🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.73 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 839

Radius: 12.4

Gravity: 5.46 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 1.4 AU - 1.52 AU

Year: 1139 Days

Day: 5.6 Hours

Environment

Temp: -178 °C

Axial Tilt: 48.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 31,887,013 km

• M1: 154,235 km (0.026 R)
• M2: 613,650 km (0.093 R)
• M3: 1,004,550 km (0.09 R)
• M4: 1,704,668 km (0.079 R)
• M5: 2,155,257 km (0.098 R)
• M6: 3,086,653 km (0.076 R)
• M7: 3,558,933 km (0.095 R)
• M8: 4,028,521 km (0.056 R)
• M9: 5,376,547 km (0.076 R)
• M10: 6,291,189 km (0.118 R)
• M11: 6,834,379 km (0.092 R)
• M12: 8,289,218 km (0.048 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 426.1

Radius: 14.2

Gravity: 2.11 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 2.81 AU - 3.29 AU

Year: 3439 Days

Day: 14.6 Hours

Environment

Temp: -201 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 31,887,013 km

• M1: 176,525 km (0.079 R)
• M2: 623,075 km (0.091 R)
• M3: 1,321,548 km (0.086 R)
• M4: 2,364,694 km (0.088 R)
• M5: 2,848,792 km (0.101 R)
• M6: 3,381,660 km (0.119 R)
• M7: 5,518,815 km (0.113 R)
• M8: 6,326,793 km (0.087 R)
• M9: 9,336,702 km (0.115 R)
• M10: 9,955,290 km (0.092 R)
• M11: 13,196,477 km (0.091 R)
• M12: 14,259,220 km (0.041 R)
• M13: 16,190,529 km (0.116 R)
• M14: 18,290,883 km (0.042 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 885.2

Radius: 12.8

Gravity: 5.4 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 3.99 AU - 4.77 AU

Year: 5919 Days

Day: 12.5 Hours

Environment

Temp: -216 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 31,887,013 km

• M1: 159,322 km (0.075 R)
• M2: 587,770 km (0.107 R)
• M3: 1,071,570 km (0.089 R)
• M4: 1,524,552 km (0.113 R)
• M5: 2,217,938 km (0.111 R)
• M6: 2,854,776 km (0.115 R)
• M7: 3,963,745 km (0.116 R)
• M8: 5,708,056 km (0.049 R)
• M9: 6,322,754 km (0.103 R)
• M10: 6,874,471 km (0.046 R)
• M11: 9,586,531 km (0.111 R)
• M12: 10,599,159 km (0.114 R)
• M13: 11,180,795 km (0.043 R)
• M14: 11,630,935 km (0.102 R)
• M15: 13,441,967 km (0.11 R)
• M16: 16,436,916 km (0.028 R)
• M17: 17,683,366 km (0.106 R)
• M18: 19,562,016 km (0.101 R)
• M19: 20,512,411 km (0.069 R)
• M20: 22,903,135 km (0.057 R)
• M21: 30,596,205 km (0.103 R)
• M22: 32,378,365 km (0.104 R)
• M23: 33,089,852 km (0.098 R)
• M24: 33,915,632 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 560.1

Radius: 13.9

Gravity: 2.9 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 4.49 AU - 6.37 AU

Year: 8170 Days

Day: 5.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 31,887,013 km

• M1: 173,683 km (0.099 R)
• M2: 611,257 km (0.08 R)
• M3: 1,047,484 km (0.094 R)
• M4: 1,536,520 km (0.039 R)
• M5: 2,069,238 km (0.094 R)
• M6: 2,841,013 km (0.072 R)
• M7: 4,119,327 km (0.08 R)
• M8: 4,567,223 km (0.027 R)
• M9: 5,047,731 km (0.069 R)
• M10: 8,101,173 km (0.034 R)
• M11: 10,158,294 km (0.085 R)
• M12: 10,833,429 km (0.059 R)
• M13: 11,954,815 km (0.103 R)
• M14: 12,984,198 km (0.099 R)
• M15: 14,130,865 km (0.083 R)
• M16: 16,040,183 km (0.094 R)
• M17: 16,890,048 km (0.11 R)
• M18: 18,255,877 km (0.089 R)
• M19: 19,842,063 km (0.102 R)
• M20: 22,391,211 km (0.077 R)
• M21: 23,786,211 km (0.117 R)
• M22: 25,413,237 km (0.065 R)
• M23: 26,658,789 km (0.118 R)
• M24: 27,758,334 km (0.059 R)
• M25: 34,139,880 km (0.119 R)
• M26: 35,875,963 km (0.117 R)
• M27: 37,216,061 km (0.102 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 609.7

Radius: 7.3

Gravity: 11.44 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 5.55 AU - 8.43 AU

Year: 11932 Days

Day: 15.7 Hours

Environment

Temp: -214 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 31,887,013 km

• M1: 90,806 km (0.073 R)
• M2: 340,784 km (0.055 R)
• M3: 619,934 km (0.078 R)
• M4: 852,259 km (0.112 R)
• M5: 3,185,986 km (0.06 R)
• M6: 3,765,079 km (0.086 R)
• M7: 4,936,281 km (0.112 R)
• M8: 5,432,647 km (0.073 R)
• M9: 6,371,074 km (0.118 R)
• M10: 10,725,419 km (0.086 R)
• M11: 11,275,491 km (0.103 R)
• M12: 12,854,347 km (0.118 R)
• M13: 16,157,767 km (0.1 R)
• M14: 17,473,779 km (0.111 R)
• M15: 20,317,336 km (0.101 R)
• M16: 24,758,148 km (0.074 R)
• M17: 25,330,959 km (0.118 R)
• M18: 28,432,721 km (0.114 R)
• M19: 32,115,671 km (0.102 R)
• M20: 34,542,597 km (0.072 R)
• M21: 34,898,939 km (0.08 R)
• M22: 37,089,052 km (0.098 R)
• M23: 40,018,627 km (0.05 R)
• M24: 40,280,573 km (0.084 R)
• M25: 41,072,843 km (0.093 R)
• M26: 44,346,344 km (0.107 R)
• M27: 49,125,398 km (0.093 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 808.7

Radius: 7.6

Gravity: 14 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 6.42 AU - 7.92 AU

Year: 12396 Days

Day: 17.3 Hours

Environment

Temp: -214 °C

Axial Tilt: 176.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 31,887,013 km

• M1: 94,695 km (0.098 R)
• M2: 429,196 km (0.112 R)
• M3: 777,161 km (0.105 R)
• M4: 1,816,567 km (0.067 R)
• M5: 2,449,815 km (0.101 R)
• M6: 2,772,497 km (0.101 R)
• M7: 3,074,984 km (0.09 R)
• M8: 3,530,211 km (0.094 R)
• M9: 3,943,101 km (0.065 R)
• M10: 4,512,021 km (0.081 R)
• M11: 4,799,997 km (0.104 R)
• M12: 5,100,390 km (0.086 R)
• M13: 5,925,123 km (0.118 R)
• M14: 6,794,436 km (0.112 R)
• M15: 9,336,254 km (0.111 R)
• M16: 10,018,569 km (0.067 R)
• M17: 11,423,593 km (0.108 R)
• M18: 11,659,957 km (0.067 R)
• M19: 14,828,141 km (0.114 R)
• M20: 15,323,160 km (0.054 R)
• M21: 15,610,987 km (0.08 R)
• M22: 19,019,275 km (0.104 R)
• M23: 19,519,381 km (0.116 R)
• M24: 22,893,261 km (0.106 R)
• M25: 23,650,077 km (0.059 R)
• M26: 24,131,333 km (0.047 R)
• M27: 25,014,260 km (0.104 R)
• M28: 25,918,579 km (0.117 R)
• M29: 33,346,861 km (0.052 R)
• M30: 35,309,585 km (0.044 R)
• M31: 43,213,140 km (0.111 R)
• M32: 49,978,105 km (0.046 R)
• M33: 51,894,454 km (0.113 R)
• M34: 53,363,505 km (0.119 R)
• M35: 53,693,668 km (0.049 R)
• M36: 54,692,383 km (0.067 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 67.7

Radius: 4.5

Gravity: 3.34 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 6.96 AU - 10.92 AU

Year: 17259 Days

Day: 16.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 31,887,013 km

• M1: 468,989 km (0.063 R)
• M2: 1,363,136 km (0.071 R)
• M3: 2,956,503 km (0.12 R)
• M4: 4,957,673 km (0.089 R)
• M5: 5,706,112 km (0.029 R)
• M6: 7,605,556 km (0.084 R)
• M7: 8,557,746 km (0.107 R)
• M8: 12,286,772 km (0.112 R)
• M9: 16,231,519 km (0.117 R)
• M10: 24,600,771 km (0.07 R)
• M11: 24,842,372 km (0.083 R)
• M12: 29,468,237 km (0.111 R)
• M13: 31,506,508 km (0.096 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 228 - 11,388 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit