🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 284.1

Radius: 10.4

Gravity: 2.63 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 0.58 AU - 0.74 AU

Year: 358 Days

Day: 7.2 Hours

Environment

Temp: -146 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 18,924,529 km

• M1: 129,402 km (0.098 R)
• M2: 562,488 km (0.028 R)
• M3: 907,461 km (0.051 R)
• M4: 1,303,297 km (0.095 R)
• M5: 1,692,550 km (0.105 R)
• M6: 2,212,253 km (0.085 R)
• M7: 2,650,425 km (0.119 R)
• M8: 3,334,537 km (0.076 R)
• M9: 3,680,706 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 443.4

Radius: 13.5

Gravity: 2.43 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 0.87 AU - 1.07 AU

Year: 637 Days

Day: 5.7 Hours

Environment

Temp: -184 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 18,924,529 km

• M1: 168,298 km (0.065 R)
• M2: 635,342 km (0.072 R)
• M3: 1,205,609 km (0.072 R)
• M4: 1,667,268 km (0.066 R)
• M5: 2,303,957 km (0.034 R)
• M6: 3,156,814 km (0.117 R)
• M7: 3,593,640 km (0.119 R)
• M8: 4,071,007 km (0.088 R)
• M9: 4,501,101 km (0.082 R)
• M10: 4,993,427 km (0.11 R)
• M11: 5,556,065 km (0.101 R)
• M12: 6,069,186 km (0.105 R)
• M13: 6,536,829 km (0.083 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 455.9

Radius: 12.1

Gravity: 3.11 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 1.51 AU - 2.25 AU

Year: 1719 Days

Day: 13.1 Hours

Environment

Temp: -206 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 18,924,529 km

• M1: 150,495 km (0.1 R)
• M2: 605,871 km (0.081 R)
• M3: 1,018,911 km (0.113 R)
• M4: 1,655,001 km (0.079 R)
• M5: 2,671,369 km (0.088 R)
• M6: 3,581,822 km (0.054 R)
• M7: 5,166,063 km (0.106 R)
• M8: 5,943,075 km (0.046 R)
• M9: 6,383,790 km (0.058 R)
• M10: 6,871,180 km (0.114 R)
• M11: 7,383,253 km (0.092 R)
• M12: 12,259,994 km (0.094 R)
• M13: 12,823,380 km (0.03 R)

Planet 4 - Ice Giant

Semi-Major Axis: 5.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 308.4

Radius: 4

Gravity: 19.28 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 5.3 AU - 6.38 AU

Year: 9411 Days

Day: 22.8 Hours

Environment

Temp: -223 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 18,924,529 km

• M1: 49,816 km (0.086 R)
• M2: 205,099 km (0.113 R)
• M3: 399,875 km (0.073 R)
• M4: 613,501 km (0.07 R)
• M5: 1,020,108 km (0.11 R)
• M6: 1,172,099 km (0.106 R)
• M7: 1,374,206 km (0.093 R)
• M8: 1,534,575 km (0.118 R)
• M9: 1,693,448 km (0.116 R)
• M10: 1,998,328 km (0.072 R)
• M11: 3,133,477 km (0.089 R)
• M12: 3,303,121 km (0.106 R)
• M13: 3,946,093 km (0.079 R)
• M14: 4,169,293 km (0.082 R)
• M15: 4,641,274 km (0.114 R)
• M16: 4,806,131 km (0.083 R)
• M17: 5,414,545 km (0.067 R)
• M18: 5,690,404 km (0.08 R)
• M19: 6,203,824 km (0.106 R)
• M20: 6,959,443 km (0.109 R)
• M21: 7,621,712 km (0.107 R)
• M22: 7,890,240 km (0.057 R)
• M23: 9,285,390 km (0.108 R)
• M24: 19,832,639 km (0.082 R)
• M25: 20,782,585 km (0.044 R)
• M26: 21,080,883 km (0.043 R)
• M27: 21,609,861 km (0.086 R)
• M28: 22,458,829 km (0.114 R)
• M29: 27,933,662 km (0.09 R)
• M30: 30,735,631 km (0.109 R)
• M31: 33,924,758 km (0.081 R)
• M32: 35,070,079 km (0.092 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 238.3

Radius: 3.7

Gravity: 17.41 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 5.52 AU - 7.1 AU

Year: 10570 Days

Day: 16.3 Hours

Environment

Temp: -230 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 18,924,529 km

• M1: 49,666 km (0.055 R)
• M2: 403,017 km (0.102 R)
• M3: 1,371,214 km (0.114 R)
• M4: 2,506,961 km (0.079 R)
• M5: 4,308,867 km (0.087 R)
• M6: 5,639,092 km (0.111 R)
• M7: 6,722,180 km (0.065 R)
• M8: 8,251,669 km (0.099 R)
• M9: 10,742,324 km (0.032 R)
• M10: 16,688,091 km (0.045 R)
• M11: 17,270,177 km (0.083 R)
• M12: 18,818,664 km (0.088 R)
• M13: 20,165,943 km (0.079 R)
• M14: 26,284,944 km (0.118 R)
• M15: 29,434,129 km (0.093 R)
• M16: 29,998,113 km (0.117 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 342.6

Radius: 5.5

Gravity: 11.33 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 5.82 AU - 9.56 AU

Year: 14221 Days

Day: 22.4 Hours

Environment

Temp: -234 °C

Axial Tilt: 42.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 18,924,529 km

• M1: 68,366 km (0.107 R)
• M2: 308,620 km (0.07 R)
• M3: 526,136 km (0.099 R)
• M4: 942,467 km (0.089 R)
• M5: 1,192,445 km (0.088 R)
• M6: 1,378,694 km (0.096 R)
• M7: 1,642,734 km (0.115 R)
• M8: 1,956,740 km (0.116 R)
• M9: 3,404,100 km (0.078 R)
• M10: 3,835,390 km (0.083 R)
• M11: 4,050,512 km (0.11 R)
• M12: 4,684,358 km (0.047 R)
• M13: 5,895,802 km (0.111 R)
• M14: 7,140,755 km (0.077 R)
• M15: 9,986,406 km (0.097 R)
• M16: 11,408,782 km (0.038 R)
• M17: 13,020,999 km (0.114 R)
• M18: 13,385,269 km (0.089 R)
• M19: 14,261,763 km (0.073 R)
• M20: 18,302,103 km (0.09 R)
• M21: 20,095,632 km (0.065 R)
• M22: 21,076,395 km (0.092 R)
• M23: 21,663,118 km (0.082 R)
• M24: 22,519,865 km (0.102 R)
• M25: 23,310,191 km (0.102 R)
• M26: 27,739,784 km (0.101 R)
• M27: 28,342,813 km (0.079 R)
• M28: 31,380,846 km (0.086 R)
• M29: 33,598,186 km (0.113 R)
• M30: 35,445,570 km (0.062 R)
• M31: 35,917,850 km (0.091 R)
• M32: 36,513,998 km (0.114 R)
• M33: 39,720,778 km (0.079 R)
• M34: 40,230,159 km (0.1 R)
• M35: 41,915,977 km (0.109 R)
• M36: 46,405,708 km (0.032 R)
• M37: 48,114,714 km (0.063 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 19.9

Radius: 7

Gravity: 0.41 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 7.32 AU - 8.3 AU

Year: 14555 Days

Day: 22.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 18,924,529 km

• M1: 87,066 km (0.109 R)
• M2: 2,939,449 km (0.11 R)
• M3: 13,546,686 km (0.11 R)
• M4: 15,883,404 km (0.093 R)
• M5: 16,494,212 km (0.09 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 505 - 19,340 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit