)
• M5: 2,584,004 km (0.092 R)
• M6: 3,134,823 km (0.088 R)
• M7: 3,669,037 km (0.053 R)
• M8: 8,045,822 km (0.1 R)
• M9: 8,624,766 km (0.113 R)
• M10: 9,591,019 km (0.091 R)
• M11: 10,242,667 km (0.097 R)
• M12: 11,056,779 km (0.104 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 377.2

Radius: 8.4

Gravity: 5.35 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 2.65 AU - 3.53 AU

Year: 3563 Days

Day: 6.9 Hours

Environment

Temp: -207 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 22,522,572 km

• M1: 105,167 km (0.105 R)
• M2: 730,187 km (0.099 R)
• M3: 1,305,840 km (0.105 R)
• M4: 1,622,987 km (0.09 R)
• M5: 2,003,863 km (0.12 R)
• M6: 2,898,309 km (0.085 R)
• M7: 6,199,186 km (0.109 R)
• M8: 7,776,995 km (0.095 R)
• M9: 9,389,810 km (0.075 R)
• M10: 9,862,539 km (0.063 R)
• M11: 10,816,076 km (0.063 R)
• M12: 14,760,224 km (0.107 R)
• M13: 16,628,103 km (0.119 R)
• M14: 17,105,170 km (0.112 R)
• M15: 17,865,427 km (0.119 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 823.1

Radius: 12

Gravity: 5.72 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 2.93 AU - 3.25 AU

Year: 3563 Days

Day: 14.8 Hours

Environment

Temp: -199 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 22,522,572 km

• M1: 149,299 km (0.08 R)
• M2: 2,393,117 km (0.117 R)
• M3: 2,982,832 km (0.113 R)
• M4: 3,370,440 km (0.099 R)
• M5: 3,854,988 km (0.06 R)
• M6: 4,597,143 km (0.047 R)
• M7: 5,040,700 km (0.119 R)
• M8: 6,336,068 km (0.104 R)
• M9: 9,613,758 km (0.106 R)
• M10: 11,282,971 km (0.098 R)
• M11: 13,284,441 km (0.069 R)
• M12: 14,499,325 km (0.074 R)
• M13: 19,274,489 km (0.045 R)
• M14: 21,163,910 km (0.073 R)
• M15: 22,327,333 km (0.103 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 284.9

Radius: 14.3

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 3.56 AU - 4.18 AU

Year: 4994 Days

Day: 6.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 42.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 22,522,572 km

• M1: 178,021 km (0.12 R)
• M2: 869,612 km (0.118 R)
• M3: 1,554,920 km (0.094 R)
• M4: 2,068,340 km (0.115 R)
• M5: 4,122,917 km (0.096 R)
• M6: 4,720,411 km (0.105 R)
• M7: 5,818,460 km (0.096 R)
• M8: 6,660,396 km (0.026 R)
• M9: 7,518,340 km (0.115 R)
• M10: 8,277,101 km (0.116 R)
• M11: 9,986,705 km (0.059 R)
• M12: 10,904,338 km (0.034 R)
• M13: 14,242,166 km (0.06 R)
• M14: 16,630,646 km (0.068 R)
• M15: 17,239,210 km (0.069 R)
• M16: 20,761,043 km (0.049 R)
• M17: 21,337,593 km (0.109 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 415 - 12,581 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit