🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 893.1

Radius: 10.3

Gravity: 8.42 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 0.61 AU - 0.65 AU

Year: 339 Days

Day: 6 Hours

Environment

Temp: -150 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 62,197,732 km

• M1: 128,056 km (0.113 R)
• M2: 497,413 km (0.097 R)
• M3: 843,134 km (0.102 R)
• M4: 1,178,981 km (0.066 R)
• M5: 1,592,918 km (0.104 R)
• M6: 2,037,822 km (0.12 R)
• M7: 2,574,430 km (0.079 R)
• M8: 2,923,442 km (0.097 R)
• M9: 4,287,176 km (0.114 R)
• M10: 4,736,867 km (0.065 R)
• M11: 5,079,446 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 463.5

Radius: 11

Gravity: 3.83 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.75 AU - 1.07 AU

Year: 589 Days

Day: 11.1 Hours

Environment

Temp: -168 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 62,197,732 km

• M1: 137,480 km (0.103 R)
• M2: 489,634 km (0.078 R)
• M3: 925,113 km (0.036 R)
• M4: 1,593,517 km (0.108 R)
• M5: 2,087,638 km (0.048 R)
• M6: 2,591,185 km (0.081 R)
• M7: 3,060,174 km (0.041 R)
• M8: 3,498,047 km (0.108 R)
• M9: 5,412,750 km (0.08 R)
• M10: 6,147,126 km (0.056 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 752.4

Radius: 11.2

Gravity: 6 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 1.75 AU - 1.85 AU

Year: 1638 Days

Day: 11.5 Hours

Environment

Temp: -204 °C

Axial Tilt: 46.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 62,197,732 km

• M1: 139,276 km (0.079 R)
• M2: 515,813 km (0.039 R)
• M3: 1,002,605 km (0.092 R)
• M4: 1,529,937 km (0.091 R)
• M5: 1,918,144 km (0.072 R)
• M6: 2,673,763 km (0.109 R)
• M7: 3,197,505 km (0.087 R)
• M8: 3,651,534 km (0.12 R)
• M9: 4,038,245 km (0.118 R)
• M10: 4,452,332 km (0.108 R)
• M11: 4,812,115 km (0.101 R)
• M12: 5,213,037 km (0.062 R)
• M13: 6,228,059 km (0.064 R)
• M14: 6,577,370 km (0.078 R)
• M15: 7,233,805 km (0.095 R)
• M16: 8,020,391 km (0.051 R)
• M17: 8,770,026 km (0.081 R)
• M18: 9,631,410 km (0.045 R)
• M19: 10,202,126 km (0.112 R)
• M20: 12,634,438 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 420.5

Radius: 12.3

Gravity: 2.78 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 4.55 AU - 5.95 AU

Year: 8159 Days

Day: 12.9 Hours

Environment

Temp: -233 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 62,197,732 km

• M1: 153,637 km (0.114 R)
• M2: 2,127,132 km (0.093 R)
• M3: 3,806,667 km (0.098 R)
• M4: 5,277,813 km (0.106 R)
• M5: 6,711,858 km (0.061 R)
• M6: 7,134,921 km (0.093 R)
• M7: 10,242,817 km (0.081 R)
• M8: 10,996,939 km (0.11 R)
• M9: 12,936,326 km (0.115 R)
• M10: 15,577,626 km (0.117 R)
• M11: 17,948,453 km (0.089 R)
• M12: 20,476,957 km (0.066 R)
• M13: 21,750,034 km (0.119 R)
• M14: 23,154,758 km (0.083 R)
• M15: 27,821,464 km (0.104 R)
• M16: 32,677,112 km (0.095 R)
• M17: 33,283,133 km (0.093 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 273.7

Radius: 13.5

Gravity: 1.5 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 4.46 AU - 6.6 AU

Year: 8820 Days

Day: 8.8 Hours

Environment

Temp: -219 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 62,197,732 km

• M1: 168,746 km (0.115 R)
• M2: 735,573 km (0.077 R)
• M3: 1,246,300 km (0.109 R)
• M4: 1,830,779 km (0.066 R)
• M5: 2,682,739 km (0.076 R)
• M6: 3,629,693 km (0.108 R)
• M7: 4,657,580 km (0.073 R)
• M8: 5,600,944 km (0.113 R)
• M9: 6,149,968 km (0.06 R)
• M10: 7,075,530 km (0.097 R)
• M11: 7,866,305 km (0.117 R)
• M12: 9,038,853 km (0.089 R)
• M13: 9,496,922 km (0.116 R)
• M14: 10,102,195 km (0.108 R)
• M15: 11,058,574 km (0.075 R)
• M16: 12,325,369 km (0.072 R)
• M17: 12,941,562 km (0.102 R)
• M18: 17,461,961 km (0.088 R)
• M19: 20,929,490 km (0.068 R)
• M20: 27,169,068 km (0.108 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 581.5

Radius: 7.5

Gravity: 10.34 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 6.85 AU - 9.63 AU

Year: 16043 Days

Day: 16.8 Hours

Environment

Temp: -231 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 62,197,732 km

• M1: 117,434 km (0.05 R)
• M2: 868,715 km (0.111 R)
• M3: 1,210,247 km (0.098 R)
• M4: 1,500,915 km (0.112 R)
• M5: 1,820,905 km (0.083 R)
• M6: 2,512,795 km (0.097 R)
• M7: 3,555,193 km (0.054 R)
• M8: 4,827,224 km (0.107 R)
• M9: 5,529,137 km (0.069 R)
• M10: 6,875,967 km (0.074 R)
• M11: 7,134,622 km (0.087 R)
• M12: 7,444,588 km (0.097 R)
• M13: 9,872,562 km (0.08 R)
• M14: 10,313,576 km (0.05 R)
• M15: 10,710,310 km (0.107 R)
• M16: 11,777,092 km (0.112 R)
• M17: 12,783,437 km (0.065 R)
• M18: 14,120,543 km (0.069 R)
• M19: 14,609,878 km (0.059 R)
• M20: 15,474,853 km (0.097 R)
• M21: 17,867,072 km (0.086 R)
• M22: 22,604,089 km (0.098 R)
• M23: 23,956,304 km (0.093 R)
• M24: 25,157,575 km (0.079 R)
• M25: 27,355,616 km (0.059 R)
• M26: 28,115,873 km (0.088 R)
• M27: 28,667,440 km (0.107 R)
• M28: 29,451,931 km (0.051 R)
• M29: 33,589,509 km (0.085 R)
• M30: 35,732,349 km (0.117 R)
• M31: 38,098,688 km (0.111 R)
• M32: 44,467,967 km (0.084 R)
• M33: 45,669,986 km (0.072 R)
• M34: 45,973,819 km (0.072 R)
• M35: 53,340,018 km (0.042 R)
• M36: 57,832,742 km (0.079 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 418 - 17,730 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit