🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.96 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 551.4

Radius: 9.9

Gravity: 5.63 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 1.88 AU - 1.96 AU

Year: 1718 Days

Day: 12.1 Hours

Environment

Temp: -190 °C

Axial Tilt: 43.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 74,633,927 km

• M1: 123,119 km (0.091 R)
• M2: 583,282 km (0.037 R)
• M3: 1,375,852 km (0.052 R)
• M4: 2,076,568 km (0.112 R)
• M5: 2,970,715 km (0.12 R)
• M6: 3,299,531 km (0.094 R)
• M7: 4,031,214 km (0.114 R)
• M8: 4,648,155 km (0.116 R)
• M9: 5,072,714 km (0.101 R)
• M10: 5,815,168 km (0.052 R)
• M11: 6,212,650 km (0.08 R)
• M12: 6,578,417 km (0.047 R)
• M13: 8,568,667 km (0.092 R)
• M14: 8,930,544 km (0.09 R)
• M15: 9,271,178 km (0.062 R)
• M16: 10,044,749 km (0.116 R)
• M17: 11,647,092 km (0.06 R)
• M18: 13,014,865 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 776.8

Radius: 11.4

Gravity: 5.98 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 2.35 AU - 2.47 AU

Year: 2416 Days

Day: 9.1 Hours

Environment

Temp: -190 °C

Axial Tilt: 164.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 74,633,927 km

• M1: 141,819 km (0.095 R)
• M2: 666,608 km (0.102 R)
• M3: 1,336,956 km (0.089 R)
• M4: 1,770,042 km (0.112 R)
• M5: 2,152,713 km (0.107 R)
• M6: 2,547,502 km (0.04 R)
• M7: 2,926,733 km (0.086 R)
• M8: 3,361,315 km (0.081 R)
• M9: 3,877,577 km (0.06 R)
• M10: 4,488,834 km (0.092 R)
• M11: 5,210,793 km (0.108 R)
• M12: 8,457,665 km (0.117 R)
• M13: 9,100,637 km (0.045 R)
• M14: 9,559,005 km (0.046 R)
• M15: 10,181,781 km (0.041 R)
• M16: 10,637,456 km (0.101 R)
• M17: 12,684,852 km (0.104 R)
• M18: 13,347,122 km (0.072 R)
• M19: 14,172,304 km (0.111 R)
• M20: 17,010,475 km (0.112 R)
• M21: 17,544,838 km (0.084 R)
• M22: 18,759,872 km (0.046 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 242.7

Radius: 14.1

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 3.13 AU - 3.75 AU

Year: 4120 Days

Day: 10.1 Hours

Environment

Temp: -207 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 74,633,927 km

• M1: 175,927 km (0.087 R)
• M2: 856,149 km (0.086 R)
• M3: 1,814,622 km (0.083 R)
• M4: 2,350,631 km (0.087 R)
• M5: 2,821,416 km (0.071 R)
• M6: 3,287,413 km (0.08 R)
• M7: 4,566,176 km (0.091 R)
• M8: 6,260,072 km (0.077 R)
• M9: 7,118,914 km (0.104 R)
• M10: 7,867,651 km (0.094 R)
• M11: 8,438,816 km (0.064 R)
• M12: 9,037,507 km (0.098 R)
• M13: 10,209,007 km (0.092 R)
• M14: 12,983,001 km (0.103 R)
• M15: 14,473,295 km (0.082 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 760

Radius: 14.1

Gravity: 3.82 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 2.97 AU - 4.45 AU

Year: 4614 Days

Day: 10.1 Hours

Environment

Temp: -203 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 74,633,927 km

• M1: 178,620 km (0.109 R)
• M2: 619,186 km (0.045 R)
• M3: 1,395,449 km (0.094 R)
• M4: 1,882,540 km (0.11 R)
• M5: 2,404,636 km (0.046 R)
• M6: 3,136,768 km (0.12 R)
• M7: 3,835,091 km (0.092 R)
• M8: 4,761,999 km (0.071 R)
• M9: 5,265,247 km (0.113 R)
• M10: 6,163,283 km (0.104 R)
• M11: 7,060,122 km (0.111 R)
• M12: 8,876,390 km (0.097 R)
• M13: 10,321,505 km (0.054 R)
• M14: 11,492,856 km (0.05 R)
• M15: 11,966,334 km (0.071 R)
• M16: 14,206,711 km (0.108 R)
• M17: 15,030,846 km (0.099 R)
• M18: 15,483,230 km (0.081 R)
• M19: 17,384,769 km (0.103 R)
• M20: 18,975,293 km (0.112 R)
• M21: 21,575,902 km (0.086 R)
• M22: 22,152,453 km (0.093 R)
• M23: 24,717,757 km (0.053 R)
• M24: 25,990,984 km (0.048 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 50.1

Radius: 14.2

Gravity: 0.25 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 4.14 AU - 4.82 AU

Year: 6123 Days

Day: 14.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 74,633,927 km

• M1: 177,423 km (0.11 R)
• M2: 680,371 km (0.106 R)
• M3: 1,196,933 km (0.106 R)
• M4: 1,939,836 km (0.085 R)
• M5: 2,551,840 km (0.114 R)
• M6: 3,275,894 km (0.073 R)
• M7: 3,763,434 km (0.043 R)
• M8: 4,243,942 km (0.095 R)
• M9: 5,961,924 km (0.066 R)
• M10: 7,377,269 km (0.096 R)
• M11: 11,221,486 km (0.1 R)
• M12: 13,006,188 km (0.098 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 679.6

Radius: 6.9

Gravity: 14.27 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 7.55 AU - 11.85 AU

Year: 19506 Days

Day: 17.3 Hours

Environment

Temp: -235 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 74,633,927 km

• M1: 89,310 km (0.082 R)
• M2: 673,340 km (0.07 R)
• M3: 1,411,306 km (0.036 R)
• M4: 2,716,398 km (0.093 R)
• M5: 4,507,982 km (0.097 R)
• M6: 5,375,650 km (0.083 R)
• M7: 5,930,658 km (0.071 R)
• M8: 6,566,898 km (0.09 R)
• M9: 8,433,730 km (0.118 R)
• M10: 9,858,799 km (0.079 R)
• M11: 10,507,455 km (0.059 R)
• M12: 10,873,222 km (0.085 R)
• M13: 14,857,911 km (0.038 R)
• M14: 15,318,672 km (0.059 R)
• M15: 16,188,135 km (0.09 R)
• M16: 16,594,144 km (0.09 R)
• M17: 17,681,272 km (0.062 R)
• M18: 26,654,750 km (0.11 R)
• M19: 28,494,505 km (0.108 R)
• M20: 30,663,375 km (0.099 R)
• M21: 31,035,275 km (0.091 R)
• M22: 34,119,534 km (0.084 R)
• M23: 38,254,420 km (0.03 R)
• M24: 39,410,961 km (0.041 R)
• M25: 44,904,942 km (0.11 R)
• M26: 45,706,338 km (0.103 R)
• M27: 48,334,474 km (0.115 R)
• M28: 60,049,184 km (0.113 R)
• M29: 61,806,809 km (0.085 R)
• M30: 62,202,047 km (0.116 R)
• M31: 67,494,520 km (0.084 R)
• M32: 71,982,307 km (0.055 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: 493 - 11,369 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit