🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 243

Radius: 10.4

Gravity: 2.25 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 0.88 AU - 0.88 AU

Year: 525 Days

Day: 14.2 Hours

Environment

Temp: -155 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 44,483,947 km

• M1: 129,402 km (0.081 R)
• M2: 489,634 km (0.116 R)
• M3: 837,898 km (0.113 R)
• M4: 1,571,526 km (0.1 R)
• M5: 1,929,513 km (0.077 R)
• M6: 2,359,308 km (0.102 R)
• M7: 2,891,727 km (0.04 R)
• M8: 3,293,547 km (0.059 R)
• M9: 3,791,708 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 925.6

Radius: 13

Gravity: 5.48 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 1.26 AU - 1.38 AU

Year: 964 Days

Day: 5.4 Hours

Environment

Temp: -177 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 44,483,947 km

• M1: 161,715 km (0.081 R)
• M2: 597,045 km (0.078 R)
• M3: 1,175,690 km (0.06 R)
• M4: 1,768,995 km (0.07 R)
• M5: 2,184,727 km (0.11 R)
• M6: 2,829,793 km (0.101 R)
• M7: 3,376,574 km (0.095 R)
• M8: 4,226,439 km (0.05 R)
• M9: 4,684,209 km (0.089 R)
• M10: 5,333,014 km (0.103 R)
• M11: 5,763,108 km (0.111 R)
• M12: 7,645,199 km (0.071 R)
• M13: 8,087,410 km (0.064 R)
• M14: 8,881,177 km (0.056 R)
• M15: 9,816,762 km (0.064 R)
• M16: 10,688,319 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 191.2

Radius: 13.8

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 1.25 AU - 1.61 AU

Year: 1087 Days

Day: 5 Hours

Environment

Temp: -174 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 44,483,947 km

• M1: 171,738 km (0.105 R)
• M2: 797,805 km (0.119 R)
• M3: 1,274,424 km (0.064 R)
• M4: 1,783,655 km (0.053 R)
• M5: 2,361,402 km (0.093 R)
• M6: 2,903,246 km (0.074 R)
• M7: 3,438,657 km (0.087 R)
• M8: 4,025,679 km (0.095 R)
• M9: 4,570,514 km (0.095 R)
• M10: 5,791,532 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 290.2

Radius: 14.6

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 1.61 AU - 2.49 AU

Year: 1866 Days

Day: 9.3 Hours

Environment

Temp: -196 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 44,483,947 km

• M1: 181,612 km (0.085 R)
• M2: 695,032 km (0.09 R)
• M3: 1,406,519 km (0.107 R)
• M4: 2,024,508 km (0.071 R)
• M5: 2,873,925 km (0.086 R)
• M6: 3,757,300 km (0.101 R)
• M7: 4,501,849 km (0.115 R)
• M8: 5,384,027 km (0.089 R)
• M9: 6,493,894 km (0.101 R)
• M10: 7,673,024 km (0.116 R)
• M11: 9,522,054 km (0.099 R)
• M12: 10,975,996 km (0.088 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 134.1

Radius: 9

Gravity: 1.66 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 2.51 AU - 4.05 AU

Year: 3777 Days

Day: 5.8 Hours

Environment

Temp: -197 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 44,483,947 km

• M1: 112,198 km (0.08 R)
• M2: 699,370 km (0.073 R)
• M3: 1,392,158 km (0.104 R)
• M4: 2,176,350 km (0.072 R)
• M5: 3,877,128 km (0.111 R)
• M6: 4,452,182 km (0.059 R)
• M7: 5,453,441 km (0.116 R)
• M8: 6,273,237 km (0.106 R)
• M9: 6,648,877 km (0.067 R)
• M10: 7,119,213 km (0.087 R)
• M11: 7,500,388 km (0.05 R)
• M12: 8,634,490 km (0.043 R)
• M13: 11,348,943 km (0.117 R)
• M14: 12,601,975 km (0.056 R)
• M15: 13,364,027 km (0.112 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 717.1

Radius: 9.5

Gravity: 7.95 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 3.68 AU - 4.72 AU

Year: 5473 Days

Day: 13.2 Hours

Environment

Temp: -219 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 44,483,947 km

• M1: 118,182 km (0.115 R)
• M2: 492,626 km (0.094 R)
• M3: 1,462,170 km (0.111 R)
• M4: 3,134,225 km (0.039 R)
• M5: 4,601,780 km (0.111 R)
• M6: 6,158,496 km (0.062 R)
• M7: 8,039,390 km (0.05 R)
• M8: 8,824,479 km (0.1 R)
• M9: 10,684,430 km (0.091 R)
• M10: 11,390,681 km (0.063 R)
• M11: 12,636,532 km (0.038 R)
• M12: 14,360,947 km (0.097 R)
• M13: 14,700,983 km (0.098 R)
• M14: 15,338,270 km (0.061 R)
• M15: 17,942,320 km (0.059 R)
• M16: 19,763,823 km (0.072 R)
• M17: 21,557,502 km (0.118 R)
• M18: 22,003,603 km (0.083 R)
• M19: 24,008,364 km (0.027 R)
• M20: 25,465,597 km (0.087 R)
• M21: 29,913,889 km (0.097 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 611.6

Radius: 13.4

Gravity: 3.41 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 4.95 AU - 7.15 AU

Year: 9462 Days

Day: 5.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 44,483,947 km

• M1: 166,652 km (0.07 R)
• M2: 1,038,957 km (0.116 R)
• M3: 1,551,779 km (0.111 R)
• M4: 2,099,457 km (0.078 R)
• M5: 2,836,226 km (0.08 R)
• M6: 3,266,021 km (0.084 R)
• M7: 4,341,181 km (0.058 R)
• M8: 5,317,008 km (0.102 R)
• M9: 6,149,669 km (0.118 R)
• M10: 7,742,887 km (0.101 R)
• M11: 8,202,302 km (0.086 R)
• M12: 9,739,121 km (0.109 R)
• M13: 12,113,987 km (0.064 R)
• M14: 12,907,753 km (0.077 R)
• M15: 14,979,983 km (0.082 R)
• M16: 16,502,141 km (0.101 R)
• M17: 17,265,539 km (0.081 R)
• M18: 17,691,743 km (0.092 R)
• M19: 20,399,016 km (0.087 R)
• M20: 22,099,944 km (0.085 R)
• M21: 22,772,087 km (0.056 R)
• M22: 24,691,278 km (0.082 R)
• M23: 26,527,592 km (0.119 R)
• M24: 27,382,993 km (0.109 R)
• M25: 28,948,983 km (0.093 R)
• M26: 33,562,881 km (0.118 R)
• M27: 36,508,014 km (0.117 R)
• M28: 44,218,587 km (0.106 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 220 - 12,976 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit