🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 678.2

Radius: 13.2

Gravity: 3.89 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 0.76 AU - 1.1 AU

Year: 570 Days

Day: 6.3 Hours

Environment

Temp: -148 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 46,998,268 km

• M1: 164,109 km (0.069 R)
• M2: 587,022 km (0.078 R)
• M3: 1,437,785 km (0.086 R)
• M4: 1,917,695 km (0.098 R)
• M5: 2,386,385 km (0.12 R)
• M6: 3,308,207 km (0.095 R)
• M7: 4,500,502 km (0.059 R)
• M8: 5,460,322 km (0.074 R)
• M9: 6,017,126 km (0.065 R)
• M10: 6,493,595 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 172.5

Radius: 8.5

Gravity: 2.39 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 1.56 AU - 1.78 AU

Year: 1372 Days

Day: 8.1 Hours

Environment

Temp: -185 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 46,998,268 km

• M1: 105,766 km (0.102 R)
• M2: 773,421 km (0.07 R)
• M3: 1,123,181 km (0.067 R)
• M4: 1,546,692 km (0.056 R)
• M5: 1,981,424 km (0.066 R)
• M6: 2,338,813 km (0.101 R)
• M7: 2,739,137 km (0.119 R)
• M8: 3,121,659 km (0.107 R)
• M9: 3,485,182 km (0.098 R)
• M10: 4,600,583 km (0.069 R)
• M11: 5,521,358 km (0.053 R)
• M12: 7,910,436 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 478.9

Radius: 10.7

Gravity: 4.18 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 2.43 AU - 2.67 AU

Year: 2589 Days

Day: 7 Hours

Environment

Temp: -207 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 46,998,268 km

• M1: 143,165 km (0.084 R)
• M2: 559,945 km (0.08 R)
• M3: 906,713 km (0.091 R)
• M4: 1,737,729 km (0.119 R)
• M5: 2,341,506 km (0.106 R)
• M6: 2,939,748 km (0.095 R)
• M7: 3,461,695 km (0.096 R)
• M8: 4,200,259 km (0.099 R)
• M9: 5,596,756 km (0.078 R)
• M10: 6,480,430 km (0.103 R)
• M11: 6,997,889 km (0.084 R)
• M12: 7,513,254 km (0.093 R)
• M13: 8,115,385 km (0.09 R)
• M14: 9,078,646 km (0.091 R)
• M15: 9,797,165 km (0.088 R)
• M16: 11,503,328 km (0.073 R)
• M17: 12,059,832 km (0.119 R)
• M18: 14,240,371 km (0.106 R)
• M19: 15,210,214 km (0.069 R)
• M20: 16,371,991 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 635

Radius: 12.8

Gravity: 3.88 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 2.43 AU - 3.73 AU

Year: 3437 Days

Day: 7.6 Hours

Environment

Temp: -209 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 46,998,268 km

• M1: 159,471 km (0.093 R)
• M2: 1,078,152 km (0.096 R)
• M3: 1,562,699 km (0.078 R)
• M4: 2,020,768 km (0.103 R)
• M5: 2,448,768 km (0.101 R)
• M6: 3,416,965 km (0.119 R)
• M7: 4,031,214 km (0.06 R)
• M8: 5,227,099 km (0.056 R)
• M9: 6,977,693 km (0.084 R)
• M10: 8,344,120 km (0.044 R)
• M11: 8,873,248 km (0.084 R)
• M12: 10,354,267 km (0.068 R)
• M13: 11,174,961 km (0.06 R)
• M14: 14,897,854 km (0.097 R)
• M15: 16,158,964 km (0.04 R)
• M16: 16,871,199 km (0.032 R)
• M17: 19,194,604 km (0.106 R)
• M18: 19,993,606 km (0.083 R)
• M19: 21,007,281 km (0.042 R)
• M20: 21,526,834 km (0.109 R)
• M21: 22,255,226 km (0.057 R)
• M22: 22,863,342 km (0.056 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 831.5

Radius: 14.1

Gravity: 4.18 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 5.44 AU - 6.32 AU

Year: 9066 Days

Day: 5.6 Hours

Environment

Temp: -216 °C

Axial Tilt: 172.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 46,998,268 km

• M1: 176,226 km (0.098 R)
• M2: 957,277 km (0.091 R)
• M3: 1,859,202 km (0.071 R)
• M4: 2,691,864 km (0.114 R)
• M5: 4,640,825 km (0.084 R)
• M6: 6,284,607 km (0.098 R)
• M7: 7,239,639 km (0.071 R)
• M8: 7,985,534 km (0.092 R)
• M9: 8,600,681 km (0.088 R)
• M10: 11,603,409 km (0.047 R)
• M11: 18,285,049 km (0.056 R)
• M12: 18,968,860 km (0.058 R)
• M13: 19,748,565 km (0.119 R)
• M14: 21,539,251 km (0.039 R)
• M15: 22,474,238 km (0.112 R)
• M16: 25,818,349 km (0.041 R)
• M17: 45,918,767 km (0.077 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 881

Radius: 5.2

Gravity: 32.58 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 7.07 AU - 10.33 AU

Year: 16316 Days

Day: 24.7 Hours

Environment

Temp: -233 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 46,998,268 km

• M1: 64,925 km (0.118 R)
• M2: 529,128 km (0.086 R)
• M3: 812,466 km (0.057 R)
• M4: 989,440 km (0.113 R)
• M5: 1,152,352 km (0.064 R)
• M6: 1,917,695 km (0.119 R)
• M7: 2,901,600 km (0.1 R)
• M8: 3,212,764 km (0.119 R)
• M9: 3,603,514 km (0.052 R)
• M10: 5,186,409 km (0.1 R)
• M11: 7,368,892 km (0.115 R)
• M12: 8,819,094 km (0.087 R)
• M13: 9,639,339 km (0.06 R)
• M14: 9,809,282 km (0.054 R)
• M15: 14,515,182 km (0.107 R)
• M16: 15,500,135 km (0.041 R)
• M17: 20,534,253 km (0.111 R)
• M18: 21,968,597 km (0.077 R)
• M19: 25,356,540 km (0.078 R)
• M20: 31,252,042 km (0.103 R)
• M21: 31,500,225 km (0.113 R)
• M22: 34,317,602 km (0.118 R)
• M23: 35,114,211 km (0.113 R)
• M24: 45,814,946 km (0.108 R)
• M25: 46,296,053 km (0.066 R)
• M26: 47,923,678 km (0.112 R)
• M27: 48,419,296 km (0.105 R)
• M28: 50,266,081 km (0.031 R)
• M29: 52,508,404 km (0.074 R)
• M30: 59,443,761 km (0.07 R)
• M31: 62,537,744 km (0.1 R)
• M32: 63,327,771 km (0.11 R)
• M33: 64,726,062 km (0.062 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 151.4

Radius: 7.4

Gravity: 2.76 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 9.72 AU - 10.64 AU

Year: 20652 Days

Day: 15.1 Hours

Environment

Temp: -224 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 46,998,268 km

• M1: 92,152 km (0.111 R)
• M2: 1,015,321 km (0.09 R)
• M3: 1,629,121 km (0.088 R)
• M4: 2,605,397 km (0.111 R)
• M5: 4,394,886 km (0.089 R)
• M6: 4,808,225 km (0.062 R)
• M7: 8,870,555 km (0.105 R)
• M8: 9,482,710 km (0.104 R)
• M9: 10,325,395 km (0.062 R)
• M10: 21,506,339 km (0.117 R)
• M11: 25,954,632 km (0.117 R)
• M12: 35,907,379 km (0.109 R)
• M13: 39,300,857 km (0.04 R)
• M14: 39,928,420 km (0.039 R)
• M15: 40,435,407 km (0.112 R)
• M16: 41,075,087 km (0.12 R)
• M17: 45,743,139 km (0.1 R)
• M18: 46,857,643 km (0.032 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 258 - 16,300 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit