🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 810.5

Radius: 11.2

Gravity: 6.46 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 0.61 AU - 0.91 AU

Year: 442 Days

Day: 14.8 Hours

Environment

Temp: -155 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 51,093,050 km

• M1: 139,276 km (0.086 R)
• M2: 490,232 km (0.062 R)
• M3: 899,981 km (0.069 R)
• M4: 1,392,607 km (0.099 R)
• M5: 1,856,809 km (0.112 R)
• M6: 2,210,608 km (0.028 R)
• M7: 3,114,029 km (0.053 R)
• M8: 3,568,508 km (0.084 R)
• M9: 3,958,360 km (0.114 R)
• M10: 4,463,851 km (0.096 R)
• M11: 5,027,835 km (0.087 R)
• M12: 5,468,999 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 963.5

Radius: 10.9

Gravity: 8.11 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 1.59 AU - 1.97 AU

Year: 1584 Days

Day: 12.3 Hours

Environment

Temp: -203 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 51,093,050 km

• M1: 135,536 km (0.079 R)
• M2: 488,736 km (0.06 R)
• M3: 1,011,132 km (0.092 R)
• M4: 1,365,978 km (0.092 R)
• M5: 2,060,411 km (0.103 R)
• M6: 2,630,679 km (0.078 R)
• M7: 2,991,509 km (0.107 R)
• M8: 3,485,032 km (0.098 R)
• M9: 3,904,056 km (0.073 R)
• M10: 4,455,174 km (0.1 R)
• M11: 5,100,988 km (0.072 R)
• M12: 6,605,793 km (0.059 R)
• M13: 8,603,374 km (0.107 R)
• M14: 9,111,258 km (0.093 R)
• M15: 9,842,343 km (0.087 R)
• M16: 12,271,214 km (0.106 R)
• M17: 12,671,239 km (0.097 R)
• M18: 14,271,487 km (0.083 R)
• M19: 15,441,492 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 701.6

Radius: 13.5

Gravity: 3.85 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 1.54 AU - 2.08 AU

Year: 1624 Days

Day: 12.3 Hours

Environment

Temp: -189 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 51,093,050 km

• M1: 167,849 km (0.064 R)
• M2: 651,349 km (0.084 R)
• M3: 1,098,198 km (0.117 R)
• M4: 1,569,431 km (0.066 R)
• M5: 1,998,328 km (0.099 R)
• M6: 3,057,481 km (0.093 R)
• M7: 4,017,451 km (0.036 R)
• M8: 4,597,741 km (0.051 R)
• M9: 5,043,094 km (0.044 R)
• M10: 6,164,180 km (0.111 R)
• M11: 6,835,426 km (0.092 R)
• M12: 7,417,960 km (0.044 R)
• M13: 8,353,844 km (0.107 R)
• M14: 11,308,103 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 329.8

Radius: 12.5

Gravity: 2.11 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 2.22 AU - 2.82 AU

Year: 2668 Days

Day: 8.4 Hours

Environment

Temp: -205 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 51,093,050 km

• M1: 156,928 km (0.09 R)
• M2: 740,061 km (0.092 R)
• M3: 2,609,436 km (0.081 R)
• M4: 3,070,347 km (0.052 R)
• M5: 3,811,006 km (0.026 R)
• M6: 5,023,197 km (0.085 R)
• M7: 5,836,711 km (0.116 R)
• M8: 6,657,704 km (0.066 R)
• M9: 7,812,450 km (0.105 R)
• M10: 8,873,099 km (0.112 R)
• M11: 12,079,130 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 131.4

Radius: 11.6

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 2.99 AU - 4.17 AU

Year: 4517 Days

Day: 5.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 51,093,050 km

• M1: 144,212 km (0.03 R)
• M2: 521,648 km (0.074 R)
• M3: 1,184,366 km (0.037 R)
• M4: 1,973,046 km (0.1 R)
• M5: 2,532,094 km (0.079 R)
• M6: 2,931,669 km (0.067 R)
• M7: 4,718,616 km (0.049 R)
• M8: 5,917,344 km (0.089 R)
• M9: 7,169,179 km (0.106 R)
• M10: 7,740,044 km (0.093 R)
• M11: 8,218,458 km (0.119 R)
• M12: 8,876,240 km (0.072 R)
• M13: 10,765,960 km (0.069 R)
• M14: 12,869,157 km (0.041 R)
• M15: 13,627,319 km (0.11 R)
• M16: 14,326,090 km (0.115 R)
• M17: 15,512,402 km (0.059 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 215.2

Radius: 14.6

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 4.52 AU - 5.96 AU

Year: 7999 Days

Day: 11.2 Hours

Environment

Temp: -232 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 51,093,050 km

• M1: 182,210 km (0.101 R)
• M2: 718,519 km (0.058 R)
• M3: 1,184,067 km (0.08 R)
• M4: 2,048,444 km (0.119 R)
• M5: 2,574,131 km (0.097 R)
• M6: 3,152,476 km (0.096 R)
• M7: 4,014,160 km (0.047 R)
• M8: 6,544,757 km (0.1 R)
• M9: 8,422,510 km (0.115 R)
• M10: 11,303,615 km (0.109 R)
• M11: 12,379,224 km (0.114 R)
• M12: 13,522,002 km (0.054 R)
• M13: 19,387,435 km (0.097 R)
• M14: 20,382,859 km (0.092 R)
• M15: 23,425,979 km (0.047 R)
• M16: 26,518,018 km (0.116 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 477.6

Radius: 5.7

Gravity: 14.7 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 7.03 AU - 7.59 AU

Year: 13180 Days

Day: 23.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 51,093,050 km

• M1: 70,909 km (0.12 R)
• M2: 349,012 km (0.115 R)
• M3: 967,599 km (0.101 R)
• M4: 1,635,404 km (0.107 R)
• M5: 2,718,642 km (0.049 R)
• M6: 3,097,424 km (0.112 R)
• M7: 3,743,986 km (0.081 R)
• M8: 4,299,742 km (0.036 R)
• M9: 4,908,755 km (0.099 R)
• M10: 5,134,947 km (0.104 R)
• M11: 5,470,196 km (0.083 R)
• M12: 5,891,763 km (0.114 R)
• M13: 6,184,526 km (0.038 R)
• M14: 7,927,790 km (0.043 R)
• M15: 9,619,592 km (0.063 R)
• M16: 11,939,107 km (0.062 R)
• M17: 14,540,464 km (0.111 R)
• M18: 15,007,808 km (0.109 R)
• M19: 15,347,844 km (0.117 R)
• M20: 19,035,581 km (0.096 R)
• M21: 21,168,248 km (0.091 R)
• M22: 22,029,184 km (0.07 R)
• M23: 22,468,403 km (0.112 R)
• M24: 25,901,375 km (0.107 R)
• M25: 26,096,451 km (0.062 R)
• M26: 37,514,508 km (0.096 R)
• M27: 39,028,888 km (0.115 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 411 - 16,982 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit