🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 950.8

Radius: 10.6

Gravity: 8.46 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 0.51 AU - 0.63 AU

Year: 297 Days

Day: 9 Hours

Environment

Temp: -138 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 27,018,742 km

• M1: 131,945 km (0.026 R)
• M2: 548,875 km (0.111 R)
• M3: 1,152,801 km (0.102 R)
• M4: 1,491,341 km (0.091 R)
• M5: 1,912,609 km (0.039 R)
• M6: 2,430,816 km (0.12 R)
• M7: 3,030,254 km (0.119 R)
• M8: 3,490,567 km (0.029 R)
• M9: 3,984,689 km (0.095 R)
• M10: 4,348,511 km (0.082 R)
• M11: 5,009,434 km (0.066 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 441.9

Radius: 9

Gravity: 5.46 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 0.8 AU - 1.04 AU

Year: 609 Days

Day: 8.2 Hours

Environment

Temp: -169 °C

Axial Tilt: 78.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 27,018,742 km

• M1: 111,899 km (0.069 R)
• M2: 444,156 km (0.085 R)
• M3: 967,449 km (0.118 R)
• M4: 1,445,714 km (0.095 R)
• M5: 1,931,309 km (0.094 R)
• M6: 2,424,383 km (0.084 R)
• M7: 3,010,508 km (0.096 R)
• M8: 3,422,799 km (0.04 R)
• M9: 4,118,878 km (0.116 R)
• M10: 4,704,404 km (0.104 R)
• M11: 5,211,990 km (0.09 R)
• M12: 6,023,109 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 482.8

Radius: 10.3

Gravity: 4.55 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 0.81 AU - 1.05 AU

Year: 619 Days

Day: 13.9 Hours

Environment

Temp: -174 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 27,018,742 km

• M1: 128,205 km (0.098 R)
• M2: 495,917 km (0.092 R)
• M3: 927,058 km (0.098 R)
• M4: 1,284,148 km (0.11 R)
• M5: 1,951,205 km (0.081 R)
• M6: 2,934,661 km (0.097 R)
• M7: 3,646,448 km (0.045 R)
• M8: 4,351,054 km (0.099 R)
• M9: 4,728,190 km (0.062 R)
• M10: 5,143,773 km (0.103 R)
• M11: 5,566,238 km (0.038 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 596.1

Radius: 10.3

Gravity: 5.62 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 1.61 AU - 1.85 AU

Year: 1571 Days

Day: 8.8 Hours

Environment

Temp: -205 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 27,018,742 km

• M1: 128,205 km (0.085 R)
• M2: 513,569 km (0.106 R)
• M3: 904,768 km (0.107 R)
• M4: 1,699,432 km (0.036 R)
• M5: 2,081,206 km (0.1 R)
• M6: 3,064,363 km (0.075 R)
• M7: 3,734,711 km (0.112 R)
• M8: 4,221,951 km (0.114 R)
• M9: 4,770,975 km (0.117 R)
• M10: 5,302,945 km (0.102 R)
• M11: 6,293,433 km (0.081 R)
• M12: 6,883,297 km (0.069 R)
• M13: 7,754,256 km (0.111 R)
• M14: 8,726,642 km (0.071 R)
• M15: 9,058,151 km (0.047 R)
• M16: 10,037,718 km (0.114 R)
• M17: 10,774,787 km (0.036 R)
• M18: 11,547,609 km (0.11 R)
• M19: 12,584,023 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 329.3

Radius: 11.2

Gravity: 2.63 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 2.01 AU - 2.45 AU

Year: 2299 Days

Day: 9.7 Hours

Environment

Temp: -201 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 27,018,742 km

• M1: 139,276 km (0.05 R)
• M2: 493,823 km (0.091 R)
• M3: 1,086,829 km (0.041 R)
• M4: 1,488,349 km (0.058 R)
• M5: 2,335,971 km (0.071 R)
• M6: 3,545,170 km (0.095 R)
• M7: 5,006,891 km (0.099 R)
• M8: 5,368,170 km (0.069 R)
• M9: 5,746,802 km (0.118 R)
• M10: 7,416,913 km (0.074 R)
• M11: 9,325,931 km (0.059 R)
• M12: 10,107,281 km (0.057 R)
• M13: 10,652,116 km (0.111 R)
• M14: 11,800,729 km (0.026 R)
• M15: 12,911,194 km (0.112 R)
• M16: 13,593,809 km (0.033 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 581

Radius: 10

Gravity: 5.81 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 2.58 AU - 3.28 AU

Year: 3462 Days

Day: 14.8 Hours

Environment

Temp: -220 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 27,018,742 km

• M1: 124,465 km (0.091 R)
• M2: 447,597 km (0.09 R)
• M3: 813,064 km (0.108 R)
• M4: 1,251,237 km (0.097 R)
• M5: 2,192,357 km (0.097 R)
• M6: 2,630,978 km (0.061 R)
• M7: 3,006,468 km (0.058 R)
• M8: 3,343,363 km (0.098 R)
• M9: 4,136,680 km (0.117 R)
• M10: 4,810,320 km (0.057 R)
• M11: 5,555,467 km (0.089 R)
• M12: 6,755,391 km (0.072 R)
• M13: 7,820,229 km (0.083 R)
• M14: 8,221,749 km (0.117 R)
• M15: 9,175,585 km (0.116 R)
• M16: 9,889,766 km (0.104 R)
• M17: 12,661,216 km (0.114 R)
• M18: 14,224,663 km (0.03 R)
• M19: 14,622,294 km (0.098 R)
• M20: 15,491,907 km (0.094 R)
• M21: 16,943,455 km (0.094 R)
• M22: 17,960,272 km (0.079 R)
• M23: 18,660,390 km (0.119 R)
• M24: 21,578,894 km (0.052 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 51.4

Radius: 5.8

Gravity: 1.53 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 7.36 AU - 8.9 AU

Year: 16001 Days

Day: 17.6 Hours

Environment

Temp: -231 °C

Axial Tilt: 54.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 27,018,742 km

• M1: 72,854 km (0.101 R)
• M2: 264,339 km (0.104 R)
• M3: 870,360 km (0.051 R)
• M4: 1,772,286 km (0.084 R)
• M5: 5,680,231 km (0.104 R)
• M6: 11,205,329 km (0.119 R)
• M7: 12,422,308 km (0.063 R)
• M8: 15,675,014 km (0.079 R)
• M9: 16,953,627 km (0.07 R)
• M10: 17,496,219 km (0.056 R)
• M11: 18,050,329 km (0.102 R)
• M12: 23,352,228 km (0.116 R)
• M13: 25,640,477 km (0.115 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 31.2

Radius: 4.8

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 8.54 AU - 10.22 AU

Year: 19830 Days

Day: 21.4 Hours

Environment

Temp: -240 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 27,018,742 km

• M1: 61,934 km (0.089 R)
• M2: 327,619 km (0.062 R)
• M3: 787,633 km (0.053 R)
• M4: 1,317,508 km (0.08 R)
• M5: 2,014,485 km (0.081 R)
• M6: 2,356,166 km (0.047 R)
• M7: 3,212,016 km (0.119 R)
• M8: 4,164,805 km (0.102 R)
• M9: 5,824,743 km (0.111 R)
• M10: 6,453,802 km (0.097 R)
• M11: 9,913,851 km (0.086 R)
• M12: 10,504,164 km (0.1 R)
• M13: 18,058,258 km (0.034 R)
• M14: 22,882,939 km (0.118 R)
• M15: 25,823,734 km (0.072 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 147 - 15,038 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit