🌌 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: 438.2

Radius: 8.8

Gravity: 5.66 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 0.64 AU - 0.8 AU

Year: 414 Days

Day: 9.2 Hours

Environment

Temp: -165 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 61,318,294 km

• M1: 109,655 km (0.102 R)
• M2: 416,630 km (0.109 R)
• M3: 841,787 km (0.101 R)
• M4: 1,159,234 km (0.091 R)
• M5: 1,538,016 km (0.094 R)
• M6: 1,825,842 km (0.071 R)
• M7: 2,224,072 km (0.095 R)
• M8: 2,604,200 km (0.103 R)
• M9: 3,111,037 km (0.069 R)
• M10: 3,741,892 km (0.093 R)
• M11: 4,334,897 km (0.106 R)
• M12: 4,902,173 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 144.8

Radius: 9.8

Gravity: 1.51 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 1.16 AU - 1.2 AU

Year: 869 Days

Day: 7 Hours

Environment

Temp: -180 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 61,318,294 km

• M1: 121,922 km (0.112 R)
• M2: 459,714 km (0.05 R)
• M3: 840,441 km (0.107 R)
• M4: 1,415,794 km (0.109 R)
• M5: 1,763,161 km (0.099 R)
• M6: 3,429,232 km (0.099 R)
• M7: 3,832,099 km (0.082 R)
• M8: 4,198,464 km (0.077 R)
• M9: 5,078,698 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 36.2

Radius: 11.1

Gravity: 0.29 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 1.09 AU - 1.57 AU

Year: 1040 Days

Day: 8 Hours

Environment

Temp: -181 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 61,318,294 km

• M1: 138,079 km (0.109 R)
• M2: 490,382 km (0.088 R)
• M3: 984,354 km (0.103 R)
• M4: 1,898,247 km (0.078 R)
• M5: 2,641,150 km (0.08 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 279.7

Radius: 12.4

Gravity: 1.82 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 2.24 AU - 3.48 AU

Year: 3281 Days

Day: 8.1 Hours

Environment

Temp: -210 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 61,318,294 km

• M1: 222,901 km (0.054 R)
• M2: 734,825 km (0.111 R)
• M3: 1,300,903 km (0.078 R)
• M4: 1,691,653 km (0.106 R)
• M5: 2,456,846 km (0.11 R)
• M6: 3,066,158 km (0.107 R)
• M7: 6,229,255 km (0.101 R)
• M8: 6,863,700 km (0.109 R)
• M9: 9,807,038 km (0.072 R)
• M10: 11,890,338 km (0.106 R)
• M11: 12,331,801 km (0.09 R)
• M12: 14,388,473 km (0.048 R)
• M13: 16,367,503 km (0.1 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 380.2

Radius: 5

Gravity: 15.21 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 6.3 AU - 10.18 AU

Year: 16043 Days

Day: 24.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 61,318,294 km

• M1: 62,382 km (0.093 R)
• M2: 331,808 km (0.051 R)
• M3: 493,523 km (0.103 R)
• M4: 864,975 km (0.111 R)
• M5: 1,297,313 km (0.098 R)
• M6: 2,620,057 km (0.082 R)
• M7: 2,815,731 km (0.101 R)
• M8: 4,655,486 km (0.095 R)
• M9: 6,328,588 km (0.094 R)
• M10: 6,842,906 km (0.072 R)
• M11: 7,048,004 km (0.116 R)
• M12: 7,470,319 km (0.058 R)
• M13: 8,365,513 km (0.083 R)
• M14: 8,695,227 km (0.104 R)
• M15: 9,943,322 km (0.092 R)
• M16: 10,100,699 km (0.036 R)
• M17: 10,420,539 km (0.086 R)
• M18: 11,024,316 km (0.098 R)
• M19: 12,301,283 km (0.117 R)
• M20: 12,975,521 km (0.119 R)
• M21: 13,163,565 km (0.073 R)
• M22: 14,531,189 km (0.103 R)
• M23: 15,919,308 km (0.114 R)
• M24: 18,636,604 km (0.047 R)
• M25: 19,442,936 km (0.106 R)
• M26: 21,912,498 km (0.119 R)
• M27: 22,538,415 km (0.114 R)
• M28: 24,967,885 km (0.084 R)
• M29: 25,356,540 km (0.101 R)
• M30: 25,650,649 km (0.073 R)
• M31: 25,947,152 km (0.113 R)
• M32: 30,671,453 km (0.066 R)
• M33: 34,960,873 km (0.114 R)
• M34: 36,061,614 km (0.113 R)
• M35: 40,295,234 km (0.116 R)
• M36: 43,855,364 km (0.109 R)
• M37: 49,732,915 km (0.089 R)
• M38: 53,178,901 km (0.102 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 256.8

Radius: 5.2

Gravity: 9.5 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 8.14 AU - 10.22 AU

Year: 18865 Days

Day: 15.9 Hours

Environment

Temp: -242 °C

Axial Tilt: 41.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 61,318,294 km

• M1: 64,776 km (0.091 R)
• M2: 288,724 km (0.104 R)
• M3: 625,917 km (0.087 R)
• M4: 1,259,165 km (0.072 R)
• M5: 1,907,522 km (0.087 R)
• M6: 2,382,944 km (0.102 R)
• M7: 2,627,537 km (0.045 R)
• M8: 3,412,477 km (0.119 R)
• M9: 3,858,877 km (0.064 R)
• M10: 4,053,654 km (0.085 R)
• M11: 4,284,333 km (0.094 R)
• M12: 4,740,308 km (0.084 R)
• M13: 7,138,362 km (0.084 R)
• M14: 7,305,462 km (0.119 R)
• M15: 8,180,460 km (0.062 R)
• M16: 9,671,652 km (0.102 R)
• M17: 11,851,742 km (0.058 R)
• M18: 13,368,963 km (0.103 R)
• M19: 14,206,861 km (0.119 R)
• M20: 14,605,240 km (0.119 R)
• M21: 15,845,107 km (0.069 R)
• M22: 17,004,640 km (0.029 R)
• M23: 20,148,739 km (0.063 R)
• M24: 26,247,395 km (0.103 R)
• M25: 31,976,395 km (0.052 R)
• M26: 34,057,002 km (0.111 R)
• M27: 35,009,941 km (0.103 R)
• M28: 37,596,039 km (0.107 R)
• M29: 39,780,467 km (0.114 R)
• M30: 40,042,862 km (0.055 R)
• M31: 41,238,149 km (0.117 R)
• M32: 42,457,072 km (0.058 R)
• M33: 46,839,243 km (0.118 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 320.3

Radius: 6.4

Gravity: 7.82 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 9 AU - 10.82 AU

Year: 21159 Days

Day: 22.3 Hours

Environment

Temp: -228 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 61,318,294 km

• M1: 79,586 km (0.102 R)
• M2: 614,997 km (0.051 R)
• M3: 1,452,895 km (0.041 R)
• M4: 1,834,219 km (0.071 R)
• M5: 2,067,443 km (0.072 R)
• M6: 3,825,068 km (0.119 R)
• M7: 4,331,158 km (0.072 R)
• M8: 5,331,818 km (0.09 R)
• M9: 5,622,786 km (0.069 R)
• M10: 5,924,524 km (0.112 R)
• M11: 6,560,166 km (0.112 R)
• M12: 7,780,436 km (0.113 R)
• M13: 8,690,290 km (0.107 R)
• M14: 10,047,442 km (0.03 R)
• M15: 10,834,027 km (0.071 R)
• M16: 11,183,488 km (0.119 R)
• M17: 11,721,592 km (0.099 R)
• M18: 12,592,850 km (0.1 R)
• M19: 12,849,560 km (0.043 R)
• M20: 14,533,732 km (0.112 R)
• M21: 15,833,887 km (0.065 R)
• M22: 18,007,544 km (0.097 R)
• M23: 18,497,926 km (0.103 R)
• M24: 19,591,038 km (0.115 R)
• M25: 20,815,497 km (0.082 R)
• M26: 23,127,831 km (0.098 R)
• M27: 32,025,314 km (0.055 R)
• M28: 35,221,771 km (0.106 R)
• M29: 39,166,817 km (0.096 R)
• M30: 45,621,367 km (0.076 R)
• M31: 46,685,157 km (0.098 R)
• M32: 47,455,137 km (0.047 R)
• M33: 49,178,654 km (0.102 R)
• M34: 53,585,209 km (0.076 R)
• M35: 54,939,818 km (0.087 R)
• M36: 56,143,482 km (0.111 R)
• M37: 58,782,090 km (0.042 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 457 - 15,382 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit