🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 149.6

Radius: 14.9

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 0.87 AU - 0.93 AU

Year: 560 Days

Day: 13 Hours

Environment

Temp: -143 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 30,023,106 km

• M1: 185,352 km (0.091 R)
• M2: 687,253 km (0.111 R)
• M3: 1,210,097 km (0.084 R)
• M4: 1,757,027 km (0.044 R)
• M5: 2,253,991 km (0.117 R)
• M6: 2,957,550 km (0.106 R)
• M7: 3,850,051 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 323.9

Radius: 13.9

Gravity: 1.68 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 1.07 AU - 1.17 AU

Year: 778 Days

Day: 5.2 Hours

Environment

Temp: -170 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 30,023,106 km

• M1: 173,085 km (0.094 R)
• M2: 626,516 km (0.106 R)
• M3: 1,094,458 km (0.108 R)
• M4: 1,541,456 km (0.051 R)
• M5: 2,070,285 km (0.077 R)
• M6: 2,773,395 km (0.085 R)
• M7: 3,709,429 km (0.03 R)
• M8: 4,187,394 km (0.069 R)
• M9: 4,706,499 km (0.077 R)
• M10: 5,302,048 km (0.088 R)
• M11: 6,020,417 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 269.5

Radius: 8.9

Gravity: 3.4 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 1.14 AU - 1.28 AU

Year: 873 Days

Day: 7.8 Hours

Environment

Temp: -162 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 30,023,106 km

• M1: 110,702 km (0.105 R)
• M2: 472,280 km (0.079 R)
• M3: 886,667 km (0.103 R)
• M4: 1,187,657 km (0.089 R)
• M5: 1,639,443 km (0.103 R)
• M6: 2,013,438 km (0.119 R)
• M7: 2,576,225 km (0.096 R)
• M8: 3,240,290 km (0.052 R)
• M9: 3,659,014 km (0.036 R)
• M10: 4,347,165 km (0.073 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 968.1

Radius: 8.3

Gravity: 14.05 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 1.19 AU - 1.49 AU

Year: 1018 Days

Day: 11.7 Hours

Environment

Temp: -181 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 30,023,106 km

• M1: 103,223 km (0.108 R)
• M2: 363,822 km (0.083 R)
• M3: 787,334 km (0.08 R)
• M4: 1,617,751 km (0.112 R)
• M5: 1,912,908 km (0.099 R)
• M6: 2,300,965 km (0.03 R)
• M7: 2,575,926 km (0.077 R)
• M8: 2,913,269 km (0.037 R)
• M9: 3,398,864 km (0.112 R)
• M10: 3,822,076 km (0.119 R)
• M11: 4,333,252 km (0.102 R)
• M12: 4,642,620 km (0.117 R)
• M13: 4,966,799 km (0.104 R)
• M14: 6,097,908 km (0.117 R)
• M15: 6,917,555 km (0.068 R)
• M16: 7,392,229 km (0.084 R)
• M17: 8,603,224 km (0.059 R)
• M18: 9,571,870 km (0.097 R)
• M19: 10,193,300 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 893.5

Radius: 14.5

Gravity: 4.25 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 1.44 AU - 1.52 AU

Year: 1181 Days

Day: 10.7 Hours

Environment

Temp: -172 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 30,023,106 km

• M1: 180,415 km (0.107 R)
• M2: 774,767 km (0.059 R)
• M3: 1,312,721 km (0.068 R)
• M4: 2,214,348 km (0.092 R)
• M5: 2,693,958 km (0.101 R)
• M6: 3,377,322 km (0.073 R)
• M7: 3,968,383 km (0.103 R)
• M8: 4,442,907 km (0.117 R)
• M9: 4,896,488 km (0.083 R)
• M10: 5,743,960 km (0.025 R)
• M11: 6,237,932 km (0.1 R)
• M12: 7,467,477 km (0.115 R)
• M13: 8,029,815 km (0.091 R)
• M14: 8,707,045 km (0.071 R)
• M15: 9,239,912 km (0.054 R)
• M16: 10,701,184 km (0.051 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 454

Radius: 12.2

Gravity: 3.05 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 1.61 AU - 1.69 AU

Year: 1390 Days

Day: 5.3 Hours

Environment

Temp: -188 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 30,023,106 km

• M1: 151,692 km (0.096 R)
• M2: 538,552 km (0.073 R)
• M3: 965,654 km (0.069 R)
• M4: 1,383,032 km (0.111 R)
• M5: 1,893,909 km (0.093 R)
• M6: 2,424,084 km (0.061 R)
• M7: 3,190,324 km (0.115 R)
• M8: 3,770,764 km (0.057 R)
• M9: 4,196,071 km (0.107 R)
• M10: 4,671,792 km (0.111 R)
• M11: 5,544,995 km (0.115 R)
• M12: 6,803,861 km (0.08 R)
• M13: 7,589,549 km (0.102 R)
• M14: 8,137,376 km (0.108 R)
• M15: 9,608,222 km (0.069 R)
• M16: 10,565,499 km (0.105 R)
• M17: 10,952,808 km (0.108 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 944.3

Radius: 9.2

Gravity: 11.16 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 3.38 AU - 3.54 AU

Year: 4222 Days

Day: 5.4 Hours

Environment

Temp: -197 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 30,023,106 km

• M1: 125,513 km (0.103 R)
• M2: 554,260 km (0.116 R)
• M3: 1,199,027 km (0.091 R)
• M4: 1,768,546 km (0.08 R)
• M5: 2,410,321 km (0.1 R)
• M6: 2,750,058 km (0.104 R)
• M7: 3,853,043 km (0.113 R)
• M8: 4,643,219 km (0.069 R)
• M9: 5,117,594 km (0.109 R)
• M10: 5,451,795 km (0.095 R)
• M11: 6,836,623 km (0.083 R)
• M12: 9,727,602 km (0.1 R)
• M13: 12,185,046 km (0.1 R)
• M14: 13,821,946 km (0.117 R)
• M15: 14,637,703 km (0.031 R)
• M16: 15,370,284 km (0.091 R)
• M17: 16,847,563 km (0.116 R)
• M18: 18,677,294 km (0.11 R)
• M19: 20,013,802 km (0.07 R)
• M20: 20,916,176 km (0.102 R)
• M21: 22,430,555 km (0.101 R)
• M22: 25,595,747 km (0.042 R)
• M23: 26,824,544 km (0.093 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: 474 - 10,929 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit