🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 707.9

Radius: 13.7

Gravity: 3.77 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 0.82 AU - 1.04 AU

Year: 598 Days

Day: 10.9 Hours

Environment

Temp: -167 °C

Axial Tilt: 48.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 54,758,663 km

• M1: 170,392 km (0.116 R)
• M2: 706,850 km (0.113 R)
• M3: 1,218,175 km (0.106 R)
• M4: 1,750,145 km (0.074 R)
• M5: 2,290,194 km (0.063 R)
• M6: 3,311,498 km (0.113 R)
• M7: 3,754,009 km (0.083 R)
• M8: 4,325,622 km (0.117 R)
• M9: 5,223,509 km (0.077 R)
• M10: 5,882,637 km (0.106 R)
• M11: 7,153,770 km (0.078 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 364

Radius: 8.5

Gravity: 5.04 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 1.07 AU - 1.49 AU

Year: 966 Days

Day: 9.2 Hours

Environment

Temp: -179 °C

Axial Tilt: 47.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 54,758,663 km

• M1: 105,915 km (0.097 R)
• M2: 395,537 km (0.058 R)
• M3: 661,671 km (0.066 R)
• M4: 1,114,055 km (0.102 R)
• M5: 1,397,095 km (0.112 R)
• M6: 1,787,844 km (0.111 R)
• M7: 2,122,644 km (0.07 R)
• M8: 2,553,636 km (0.037 R)
• M9: 2,848,792 km (0.111 R)
• M10: 3,256,596 km (0.062 R)
• M11: 4,067,716 km (0.057 R)
• M12: 4,360,778 km (0.112 R)
• M13: 4,684,657 km (0.113 R)
• M14: 5,380,886 km (0.073 R)
• M15: 6,469,210 km (0.104 R)
• M16: 7,043,517 km (0.061 R)
• M17: 7,651,333 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 341.5

Radius: 14.3

Gravity: 1.67 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 2.6 AU - 3.7 AU

Year: 3728 Days

Day: 12.6 Hours

Environment

Temp: -212 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 54,758,663 km

• M1: 185,501 km (0.113 R)
• M2: 720,613 km (0.105 R)
• M3: 1,223,262 km (0.117 R)
• M4: 1,955,693 km (0.092 R)
• M5: 3,353,535 km (0.087 R)
• M6: 4,043,780 km (0.118 R)
• M7: 4,941,068 km (0.104 R)
• M8: 9,294,665 km (0.109 R)
• M9: 11,700,199 km (0.059 R)
• M10: 13,609,816 km (0.069 R)
• M11: 14,783,262 km (0.079 R)
• M12: 15,519,134 km (0.092 R)
• M13: 16,279,240 km (0.112 R)
• M14: 16,747,182 km (0.087 R)
• M15: 18,540,412 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 542.3

Radius: 8.2

Gravity: 8.07 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 3.14 AU - 3.68 AU

Year: 4199 Days

Day: 14.1 Hours

Environment

Temp: -212 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 54,758,663 km

• M1: 103,821 km (0.112 R)
• M2: 594,801 km (0.089 R)
• M3: 876,045 km (0.101 R)
• M4: 1,209,798 km (0.11 R)
• M5: 1,628,074 km (0.094 R)
• M6: 2,002,966 km (0.087 R)
• M7: 2,607,940 km (0.118 R)
• M8: 2,927,032 km (0.106 R)
• M9: 3,253,454 km (0.085 R)
• M10: 3,603,962 km (0.041 R)
• M11: 3,979,603 km (0.064 R)
• M12: 4,474,173 km (0.031 R)
• M13: 5,059,550 km (0.094 R)
• M14: 6,965,576 km (0.088 R)
• M15: 10,259,123 km (0.096 R)
• M16: 11,539,830 km (0.056 R)
• M17: 16,018,192 km (0.11 R)
• M18: 16,408,642 km (0.072 R)
• M19: 18,094,162 km (0.093 R)
• M20: 18,578,859 km (0.06 R)
• M21: 18,947,917 km (0.043 R)
• M22: 21,333,255 km (0.074 R)
• M23: 21,942,417 km (0.074 R)
• M24: 22,772,536 km (0.114 R)
• M25: 24,202,542 km (0.093 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 46

Radius: 12.2

Gravity: 0.31 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 4.36 AU - 4.56 AU

Year: 6281 Days

Day: 6.4 Hours

Environment

Temp: -217 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 54,758,663 km

• M1: 156,330 km (0.095 R)
• M2: 897,288 km (0.111 R)
• M3: 1,440,029 km (0.034 R)
• M4: 2,016,131 km (0.07 R)
• M5: 2,811,393 km (0.117 R)
• M6: 4,034,206 km (0.073 R)
• M7: 5,362,784 km (0.1 R)
• M8: 6,092,224 km (0.074 R)
• M9: 6,555,827 km (0.077 R)
• M10: 7,975,212 km (0.11 R)
• M11: 8,561,037 km (0.052 R)
• M12: 9,365,425 km (0.102 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 937.6

Radius: 9.8

Gravity: 9.76 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 5.22 AU - 5.48 AU

Year: 8252 Days

Day: 14.8 Hours

Environment

Temp: -219 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 54,758,663 km

• M1: 121,922 km (0.036 R)
• M2: 542,143 km (0.082 R)
• M3: 2,468,215 km (0.093 R)
• M4: 2,807,653 km (0.092 R)
• M5: 4,209,385 km (0.064 R)
• M6: 4,637,833 km (0.093 R)
• M7: 5,351,415 km (0.043 R)
• M8: 6,208,012 km (0.098 R)
• M9: 7,113,828 km (0.069 R)
• M10: 8,634,490 km (0.102 R)
• M11: 11,966,633 km (0.077 R)
• M12: 12,946,948 km (0.072 R)
• M13: 13,670,403 km (0.034 R)
• M14: 17,844,632 km (0.065 R)
• M15: 22,972,399 km (0.117 R)
• M16: 24,756,802 km (0.118 R)
• M17: 25,870,857 km (0.114 R)
• M18: 28,098,818 km (0.062 R)
• M19: 30,557,011 km (0.092 R)
• M20: 32,273,197 km (0.061 R)
• M21: 32,712,118 km (0.064 R)
• M22: 44,075,572 km (0.107 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 196.7

Radius: 7.4

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 10.34 AU - 10.72 AU

Year: 22786 Days

Day: 17.6 Hours

Environment

Temp: -228 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 54,758,663 km

• M1: 461,061 km (0.073 R)
• M2: 936,034 km (0.079 R)
• M3: 2,021,067 km (0.077 R)
• M4: 2,537,778 km (0.046 R)
• M5: 4,259,051 km (0.076 R)
• M6: 5,950,704 km (0.099 R)
• M7: 11,376,619 km (0.071 R)
• M8: 11,782,328 km (0.118 R)
• M9: 14,089,277 km (0.093 R)
• M10: 18,285,797 km (0.07 R)
• M11: 22,244,306 km (0.076 R)
• M12: 23,339,512 km (0.087 R)
• M13: 35,350,575 km (0.117 R)
• M14: 36,338,968 km (0.063 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 396 - 16,605 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit