🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 209

Radius: 8.1

Gravity: 3.19 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.62 AU - 0.94 AU

Year: 438 Days

Day: 9.2 Hours

Environment

Temp: -143 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 70,203,641 km

• M1: 102,026 km (0.03 R)
• M2: 409,300 km (0.098 R)
• M3: 669,600 km (0.074 R)
• M4: 1,106,276 km (0.103 R)
• M5: 1,368,222 km (0.088 R)
• M6: 2,006,107 km (0.059 R)
• M7: 2,755,443 km (0.091 R)
• M8: 3,075,583 km (0.093 R)
• M9: 3,646,299 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 625.3

Radius: 10.9

Gravity: 5.26 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 1.04 AU - 1.72 AU

Year: 1031 Days

Day: 5.7 Hours

Environment

Temp: -183 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 70,203,641 km

• M1: 135,536 km (0.03 R)
• M2: 610,060 km (0.072 R)
• M3: 983,157 km (0.07 R)
• M4: 1,336,807 km (0.112 R)
• M5: 2,260,274 km (0.045 R)
• M6: 2,804,511 km (0.077 R)
• M7: 3,321,073 km (0.103 R)
• M8: 3,806,967 km (0.084 R)
• M9: 4,740,308 km (0.058 R)
• M10: 5,127,467 km (0.045 R)
• M11: 5,535,720 km (0.092 R)
• M12: 6,113,766 km (0.107 R)
• M13: 7,246,222 km (0.052 R)
• M14: 7,686,339 km (0.048 R)
• M15: 8,170,288 km (0.061 R)
• M16: 8,513,166 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 192

Radius: 9

Gravity: 2.37 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 1.48 AU - 1.58 AU

Year: 1203 Days

Day: 7.8 Hours

Environment

Temp: -174 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 70,203,641 km

• M1: 112,049 km (0.106 R)
• M2: 565,779 km (0.072 R)
• M3: 879,187 km (0.112 R)
• M4: 1,351,766 km (0.108 R)
• M5: 1,723,068 km (0.09 R)
• M6: 2,105,440 km (0.055 R)
• M7: 2,707,123 km (0.1 R)
• M8: 3,419,059 km (0.11 R)
• M9: 4,482,251 km (0.095 R)
• M10: 4,954,083 km (0.11 R)
• M11: 5,369,516 km (0.101 R)
• M12: 6,074,571 km (0.087 R)
• M13: 6,550,891 km (0.039 R)
• M14: 6,903,044 km (0.047 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 74.1

Radius: 13.3

Gravity: 0.42 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 1.98 AU - 2.84 AU

Year: 2379 Days

Day: 11.6 Hours

Environment

Temp: -187 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 70,203,641 km

• M1: 165,455 km (0.081 R)
• M2: 587,172 km (0.109 R)
• M3: 1,047,185 km (0.043 R)
• M4: 2,108,582 km (0.12 R)
• M5: 2,706,824 km (0.087 R)
• M6: 4,439,317 km (0.057 R)
• M7: 4,891,402 km (0.068 R)
• M8: 6,799,074 km (0.101 R)
• M9: 8,114,637 km (0.086 R)
• M10: 8,563,431 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 738

Radius: 10.7

Gravity: 6.45 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 5.27 AU - 5.47 AU

Year: 7912 Days

Day: 11.5 Hours

Environment

Temp: -213 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 70,203,641 km

• M1: 134,788 km (0.054 R)
• M2: 510,129 km (0.114 R)
• M3: 878,140 km (0.108 R)
• M4: 2,487,214 km (0.106 R)
• M5: 2,937,354 km (0.118 R)
• M6: 3,875,632 km (0.105 R)
• M7: 4,400,721 km (0.108 R)
• M8: 5,370,863 km (0.067 R)
• M9: 6,878,959 km (0.106 R)
• M10: 9,504,551 km (0.104 R)
• M11: 11,481,936 km (0.12 R)
• M12: 14,260,716 km (0.096 R)
• M13: 15,321,365 km (0.076 R)
• M14: 19,562,764 km (0.078 R)
• M15: 20,636,129 km (0.105 R)
• M16: 21,426,753 km (0.059 R)
• M17: 26,785,499 km (0.068 R)
• M18: 38,022,692 km (0.101 R)
• M19: 41,659,716 km (0.062 R)
• M20: 42,035,655 km (0.113 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 33.1

Radius: 3.8

Gravity: 2.29 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 8.15 AU - 8.87 AU

Year: 15784 Days

Day: 17.1 Hours

Environment

Temp: -220 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 70,203,641 km

• M1: 47,273 km (0.099 R)
• M2: 259,852 km (0.112 R)
• M3: 429,795 km (0.118 R)
• M4: 757,713 km (0.06 R)
• M5: 1,470,098 km (0.098 R)
• M6: 2,156,902 km (0.09 R)
• M7: 5,382,382 km (0.118 R)
• M8: 6,326,793 km (0.096 R)
• M9: 6,715,448 km (0.091 R)
• M10: 7,409,134 km (0.112 R)
• M11: 8,827,022 km (0.12 R)
• M12: 15,548,155 km (0.11 R)
• M13: 19,169,770 km (0.061 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 757.7

Radius: 7.4

Gravity: 13.84 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 7.09 AU - 10.69 AU

Year: 16853 Days

Day: 21.5 Hours

Environment

Temp: -234 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 70,203,641 km

• M1: 92,003 km (0.095 R)
• M2: 348,114 km (0.095 R)
• M3: 890,706 km (0.118 R)
• M4: 1,411,606 km (0.069 R)
• M5: 1,698,085 km (0.108 R)
• M6: 2,042,460 km (0.112 R)
• M7: 2,634,568 km (0.111 R)
• M8: 2,946,031 km (0.077 R)
• M9: 3,557,737 km (0.073 R)
• M10: 3,878,774 km (0.093 R)
• M11: 4,155,679 km (0.065 R)
• M12: 4,412,988 km (0.11 R)
• M13: 4,784,140 km (0.106 R)
• M14: 5,067,029 km (0.101 R)
• M15: 5,588,976 km (0.043 R)
• M16: 8,647,355 km (0.083 R)
• M17: 9,836,958 km (0.034 R)
• M18: 11,441,544 km (0.116 R)
• M19: 18,128,868 km (0.071 R)
• M20: 21,463,554 km (0.073 R)
• M21: 24,037,386 km (0.081 R)
• M22: 25,827,324 km (0.104 R)
• M23: 26,152,101 km (0.117 R)
• M24: 26,699,630 km (0.12 R)
• M25: 29,552,162 km (0.098 R)
• M26: 30,627,022 km (0.111 R)
• M27: 31,975,797 km (0.106 R)
• M28: 32,601,714 km (0.098 R)
• M29: 34,137,337 km (0.117 R)
• M30: 35,453,349 km (0.03 R)
• M31: 38,467,148 km (0.117 R)
• M32: 43,149,262 km (0.076 R)
• M33: 49,352,188 km (0.093 R)
• M34: 56,305,048 km (0.083 R)
• M35: 57,034,338 km (0.085 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 276 - 14,896 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit