🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 736.4

Radius: 14.8

Gravity: 3.36 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 0.46 AU - 0.58 AU

Year: 259 Days

Day: 12.9 Hours

Environment

Temp: -148 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 62,429,599 km

• M1: 184,005 km (0.099 R)
• M2: 670,797 km (0.079 R)
• M3: 1,188,106 km (0.067 R)
• M4: 1,982,172 km (0.046 R)
• M5: 2,691,864 km (0.118 R)
• M6: 3,687,737 km (0.116 R)
• M7: 4,162,262 km (0.064 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 968.3

Radius: 8.8

Gravity: 12.5 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 0.57 AU - 0.67 AU

Year: 337 Days

Day: 13.1 Hours

Environment

Temp: -148 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 62,429,599 km

• M1: 109,506 km (0.071 R)
• M2: 388,206 km (0.112 R)
• M3: 706,700 km (0.049 R)
• M4: 1,005,148 km (0.085 R)
• M5: 1,321,996 km (0.047 R)
• M6: 2,215,096 km (0.117 R)
• M7: 2,553,785 km (0.115 R)
• M8: 3,121,360 km (0.116 R)
• M9: 3,795,896 km (0.03 R)
• M10: 4,120,973 km (0.082 R)
• M11: 4,408,350 km (0.051 R)
• M12: 4,917,432 km (0.071 R)
• M13: 5,464,960 km (0.077 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 739.5

Radius: 14.6

Gravity: 3.47 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 1.2 AU - 1.4 AU

Year: 1023 Days

Day: 8.4 Hours

Environment

Temp: -189 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 62,429,599 km

• M1: 181,612 km (0.101 R)
• M2: 638,933 km (0.107 R)
• M3: 1,634,357 km (0.091 R)
• M4: 2,277,029 km (0.103 R)
• M5: 2,851,036 km (0.068 R)
• M6: 3,625,355 km (0.071 R)
• M7: 4,501,550 km (0.08 R)
• M8: 6,076,366 km (0.103 R)
• M9: 6,978,441 km (0.096 R)
• M10: 8,098,032 km (0.055 R)
• M11: 8,797,701 km (0.105 R)
• M12: 10,226,211 km (0.03 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 365

Radius: 8.2

Gravity: 5.43 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 1.1 AU - 1.58 AU

Year: 1071 Days

Day: 6.9 Hours

Environment

Temp: -195 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 62,429,599 km

• M1: 102,175 km (0.099 R)
• M2: 399,277 km (0.102 R)
• M3: 829,670 km (0.092 R)
• M4: 1,133,353 km (0.085 R)
• M5: 1,688,960 km (0.117 R)
• M6: 2,077,316 km (0.118 R)
• M7: 2,524,464 km (0.031 R)
• M8: 3,540,682 km (0.072 R)
• M9: 3,814,297 km (0.05 R)
• M10: 4,211,629 km (0.044 R)
• M11: 4,469,835 km (0.081 R)
• M12: 5,198,376 km (0.096 R)
• M13: 6,166,125 km (0.109 R)
• M14: 6,649,625 km (0.066 R)
• M15: 6,956,151 km (0.112 R)
• M16: 7,226,325 km (0.092 R)
• M17: 7,932,876 km (0.071 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 605.9

Radius: 11.3

Gravity: 4.75 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 1.8 AU - 2.02 AU

Year: 1822 Days

Day: 14.4 Hours

Environment

Temp: -190 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 62,429,599 km

• M1: 153,039 km (0.09 R)
• M2: 625,020 km (0.114 R)
• M3: 1,150,108 km (0.083 R)
• M4: 2,396,109 km (0.091 R)
• M5: 3,597,829 km (0.073 R)
• M6: 5,121,633 km (0.099 R)
• M7: 6,172,857 km (0.115 R)
• M8: 7,953,670 km (0.12 R)
• M9: 9,587,728 km (0.096 R)
• M10: 12,619,777 km (0.105 R)
• M11: 13,716,778 km (0.105 R)
• M12: 14,096,159 km (0.103 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 747.8

Radius: 13.9

Gravity: 3.87 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 3.85 AU - 4.63 AU

Year: 6026 Days

Day: 10.5 Hours

Environment

Temp: -214 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 62,429,599 km

• M1: 172,935 km (0.057 R)
• M2: 950,395 km (0.067 R)
• M3: 1,398,142 km (0.107 R)
• M4: 1,991,297 km (0.09 R)
• M5: 2,587,894 km (0.059 R)
• M6: 3,764,630 km (0.084 R)
• M7: 5,419,183 km (0.082 R)
• M8: 6,799,672 km (0.059 R)
• M9: 7,779,538 km (0.086 R)
• M10: 8,851,407 km (0.048 R)
• M11: 9,929,708 km (0.079 R)
• M12: 11,045,409 km (0.052 R)
• M13: 11,683,893 km (0.102 R)
• M14: 12,398,971 km (0.029 R)
• M15: 15,615,475 km (0.098 R)
• M16: 16,169,884 km (0.082 R)
• M17: 17,318,198 km (0.081 R)
• M18: 21,767,986 km (0.076 R)
• M19: 25,462,605 km (0.114 R)
• M20: 26,059,351 km (0.072 R)
• M21: 28,906,797 km (0.059 R)
• M22: 30,310,473 km (0.111 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 524.6

Radius: 3.3

Gravity: 48.17 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 6.58 AU - 10.34 AU

Year: 16985 Days

Day: 15.4 Hours

Environment

Temp: -241 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 62,429,599 km

• M1: 40,990 km (0.083 R)
• M2: 168,896 km (0.091 R)
• M3: 277,953 km (0.117 R)
• M4: 586,424 km (0.12 R)
• M5: 1,163,123 km (0.113 R)
• M6: 1,759,421 km (0.108 R)
• M7: 2,283,163 km (0.113 R)
• M8: 2,471,656 km (0.069 R)
• M9: 3,827,910 km (0.066 R)
• M10: 4,864,175 km (0.08 R)
• M11: 5,283,348 km (0.111 R)
• M12: 6,685,230 km (0.061 R)
• M13: 7,381,009 km (0.087 R)
• M14: 8,513,166 km (0.064 R)
• M15: 8,762,845 km (0.069 R)
• M16: 9,919,685 km (0.086 R)
• M17: 10,420,988 km (0.063 R)
• M18: 10,649,124 km (0.082 R)
• M19: 13,856,652 km (0.073 R)
• M20: 14,482,420 km (0.101 R)
• M21: 16,319,333 km (0.111 R)
• M22: 20,093,986 km (0.067 R)
• M23: 22,559,808 km (0.115 R)
• M24: 23,230,605 km (0.041 R)
• M25: 24,311,300 km (0.105 R)
• M26: 24,511,312 km (0.093 R)
• M27: 24,712,371 km (0.104 R)
• M28: 26,151,204 km (0.057 R)
• M29: 27,212,451 km (0.115 R)
• M30: 30,336,204 km (0.071 R)
• M31: 31,984,025 km (0.098 R)
• M32: 33,690,488 km (0.102 R)
• M33: 35,843,051 km (0.063 R)
• M34: 37,019,040 km (0.114 R)
• M35: 37,816,995 km (0.11 R)
• M36: 46,284,534 km (0.045 R)
• M37: 55,238,415 km (0.115 R)
• M38: 56,279,916 km (0.093 R)
• M39: 61,683,989 km (0.093 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: 270 - 14,508 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit