🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 820.2

Radius: 11.1

Gravity: 6.66 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.53 AU - 0.77 AU

Year: 349 Days

Day: 11.6 Hours

Environment

Temp: -151 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 36,944,050 km

• M1: 138,228 km (0.071 R)
• M2: 545,135 km (0.095 R)
• M3: 982,260 km (0.117 R)
• M4: 1,547,740 km (0.064 R)
• M5: 1,988,156 km (0.119 R)
• M6: 2,401,943 km (0.059 R)
• M7: 2,792,244 km (0.107 R)
• M8: 3,236,251 km (0.106 R)
• M9: 3,617,725 km (0.118 R)
• M10: 4,081,329 km (0.09 R)
• M11: 4,669,997 km (0.058 R)
• M12: 5,113,405 km (0.071 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 891.3

Radius: 12.7

Gravity: 5.53 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 0.83 AU - 0.91 AU

Year: 541 Days

Day: 10.4 Hours

Environment

Temp: -178 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 36,944,050 km

• M1: 157,975 km (0.099 R)
• M2: 674,238 km (0.103 R)
• M3: 1,188,405 km (0.116 R)
• M4: 1,617,602 km (0.073 R)
• M5: 2,411,817 km (0.044 R)
• M6: 2,814,385 km (0.113 R)
• M7: 3,516,747 km (0.028 R)
• M8: 4,110,650 km (0.081 R)
• M9: 4,786,982 km (0.117 R)
• M10: 5,203,463 km (0.093 R)
• M11: 5,809,035 km (0.071 R)
• M12: 7,076,727 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 661.1

Radius: 13.7

Gravity: 3.52 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.82 AU - 1.22 AU

Year: 687 Days

Day: 10.2 Hours

Environment

Temp: -184 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 36,944,050 km

• M1: 171,290 km (0.075 R)
• M2: 758,910 km (0.025 R)
• M3: 1,703,172 km (0.073 R)
• M4: 2,208,513 km (0.113 R)
• M5: 2,702,336 km (0.093 R)
• M6: 3,194,962 km (0.072 R)
• M7: 3,692,375 km (0.037 R)
• M8: 4,241,399 km (0.099 R)
• M9: 5,133,002 km (0.052 R)
• M10: 6,146,079 km (0.105 R)
• M11: 7,421,102 km (0.059 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 637.4

Radius: 12.1

Gravity: 4.35 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 1.05 AU - 1.35 AU

Year: 877 Days

Day: 14 Hours

Environment

Temp: -185 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 36,944,050 km

• M1: 150,495 km (0.051 R)
• M2: 595,848 km (0.067 R)
• M3: 994,975 km (0.107 R)
• M4: 1,525,898 km (0.117 R)
• M5: 2,083,300 km (0.117 R)
• M6: 3,387,943 km (0.115 R)
• M7: 4,044,378 km (0.078 R)
• M8: 4,889,158 km (0.113 R)
• M9: 5,496,226 km (0.094 R)
• M10: 7,528,064 km (0.112 R)
• M11: 8,087,261 km (0.072 R)
• M12: 8,673,984 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 143

Radius: 14.4

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 1.44 AU - 1.7 AU

Year: 1312 Days

Day: 5.2 Hours

Environment

Temp: -188 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 36,944,050 km

• M1: 181,911 km (0.104 R)
• M2: 1,370,616 km (0.105 R)
• M3: 2,164,232 km (0.047 R)
• M4: 3,604,112 km (0.082 R)
• M5: 4,718,766 km (0.051 R)
• M6: 5,921,383 km (0.088 R)
• M7: 6,495,839 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 401.2

Radius: 13.4

Gravity: 2.23 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 3.3 AU - 3.34 AU

Year: 4034 Days

Day: 13.2 Hours

Environment

Temp: -207 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 36,944,050 km

• M1: 166,652 km (0.11 R)
• M2: 990,936 km (0.1 R)
• M3: 1,610,122 km (0.112 R)
• M4: 2,146,729 km (0.082 R)
• M5: 3,257,194 km (0.059 R)
• M6: 4,106,462 km (0.091 R)
• M7: 4,720,561 km (0.067 R)
• M8: 5,295,166 km (0.04 R)
• M9: 6,731,156 km (0.078 R)
• M10: 8,242,992 km (0.108 R)
• M11: 9,043,191 km (0.08 R)
• M12: 9,742,711 km (0.034 R)
• M13: 10,359,503 km (0.104 R)
• M14: 10,879,655 km (0.076 R)
• M15: 12,190,880 km (0.094 R)
• M16: 13,557,756 km (0.055 R)
• M17: 14,773,089 km (0.071 R)
• M18: 15,536,337 km (0.082 R)
• M19: 16,757,505 km (0.118 R)
• M20: 17,813,815 km (0.098 R)
• M21: 18,561,805 km (0.074 R)
• M22: 20,120,614 km (0.071 R)

Asteroid Belt

Center: 4.58 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 5.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 354.1

Radius: 6.6

Gravity: 8.13 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 5.62 AU - 6.06 AU

Year: 9411 Days

Day: 15.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 36,944,050 km

• M1: 82,129 km (0.095 R)
• M2: 381,475 km (0.059 R)
• M3: 807,679 km (0.119 R)
• M4: 1,107,473 km (0.047 R)
• M5: 1,312,721 km (0.108 R)
• M6: 1,662,481 km (0.102 R)
• M7: 1,934,151 km (0.105 R)
• M8: 2,512,795 km (0.068 R)
• M9: 2,754,994 km (0.028 R)
• M10: 3,095,479 km (0.088 R)
• M11: 3,788,416 km (0.048 R)
• M12: 4,392,343 km (0.092 R)
• M13: 4,801,344 km (0.096 R)
• M14: 5,175,937 km (0.037 R)
• M15: 8,824,928 km (0.101 R)
• M16: 10,393,312 km (0.047 R)
• M17: 10,873,671 km (0.059 R)
• M18: 11,672,673 km (0.106 R)
• M19: 13,556,110 km (0.101 R)
• M20: 15,883,404 km (0.08 R)
• M21: 16,976,366 km (0.09 R)
• M22: 17,307,277 km (0.116 R)
• M23: 17,845,530 km (0.108 R)
• M24: 23,365,093 km (0.096 R)
• M25: 28,043,766 km (0.029 R)
• M26: 29,636,685 km (0.076 R)
• M27: 30,894,952 km (0.117 R)
• M28: 31,388,176 km (0.063 R)
• M29: 36,066,401 km (0.103 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 324 - 14,556 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit