🌌 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: 750.5

Radius: 10.8

Gravity: 6.43 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 0.72 AU - 0.72 AU

Year: 407 Days

Day: 12.7 Hours

Environment

Temp: -151 °C

Axial Tilt: 42.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 70,234,749 km

• M1: 135,236 km (0.089 R)
• M2: 494,720 km (0.116 R)
• M3: 952,041 km (0.104 R)
• M4: 1,406,519 km (0.119 R)
• M5: 1,869,076 km (0.118 R)
• M6: 2,555,580 km (0.088 R)
• M7: 2,974,155 km (0.075 R)
• M8: 3,450,325 km (0.08 R)
• M9: 3,846,909 km (0.098 R)
• M10: 4,427,798 km (0.047 R)
• M11: 5,144,521 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 761

Radius: 13.1

Gravity: 4.43 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 1.05 AU - 1.19 AU

Year: 790 Days

Day: 10 Hours

Environment

Temp: -176 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 70,234,749 km

• M1: 165,904 km (0.071 R)
• M2: 588,967 km (0.059 R)
• M3: 1,042,697 km (0.106 R)
• M4: 1,530,386 km (0.094 R)
• M5: 2,550,344 km (0.106 R)
• M6: 2,961,739 km (0.104 R)
• M7: 3,743,238 km (0.098 R)
• M8: 6,076,516 km (0.09 R)
• M9: 6,797,278 km (0.083 R)
• M10: 7,270,457 km (0.093 R)
• M11: 8,157,871 km (0.089 R)
• M12: 9,116,345 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 943.8

Radius: 12

Gravity: 6.55 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 1.25 AU - 1.95 AU

Year: 1350 Days

Day: 13.9 Hours

Environment

Temp: -197 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 70,234,749 km

• M1: 149,299 km (0.075 R)
• M2: 770,429 km (0.118 R)
• M3: 1,230,143 km (0.116 R)
• M4: 2,001,919 km (0.033 R)
• M5: 3,239,093 km (0.12 R)
• M6: 3,789,015 km (0.113 R)
• M7: 4,214,022 km (0.109 R)
• M8: 4,810,320 km (0.069 R)
• M9: 5,707,308 km (0.1 R)
• M10: 6,100,900 km (0.039 R)
• M11: 6,763,469 km (0.09 R)
• M12: 7,582,817 km (0.041 R)
• M13: 8,030,862 km (0.079 R)
• M14: 8,766,585 km (0.071 R)
• M15: 9,260,707 km (0.092 R)
• M16: 10,338,559 km (0.097 R)
• M17: 10,820,414 km (0.094 R)
• M18: 12,166,496 km (0.094 R)
• M19: 12,664,956 km (0.056 R)
• M20: 13,297,306 km (0.073 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 315.7

Radius: 4.7

Gravity: 14.29 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 6.44 AU - 8.38 AU

Year: 13451 Days

Day: 23.5 Hours

Environment

Temp: -237 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 70,234,749 km

• M1: 58,493 km (0.117 R)
• M2: 506,239 km (0.039 R)
• M3: 1,453,343 km (0.102 R)
• M4: 1,752,389 km (0.043 R)
• M5: 2,178,295 km (0.076 R)
• M6: 2,415,557 km (0.067 R)
• M7: 3,325,710 km (0.053 R)
• M8: 3,517,345 km (0.093 R)
• M9: 3,870,546 km (0.087 R)
• M10: 6,105,987 km (0.079 R)
• M11: 6,321,108 km (0.077 R)
• M12: 6,728,613 km (0.12 R)
• M13: 8,624,317 km (0.104 R)
• M14: 12,149,142 km (0.034 R)
• M15: 14,989,407 km (0.085 R)
• M16: 16,321,726 km (0.039 R)
• M17: 17,229,037 km (0.055 R)
• M18: 18,465,314 km (0.089 R)
• M19: 20,151,731 km (0.111 R)
• M20: 20,548,764 km (0.116 R)
• M21: 21,358,537 km (0.058 R)
• M22: 25,636,138 km (0.107 R)
• M23: 30,973,940 km (0.117 R)
• M24: 32,796,192 km (0.061 R)
• M25: 38,811,971 km (0.111 R)
• M26: 41,436,366 km (0.038 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 785.7

Radius: 4.9

Gravity: 32.72 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 6.15 AU - 9.47 AU

Year: 14555 Days

Day: 19.8 Hours

Environment

Temp: -234 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 70,234,749 km

• M1: 61,036 km (0.095 R)
• M2: 794,215 km (0.101 R)
• M3: 1,140,983 km (0.083 R)
• M4: 1,551,330 km (0.047 R)
• M5: 2,190,412 km (0.066 R)
• M6: 2,459,688 km (0.068 R)
• M7: 2,704,580 km (0.114 R)
• M8: 2,990,162 km (0.114 R)
• M9: 4,089,258 km (0.034 R)
• M10: 4,933,588 km (0.108 R)
• M11: 7,588,801 km (0.099 R)
• M12: 7,869,446 km (0.093 R)
• M13: 8,854,548 km (0.084 R)
• M14: 11,306,607 km (0.083 R)
• M15: 16,467,434 km (0.117 R)
• M16: 18,823,451 km (0.119 R)
• M17: 27,329,885 km (0.118 R)
• M18: 31,923,288 km (0.112 R)
• M19: 38,355,398 km (0.101 R)
• M20: 38,904,422 km (0.12 R)
• M21: 46,061,334 km (0.076 R)
• M22: 64,247,648 km (0.083 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 685.1

Radius: 5.6

Gravity: 21.85 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 7.87 AU - 9.95 AU

Year: 17736 Days

Day: 18 Hours

Environment

Temp: -227 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 70,234,749 km

• M1: 89,759 km (0.066 R)
• M2: 390,600 km (0.084 R)
• M3: 574,007 km (0.092 R)
• M4: 1,114,205 km (0.066 R)
• M5: 1,780,963 km (0.078 R)
• M6: 2,975,950 km (0.115 R)
• M7: 3,652,582 km (0.042 R)
• M8: 6,128,426 km (0.066 R)
• M9: 8,735,468 km (0.042 R)
• M10: 9,935,393 km (0.097 R)
• M11: 12,457,912 km (0.115 R)
• M12: 12,792,114 km (0.055 R)
• M13: 14,188,909 km (0.105 R)
• M14: 20,984,243 km (0.045 R)
• M15: 21,457,421 km (0.089 R)
• M16: 22,131,808 km (0.103 R)
• M17: 26,587,431 km (0.08 R)
• M18: 31,236,634 km (0.11 R)
• M19: 31,853,426 km (0.058 R)
• M20: 32,102,357 km (0.112 R)
• M21: 37,358,328 km (0.096 R)
• M22: 43,617,653 km (0.038 R)
• M23: 55,063,535 km (0.116 R)
• M24: 59,848,274 km (0.097 R)
• M25: 64,703,473 km (0.067 R)
• M26: 65,102,899 km (0.091 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 181 - 15,390 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit