🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 719.3

Radius: 10.2

Gravity: 6.91 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.42 AU - 0.62 AU

Year: 259 Days

Day: 14.8 Hours

Environment

Temp: -141 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 78,351,896 km

• M1: 127,308 km (0.08 R)
• M2: 488,886 km (0.046 R)
• M3: 822,489 km (0.082 R)
• M4: 1,211,144 km (0.103 R)
• M5: 1,837,062 km (0.058 R)
• M6: 2,276,431 km (0.093 R)
• M7: 2,622,451 km (0.116 R)
• M8: 3,042,671 km (0.075 R)
• M9: 3,718,105 km (0.117 R)
• M10: 4,103,769 km (0.079 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 674.7

Radius: 11.5

Gravity: 5.1 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.78 AU - 1.02 AU

Year: 589 Days

Day: 7 Hours

Environment

Temp: -162 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 78,351,896 km

• M1: 143,315 km (0.105 R)
• M2: 534,513 km (0.098 R)
• M3: 960,718 km (0.11 R)
• M4: 1,333,815 km (0.083 R)
• M5: 1,703,022 km (0.106 R)
• M6: 2,349,435 km (0.117 R)
• M7: 3,011,854 km (0.055 R)
• M8: 3,607,104 km (0.082 R)
• M9: 4,536,855 km (0.111 R)
• M10: 5,269,735 km (0.028 R)
• M11: 5,800,807 km (0.069 R)
• M12: 7,116,820 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 930.8

Radius: 8.3

Gravity: 13.51 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 1.59 AU - 2.19 AU

Year: 1794 Days

Day: 5.6 Hours

Environment

Temp: -204 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 78,351,896 km

• M1: 103,971 km (0.086 R)
• M2: 388,057 km (0.049 R)
• M3: 647,908 km (0.071 R)
• M4: 953,238 km (0.088 R)
• M5: 1,243,009 km (0.119 R)
• M6: 1,581,997 km (0.073 R)
• M7: 2,226,166 km (0.055 R)
• M8: 2,673,015 km (0.102 R)
• M9: 3,727,979 km (0.118 R)
• M10: 4,379,777 km (0.07 R)
• M11: 5,195,833 km (0.069 R)
• M12: 6,445,424 km (0.056 R)
• M13: 7,154,668 km (0.102 R)
• M14: 7,528,214 km (0.086 R)
• M15: 8,440,162 km (0.064 R)
• M16: 9,526,243 km (0.083 R)
• M17: 10,049,686 km (0.103 R)
• M18: 10,889,229 km (0.082 R)
• M19: 11,461,441 km (0.112 R)
• M20: 12,832,805 km (0.098 R)
• M21: 14,903,987 km (0.115 R)
• M22: 16,140,713 km (0.113 R)
• M23: 16,784,133 km (0.078 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 155.2

Radius: 12.4

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 2.41 AU - 3.89 AU

Year: 3859 Days

Day: 14.9 Hours

Environment

Temp: -216 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 78,351,896 km

• M1: 154,385 km (0.117 R)
• M2: 800,498 km (0.068 R)
• M3: 1,290,282 km (0.111 R)
• M4: 2,385,936 km (0.099 R)
• M5: 3,319,726 km (0.11 R)
• M6: 4,006,829 km (0.088 R)
• M7: 4,828,570 km (0.102 R)
• M8: 9,308,129 km (0.085 R)
• M9: 11,596,079 km (0.109 R)
• M10: 13,891,658 km (0.076 R)
• M11: 15,442,839 km (0.084 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 93.7

Radius: 11

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 4.17 AU - 6.23 AU

Year: 8185 Days

Day: 12.9 Hours

Environment

Temp: -233 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 78,351,896 km

• M1: 136,882 km (0.069 R)
• M2: 501,302 km (0.108 R)
• M3: 2,226,914 km (0.098 R)
• M4: 3,226,377 km (0.068 R)
• M5: 3,593,790 km (0.094 R)
• M6: 5,058,951 km (0.081 R)
• M7: 9,195,931 km (0.087 R)
• M8: 10,524,360 km (0.066 R)
• M9: 11,506,470 km (0.094 R)
• M10: 12,106,956 km (0.107 R)
• M11: 13,700,023 km (0.108 R)
• M12: 16,694,973 km (0.073 R)
• M13: 18,373,760 km (0.099 R)
• M14: 19,917,461 km (0.055 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 213.2

Radius: 7.8

Gravity: 3.5 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 7.58 AU - 9.38 AU

Year: 17045 Days

Day: 16.1 Hours

Environment

Temp: -229 °C

Axial Tilt: 143.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 78,351,896 km

• M1: 97,239 km (0.104 R)
• M2: 380,427 km (0.086 R)
• M3: 794,065 km (0.04 R)
• M4: 1,684,921 km (0.103 R)
• M5: 2,080,158 km (0.084 R)
• M6: 2,716,099 km (0.105 R)
• M7: 4,658,328 km (0.098 R)
• M8: 5,505,650 km (0.118 R)
• M9: 6,054,076 km (0.095 R)
• M10: 6,341,753 km (0.101 R)
• M11: 7,219,892 km (0.047 R)
• M12: 7,709,077 km (0.093 R)
• M13: 9,791,330 km (0.081 R)
• M14: 14,964,275 km (0.079 R)
• M15: 16,792,511 km (0.112 R)
• M16: 17,433,687 km (0.038 R)
• M17: 23,163,286 km (0.104 R)
• M18: 24,226,478 km (0.096 R)
• M19: 24,587,906 km (0.117 R)
• M20: 32,486,075 km (0.093 R)
• M21: 33,036,296 km (0.119 R)
• M22: 42,968,996 km (0.065 R)
• M23: 45,250,813 km (0.034 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 983.8

Radius: 3.8

Gravity: 68.13 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 8.55 AU - 8.67 AU

Year: 17439 Days

Day: 18.6 Hours

Environment

Temp: -233 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 78,351,896 km

• M1: 59,540 km (0.082 R)
• M2: 179,218 km (0.107 R)
• M3: 373,995 km (0.104 R)
• M4: 1,571,526 km (0.106 R)
• M5: 3,670,234 km (0.089 R)
• M6: 4,110,949 km (0.116 R)
• M7: 4,377,982 km (0.1 R)
• M8: 4,692,137 km (0.091 R)
• M9: 5,134,349 km (0.111 R)
• M10: 5,725,260 km (0.119 R)
• M11: 5,890,267 km (0.059 R)
• M12: 6,717,543 km (0.115 R)
• M13: 7,669,135 km (0.081 R)
• M14: 7,819,182 km (0.046 R)
• M15: 10,131,965 km (0.103 R)
• M16: 26,561,850 km (0.115 R)
• M17: 27,602,303 km (0.072 R)
• M18: 28,669,684 km (0.107 R)
• M19: 30,634,502 km (0.09 R)
• M20: 34,150,501 km (0.111 R)
• M21: 36,355,873 km (0.096 R)
• M22: 43,856,860 km (0.102 R)
• M23: 45,145,346 km (0.049 R)
• M24: 74,425,838 km (0.115 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: 492 - 13,255 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit