🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 91.1

Radius: 8.2

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 0.63 AU - 0.63 AU

Year: 351 Days

Day: 13.7 Hours

Environment

Temp: -152 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 49,473,248 km

• M1: 102,026 km (0.101 R)
• M2: 488,437 km (0.06 R)
• M3: 830,717 km (0.047 R)
• M4: 1,317,957 km (0.087 R)
• M5: 1,592,320 km (0.118 R)
• M6: 1,941,481 km (0.079 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 52.4

Radius: 9.9

Gravity: 0.53 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 0.77 AU - 0.83 AU

Year: 503 Days

Day: 6.4 Hours

Environment

Temp: -175 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 49,473,248 km

• M1: 125,363 km (0.104 R)
• M2: 535,710 km (0.114 R)
• M3: 923,468 km (0.063 R)
• M4: 1,536,370 km (0.073 R)
• M5: 1,990,848 km (0.089 R)
• M6: 2,503,969 km (0.049 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 289.1

Radius: 8.6

Gravity: 3.91 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.99 AU - 1.63 AU

Year: 1054 Days

Day: 14.3 Hours

Environment

Temp: -177 °C

Axial Tilt: 95.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 49,473,248 km

• M1: 106,962 km (0.074 R)
• M2: 391,348 km (0.111 R)
• M3: 736,321 km (0.06 R)
• M4: 1,015,620 km (0.11 R)
• M5: 1,402,480 km (0.044 R)
• M6: 1,683,425 km (0.046 R)
• M7: 1,993,392 km (0.102 R)
• M8: 2,530,448 km (0.09 R)
• M9: 2,845,202 km (0.099 R)
• M10: 5,724,662 km (0.092 R)
• M11: 7,286,463 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 199.2

Radius: 11.1

Gravity: 1.62 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 1.23 AU - 1.43 AU

Year: 1078 Days

Day: 5.9 Hours

Environment

Temp: -181 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 49,473,248 km

• M1: 139,276 km (0.079 R)
• M2: 952,938 km (0.105 R)
• M3: 1,572,423 km (0.094 R)
• M4: 1,970,354 km (0.106 R)
• M5: 4,028,371 km (0.071 R)
• M6: 4,913,692 km (0.115 R)
• M7: 6,617,462 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 463.4

Radius: 13.5

Gravity: 2.54 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 3.42 AU - 4.44 AU

Year: 5476 Days

Day: 11.5 Hours

Environment

Temp: -217 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 49,473,248 km

• M1: 168,148 km (0.068 R)
• M2: 750,084 km (0.119 R)
• M3: 1,563,148 km (0.029 R)
• M4: 2,041,562 km (0.094 R)
• M5: 2,601,956 km (0.065 R)
• M6: 3,667,541 km (0.102 R)
• M7: 4,650,399 km (0.068 R)
• M8: 5,435,190 km (0.098 R)
• M9: 6,491,650 km (0.049 R)
• M10: 7,892,335 km (0.107 R)
• M11: 8,893,893 km (0.104 R)
• M12: 11,149,230 km (0.103 R)
• M13: 13,403,221 km (0.097 R)
• M14: 15,605,003 km (0.078 R)
• M15: 17,120,429 km (0.11 R)
• M16: 18,288,489 km (0.075 R)
• M17: 19,772,650 km (0.083 R)
• M18: 21,545,684 km (0.081 R)
• M19: 22,688,163 km (0.11 R)
• M20: 25,879,085 km (0.072 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 386.5

Radius: 11.3

Gravity: 3.03 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 3.84 AU - 4.52 AU

Year: 6007 Days

Day: 12.4 Hours

Environment

Temp: -215 °C

Axial Tilt: 121 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 49,473,248 km

• M1: 143,315 km (0.06 R)
• M2: 500,106 km (0.059 R)
• M3: 928,853 km (0.083 R)
• M4: 1,353,861 km (0.082 R)
• M5: 1,729,351 km (0.101 R)
• M6: 2,117,109 km (0.113 R)
• M7: 2,579,965 km (0.118 R)
• M8: 3,166,688 km (0.073 R)
• M9: 3,585,113 km (0.058 R)
• M10: 3,950,730 km (0.098 R)
• M11: 4,534,311 km (0.108 R)
• M12: 5,757,872 km (0.083 R)
• M13: 6,540,718 km (0.12 R)
• M14: 6,957,947 km (0.113 R)
• M15: 7,989,274 km (0.118 R)
• M16: 8,693,431 km (0.105 R)
• M17: 9,398,187 km (0.08 R)
• M18: 11,281,624 km (0.107 R)
• M19: 12,604,069 km (0.118 R)
• M20: 13,455,730 km (0.079 R)
• M21: 14,560,510 km (0.11 R)
• M22: 16,830,359 km (0.105 R)
• M23: 19,787,909 km (0.091 R)
• M24: 21,145,509 km (0.097 R)
• M25: 24,273,302 km (0.047 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 403.4

Radius: 13.7

Gravity: 2.15 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 4.48 AU - 4.54 AU

Year: 6732 Days

Day: 13.9 Hours

Environment

Temp: -222 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 49,473,248 km

• M1: 171,290 km (0.104 R)
• M2: 661,522 km (0.118 R)
• M3: 1,138,889 km (0.073 R)
• M4: 1,590,375 km (0.107 R)
• M5: 2,179,192 km (0.116 R)
• M6: 2,767,112 km (0.108 R)
• M7: 4,099,730 km (0.103 R)
• M8: 4,561,089 km (0.118 R)
• M9: 5,248,940 km (0.091 R)
• M10: 5,676,790 km (0.109 R)
• M11: 6,314,975 km (0.12 R)
• M12: 8,716,470 km (0.05 R)
• M13: 9,820,951 km (0.075 R)
• M14: 10,473,796 km (0.117 R)
• M15: 11,389,185 km (0.118 R)
• M16: 12,810,365 km (0.091 R)
• M17: 13,857,251 km (0.099 R)
• M18: 15,245,369 km (0.088 R)
• M19: 15,943,692 km (0.059 R)
• M20: 17,593,158 km (0.108 R)
• M21: 20,311,651 km (0.052 R)
• M22: 23,759,583 km (0.108 R)
• M23: 24,226,178 km (0.034 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 459.3

Radius: 14.9

Gravity: 2.07 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 4.13 AU - 5.11 AU

Year: 6980 Days

Day: 5.2 Hours

Environment

Temp: -229 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 49,473,248 km

• M1: 185,651 km (0.074 R)
• M2: 838,646 km (0.105 R)
• M3: 1,972,448 km (0.09 R)
• M4: 5,128,065 km (0.086 R)
• M5: 6,393,663 km (0.101 R)
• M6: 7,858,526 km (0.079 R)
• M7: 8,551,014 km (0.106 R)
• M8: 10,598,710 km (0.1 R)
• M9: 11,158,056 km (0.108 R)
• M10: 11,885,102 km (0.113 R)
• M11: 12,746,935 km (0.106 R)
• M12: 15,584,657 km (0.081 R)
• M13: 17,502,352 km (0.105 R)
• M14: 19,434,559 km (0.109 R)
• M15: 28,330,845 km (0.082 R)
• M16: 32,816,238 km (0.059 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 108.9

Radius: 11.5

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 5.01 AU - 5.19 AU

Year: 8096 Days

Day: 12.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 49,473,248 km

• M1: 144,512 km (0.102 R)
• M2: 560,094 km (0.109 R)
• M3: 1,137,243 km (0.099 R)
• M4: 1,566,738 km (0.113 R)
• M5: 2,039,169 km (0.072 R)
• M6: 2,731,657 km (0.047 R)
• M7: 3,276,193 km (0.108 R)
• M8: 5,356,352 km (0.065 R)
• M9: 5,747,251 km (0.117 R)
• M10: 6,528,152 km (0.087 R)
• M11: 7,473,760 km (0.057 R)
• M12: 11,532,500 km (0.105 R)
• M13: 12,410,340 km (0.085 R)
• M14: 13,713,786 km (0.109 R)
• M15: 14,851,029 km (0.089 R)
• M16: 15,364,599 km (0.11 R)
• M17: 15,783,922 km (0.042 R)
• M18: 18,112,712 km (0.084 R)
• M19: 18,522,012 km (0.11 R)
• M20: 20,346,358 km (0.095 R)
• M21: 21,955,881 km (0.03 R)

Planet 10 - Ice Giant

Semi-Major Axis: 5.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 854.2

Radius: 4.8

Gravity: 37.07 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 5.26 AU - 6 AU

Year: 9390 Days

Day: 22.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 49,473,248 km

• M1: 60,737 km (0.067 R)
• M2: 254,616 km (0.108 R)
• M3: 449,093 km (0.097 R)
• M4: 734,226 km (0.06 R)
• M5: 1,560,455 km (0.069 R)
• M6: 2,289,147 km (0.1 R)
• M7: 2,644,741 km (0.097 R)
• M8: 3,245,975 km (0.113 R)
• M9: 3,694,619 km (0.116 R)
• M10: 4,099,131 km (0.085 R)
• M11: 4,995,970 km (0.038 R)
• M12: 5,456,433 km (0.088 R)
• M13: 5,802,303 km (0.116 R)
• M14: 6,499,429 km (0.086 R)
• M15: 6,848,591 km (0.094 R)
• M16: 7,883,808 km (0.067 R)
• M17: 8,877,736 km (0.105 R)
• M18: 9,210,741 km (0.055 R)
• M19: 13,629,862 km (0.1 R)
• M20: 14,201,475 km (0.053 R)
• M21: 14,788,797 km (0.065 R)
• M22: 15,054,931 km (0.099 R)
• M23: 16,221,944 km (0.092 R)
• M24: 16,505,133 km (0.075 R)
• M25: 17,596,300 km (0.076 R)
• M26: 18,045,991 km (0.106 R)
• M27: 18,890,172 km (0.041 R)
• M28: 21,325,775 km (0.04 R)
• M29: 21,751,082 km (0.117 R)
• M30: 22,971,950 km (0.113 R)
• M31: 23,239,431 km (0.073 R)
• M32: 27,504,616 km (0.107 R)
• M33: 28,313,791 km (0.097 R)
• M34: 33,162,856 km (0.093 R)
• M35: 41,364,260 km (0.053 R)
• M36: 44,464,227 km (0.091 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 197 - 18,522 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit