🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 438.7

Radius: 12.6

Gravity: 2.76 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.62 AU - 0.88 AU

Year: 419 Days

Day: 5.6 Hours

Environment

Temp: -147 °C

Axial Tilt: 166.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 43,940,708 km

• M1: 157,227 km (0.108 R)
• M2: 568,173 km (0.038 R)
• M3: 996,023 km (0.043 R)
• M4: 1,411,157 km (0.104 R)
• M5: 2,138,053 km (0.097 R)
• M6: 2,667,180 km (0.088 R)
• M7: 3,218,449 km (0.108 R)
• M8: 3,631,488 km (0.079 R)
• M9: 4,703,207 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 738.3

Radius: 8.6

Gravity: 9.98 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 1.28 AU - 1.4 AU

Year: 1002 Days

Day: 13.3 Hours

Environment

Temp: -166 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 43,940,708 km

• M1: 107,262 km (0.103 R)
• M2: 387,458 km (0.107 R)
• M3: 719,865 km (0.082 R)
• M4: 1,161,927 km (0.107 R)
• M5: 1,881,343 km (0.066 R)
• M6: 2,305,902 km (0.118 R)
• M7: 2,975,053 km (0.085 R)
• M8: 3,248,518 km (0.105 R)
• M9: 3,674,872 km (0.091 R)
• M10: 3,990,523 km (0.104 R)
• M11: 5,807,689 km (0.032 R)
• M12: 6,325,596 km (0.09 R)
• M13: 7,111,733 km (0.1 R)
• M14: 7,404,197 km (0.093 R)
• M15: 8,197,215 km (0.115 R)
• M16: 8,519,000 km (0.096 R)
• M17: 8,849,312 km (0.118 R)
• M18: 9,302,893 km (0.117 R)
• M19: 10,504,762 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 524.9

Radius: 14.3

Gravity: 2.57 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 1.36 AU - 1.44 AU

Year: 1070 Days

Day: 11.7 Hours

Environment

Temp: -180 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 43,940,708 km

• M1: 178,171 km (0.105 R)
• M2: 758,012 km (0.055 R)
• M3: 1,305,690 km (0.087 R)
• M4: 2,242,921 km (0.075 R)
• M5: 3,109,990 km (0.107 R)
• M6: 3,622,213 km (0.094 R)
• M7: 4,455,174 km (0.052 R)
• M8: 5,393,153 km (0.108 R)
• M9: 6,075,319 km (0.107 R)
• M10: 6,724,424 km (0.116 R)
• M11: 9,312,467 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 591.4

Radius: 13.2

Gravity: 3.39 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 2.1 AU - 3.2 AU

Year: 2785 Days

Day: 9.4 Hours

Environment

Temp: -189 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 43,940,708 km

• M1: 164,109 km (0.117 R)
• M2: 649,704 km (0.081 R)
• M3: 1,819,708 km (0.041 R)
• M4: 2,957,251 km (0.066 R)
• M5: 3,572,098 km (0.047 R)
• M6: 4,502,447 km (0.067 R)
• M7: 5,129,861 km (0.105 R)
• M8: 6,100,452 km (0.056 R)
• M9: 6,870,282 km (0.102 R)
• M10: 7,428,881 km (0.056 R)
• M11: 9,394,746 km (0.113 R)
• M12: 11,121,405 km (0.117 R)
• M13: 11,851,592 km (0.09 R)
• M14: 12,313,401 km (0.095 R)
• M15: 12,787,327 km (0.026 R)
• M16: 13,863,534 km (0.1 R)
• M17: 15,992,461 km (0.076 R)
• M18: 19,235,743 km (0.057 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 355.6

Radius: 13.8

Gravity: 1.87 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 2.85 AU - 4.59 AU

Year: 4633 Days

Day: 14.7 Hours

Environment

Temp: -207 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 43,940,708 km

• M1: 171,589 km (0.076 R)
• M2: 642,523 km (0.113 R)
• M3: 1,195,885 km (0.045 R)
• M4: 1,749,397 km (0.05 R)
• M5: 2,243,818 km (0.111 R)
• M6: 3,316,884 km (0.04 R)
• M7: 4,801,942 km (0.081 R)
• M8: 7,890,091 km (0.116 R)
• M9: 8,330,657 km (0.096 R)
• M10: 9,829,478 km (0.075 R)
• M11: 12,518,948 km (0.113 R)
• M12: 14,988,211 km (0.061 R)
• M13: 18,408,018 km (0.081 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 299.5

Radius: 13.9

Gravity: 1.55 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 4.39 AU - 4.87 AU

Year: 6433 Days

Day: 7 Hours

Environment

Temp: -205 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 43,940,708 km

• M1: 173,982 km (0.118 R)
• M2: 900,130 km (0.107 R)
• M3: 1,408,763 km (0.073 R)
• M4: 1,988,904 km (0.088 R)
• M5: 2,846,399 km (0.027 R)
• M6: 3,938,613 km (0.104 R)
• M7: 4,852,955 km (0.078 R)
• M8: 6,940,444 km (0.118 R)
• M9: 11,904,400 km (0.067 R)
• M10: 12,566,520 km (0.034 R)
• M11: 16,367,653 km (0.067 R)
• M12: 17,849,868 km (0.09 R)
• M13: 18,404,727 km (0.11 R)
• M14: 19,226,618 km (0.117 R)
• M15: 24,530,161 km (0.097 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 926.7

Radius: 11

Gravity: 7.66 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 4.53 AU - 5.77 AU

Year: 7546 Days

Day: 14.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 43,940,708 km

• M1: 137,032 km (0.08 R)
• M2: 642,373 km (0.116 R)
• M3: 1,343,389 km (0.079 R)
• M4: 1,858,454 km (0.091 R)
• M5: 2,675,708 km (0.057 R)
• M6: 3,547,115 km (0.084 R)
• M7: 4,022,986 km (0.09 R)
• M8: 4,713,679 km (0.087 R)
• M9: 6,085,193 km (0.076 R)
• M10: 7,829,504 km (0.082 R)
• M11: 8,639,277 km (0.101 R)
• M12: 10,325,993 km (0.098 R)
• M13: 13,193,784 km (0.12 R)
• M14: 15,616,821 km (0.047 R)
• M15: 19,979,244 km (0.079 R)
• M16: 21,488,687 km (0.106 R)
• M17: 29,181,159 km (0.063 R)
• M18: 32,712,716 km (0.111 R)
• M19: 33,913,837 km (0.07 R)
• M20: 34,469,294 km (0.07 R)
• M21: 40,861,910 km (0.108 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 528 - 17,142 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit