🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 266.6

Radius: 12.7

Gravity: 1.65 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 0.45 AU - 0.57 AU

Year: 247 Days

Day: 7.4 Hours

Environment

Temp: -142 °C

Axial Tilt: 155.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 43,055,255 km

• M1: 157,975 km (0.1 R)
• M2: 578,794 km (0.08 R)
• M3: 1,105,528 km (0.096 R)
• M4: 1,646,025 km (0.072 R)
• M5: 2,353,474 km (0.088 R)
• M6: 2,943,189 km (0.051 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 523.5

Radius: 13.2

Gravity: 3 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 0.44 AU - 0.64 AU

Year: 269 Days

Day: 11.1 Hours

Environment

Temp: -144 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 43,055,255 km

• M1: 164,707 km (0.103 R)
• M2: 754,721 km (0.114 R)
• M3: 1,204,712 km (0.111 R)
• M4: 2,059,215 km (0.073 R)
• M5: 2,664,936 km (0.094 R)
• M6: 3,659,912 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 802.4

Radius: 10.2

Gravity: 7.71 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.46 AU - 0.74 AU

Year: 315 Days

Day: 9.1 Hours

Environment

Temp: -147 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 43,055,255 km

• M1: 126,859 km (0.106 R)
• M2: 673,789 km (0.081 R)
• M3: 1,051,523 km (0.086 R)
• M4: 1,415,345 km (0.081 R)
• M5: 1,908,420 km (0.113 R)
• M6: 2,259,077 km (0.071 R)
• M7: 2,652,969 km (0.109 R)
• M8: 3,009,012 km (0.078 R)
• M9: 3,929,338 km (0.094 R)
• M10: 4,421,365 km (0.119 R)
• M11: 4,939,572 km (0.082 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 458.3

Radius: 13.6

Gravity: 2.48 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 0.77 AU - 0.81 AU

Year: 476 Days

Day: 5.2 Hours

Environment

Temp: -158 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 43,055,255 km

• M1: 172,038 km (0.077 R)
• M2: 652,396 km (0.104 R)
• M3: 1,137,243 km (0.072 R)
• M4: 1,562,251 km (0.115 R)
• M5: 2,039,917 km (0.098 R)
• M6: 2,683,337 km (0.12 R)
• M7: 3,648,692 km (0.105 R)
• M8: 4,463,701 km (0.07 R)
• M9: 4,892,748 km (0.049 R)
• M10: 5,381,035 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 243.4

Radius: 11.1

Gravity: 1.98 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 0.87 AU - 0.91 AU

Year: 569 Days

Day: 12.5 Hours

Environment

Temp: -175 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 43,055,255 km

• M1: 144,212 km (0.055 R)
• M2: 495,019 km (0.095 R)
• M3: 969,095 km (0.059 R)
• M4: 1,331,271 km (0.113 R)
• M5: 1,736,532 km (0.07 R)
• M6: 2,300,366 km (0.105 R)
• M7: 2,754,546 km (0.118 R)
• M8: 3,367,448 km (0.093 R)
• M9: 4,069,062 km (0.079 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 14.2

Radius: 8.6

Gravity: 0.19 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.95 AU - 1.47 AU

Year: 903 Days

Day: 5.6 Hours

Environment

Temp: -191 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 43,055,255 km

• M1: 122,221 km (0.077 R)
• M2: 539,300 km (0.117 R)
• M3: 841,338 km (0.094 R)
• M4: 1,668,615 km (0.044 R)
• M5: 2,399,101 km (0.047 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 51.6

Radius: 8.9

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 1.22 AU - 1.3 AU

Year: 959 Days

Day: 13.1 Hours

Environment

Temp: -183 °C

Axial Tilt: 53.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 43,055,255 km

• M1: 111,002 km (0.062 R)
• M2: 446,101 km (0.082 R)
• M3: 972,237 km (0.091 R)
• M4: 1,325,587 km (0.09 R)
• M5: 1,895,854 km (0.079 R)
• M6: 2,210,159 km (0.104 R)
• M7: 3,359,370 km (0.057 R)

Planet 8 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 977.6

Radius: 10.9

Gravity: 8.23 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 1.77 AU - 2.13 AU

Year: 1847 Days

Day: 9.3 Hours

Environment

Temp: -208 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 43,055,255 km

• M1: 136,732 km (0.12 R)
• M2: 512,672 km (0.058 R)
• M3: 867,518 km (0.102 R)
• M4: 1,449,903 km (0.08 R)
• M5: 1,961,677 km (0.061 R)
• M6: 2,691,864 km (0.067 R)
• M7: 3,040,726 km (0.102 R)
• M8: 3,868,003 km (0.098 R)
• M9: 4,214,621 km (0.101 R)
• M10: 4,730,883 km (0.097 R)
• M11: 5,335,408 km (0.082 R)
• M12: 6,117,805 km (0.068 R)
• M13: 6,536,829 km (0.099 R)
• M14: 7,115,922 km (0.032 R)
• M15: 7,639,215 km (0.118 R)
• M16: 8,345,168 km (0.089 R)
• M17: 8,960,613 km (0.051 R)
• M18: 9,467,750 km (0.047 R)
• M19: 10,101,297 km (0.053 R)
• M20: 11,104,650 km (0.054 R)
• M21: 11,453,512 km (0.061 R)
• M22: 12,627,556 km (0.032 R)
• M23: 13,007,834 km (0.052 R)
• M24: 13,746,997 km (0.074 R)
• M25: 15,452,263 km (0.037 R)
• M26: 17,191,189 km (0.115 R)

Planet 9 - Gas Giant

Semi-Major Axis: 2.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 861.4

Radius: 13.1

Gravity: 5.02 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 2.18 AU - 2.9 AU

Year: 2746 Days

Day: 6.3 Hours

Environment

Temp: -215 °C

Axial Tilt: 44.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 43,055,255 km

• M1: 163,510 km (0.068 R)
• M2: 623,973 km (0.119 R)
• M3: 1,101,040 km (0.027 R)
• M4: 1,510,041 km (0.065 R)
• M5: 2,576,973 km (0.068 R)
• M6: 3,337,977 km (0.116 R)
• M7: 4,159,120 km (0.095 R)
• M8: 4,801,942 km (0.109 R)
• M9: 6,687,324 km (0.07 R)
• M10: 7,135,370 km (0.109 R)
• M11: 8,025,926 km (0.085 R)
• M12: 8,532,614 km (0.083 R)
• M13: 9,205,206 km (0.092 R)
• M14: 10,105,037 km (0.056 R)
• M15: 10,777,330 km (0.046 R)
• M16: 11,269,656 km (0.112 R)
• M17: 12,566,670 km (0.084 R)
• M18: 14,595,965 km (0.065 R)
• M19: 16,135,626 km (0.099 R)
• M20: 17,443,411 km (0.106 R)
• M21: 20,022,628 km (0.051 R)
• M22: 20,705,243 km (0.101 R)
• M23: 21,661,173 km (0.112 R)

Planet 10 - Gas Giant

Semi-Major Axis: 5.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 708.7

Radius: 8.8

Gravity: 9.15 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 4.88 AU - 5.8 AU

Year: 8370 Days

Day: 11.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 43,055,255 km

• M1: 109,506 km (0.064 R)
• M2: 452,982 km (0.049 R)
• M3: 855,550 km (0.076 R)
• M4: 2,014,635 km (0.097 R)
• M5: 2,522,220 km (0.113 R)
• M6: 3,644,503 km (0.096 R)
• M7: 6,078,610 km (0.064 R)
• M8: 7,061,468 km (0.059 R)
• M9: 8,316,445 km (0.084 R)
• M10: 11,367,493 km (0.093 R)
• M11: 15,415,313 km (0.078 R)
• M12: 19,715,653 km (0.084 R)
• M13: 24,576,686 km (0.115 R)
• M14: 32,793,349 km (0.089 R)
• M15: 34,653,150 km (0.09 R)
• M16: 36,351,834 km (0.081 R)
• M17: 37,163,103 km (0.119 R)
• M18: 37,632,242 km (0.085 R)
• M19: 37,986,490 km (0.09 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 339 - 15,689 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit