🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 371.2

Radius: 8

Gravity: 5.8 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 0.49 AU - 0.57 AU

Year: 257 Days

Day: 10.5 Hours

Environment

Temp: -133 °C

Axial Tilt: 45.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 32,365,480 km

• M1: 99,483 km (0.077 R)
• M2: 392,844 km (0.057 R)
• M3: 670,797 km (0.095 R)
• M4: 1,045,689 km (0.075 R)
• M5: 1,333,665 km (0.047 R)
• M6: 1,644,529 km (0.109 R)
• M7: 2,239,480 km (0.074 R)
• M8: 2,793,441 km (0.076 R)
• M9: 3,298,035 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 909.6

Radius: 10.6

Gravity: 8.1 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 0.63 AU - 0.73 AU

Year: 374 Days

Day: 6.3 Hours

Environment

Temp: -151 °C

Axial Tilt: 48.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 32,365,480 km

• M1: 131,796 km (0.097 R)
• M2: 522,994 km (0.06 R)
• M3: 864,825 km (0.108 R)
• M4: 1,840,951 km (0.108 R)
• M5: 2,390,873 km (0.088 R)
• M6: 2,812,739 km (0.109 R)
• M7: 3,215,457 km (0.103 R)
• M8: 3,731,719 km (0.119 R)
• M9: 4,500,652 km (0.081 R)
• M10: 4,976,972 km (0.066 R)
• M11: 5,307,583 km (0.054 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 673.7

Radius: 11.9

Gravity: 4.76 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 0.65 AU - 0.75 AU

Year: 391 Days

Day: 10.3 Hours

Environment

Temp: -157 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 32,365,480 km

• M1: 147,952 km (0.089 R)
• M2: 537,954 km (0.077 R)
• M3: 993,330 km (0.058 R)
• M4: 1,607,429 km (0.101 R)
• M5: 1,979,329 km (0.115 R)
• M6: 2,436,650 km (0.116 R)
• M7: 3,070,347 km (0.048 R)
• M8: 3,520,337 km (0.027 R)
• M9: 4,053,205 km (0.074 R)
• M10: 4,484,196 km (0.063 R)
• M11: 4,886,465 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 986.9

Radius: 11.4

Gravity: 7.59 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 3.15 AU - 3.93 AU

Year: 4442 Days

Day: 8.7 Hours

Environment

Temp: -208 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 32,365,480 km

• M1: 141,968 km (0.101 R)
• M2: 559,346 km (0.035 R)
• M3: 997,369 km (0.104 R)
• M4: 1,863,241 km (0.066 R)
• M5: 2,241,425 km (0.059 R)
• M6: 2,832,486 km (0.058 R)
• M7: 3,832,847 km (0.029 R)
• M8: 7,123,701 km (0.112 R)
• M9: 7,691,425 km (0.12 R)
• M10: 8,404,708 km (0.089 R)
• M11: 9,963,069 km (0.047 R)
• M12: 10,948,919 km (0.096 R)
• M13: 11,998,796 km (0.079 R)
• M14: 14,242,615 km (0.083 R)
• M15: 14,745,563 km (0.09 R)
• M16: 15,318,224 km (0.063 R)
• M17: 16,024,774 km (0.059 R)
• M18: 26,199,823 km (0.089 R)
• M19: 27,125,385 km (0.11 R)
• M20: 28,334,734 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 379.9

Radius: 10.1

Gravity: 3.72 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 3.76 AU - 3.9 AU

Year: 4998 Days

Day: 12.1 Hours

Environment

Temp: -210 °C

Axial Tilt: 49.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 32,365,480 km

• M1: 125,662 km (0.101 R)
• M2: 441,763 km (0.029 R)
• M3: 934,239 km (0.038 R)
• M4: 1,257,819 km (0.089 R)
• M5: 1,826,440 km (0.113 R)
• M6: 2,227,811 km (0.109 R)
• M7: 2,704,131 km (0.06 R)
• M8: 3,228,920 km (0.052 R)
• M9: 3,635,677 km (0.117 R)
• M10: 4,098,533 km (0.119 R)
• M11: 4,459,363 km (0.083 R)
• M12: 5,116,995 km (0.114 R)
• M13: 6,325,596 km (0.091 R)
• M14: 7,715,211 km (0.08 R)
• M15: 10,166,222 km (0.085 R)
• M16: 10,536,627 km (0.062 R)
• M17: 10,915,857 km (0.083 R)
• M18: 11,391,878 km (0.095 R)
• M19: 16,885,560 km (0.079 R)
• M20: 20,753,713 km (0.06 R)
• M21: 21,283,738 km (0.115 R)
• M22: 21,822,739 km (0.095 R)
• M23: 23,853,380 km (0.116 R)
• M24: 24,215,856 km (0.104 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 576.6

Radius: 14.2

Gravity: 2.86 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 3.9 AU - 4.26 AU

Year: 5496 Days

Day: 14.2 Hours

Environment

Temp: -219 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 32,365,480 km

• M1: 176,525 km (0.089 R)
• M2: 677,230 km (0.1 R)
• M3: 1,448,855 km (0.042 R)
• M4: 2,318,767 km (0.11 R)
• M5: 3,330,946 km (0.071 R)
• M6: 4,134,137 km (0.112 R)
• M7: 4,983,255 km (0.096 R)
• M8: 5,975,837 km (0.083 R)
• M9: 7,267,465 km (0.116 R)
• M10: 7,979,550 km (0.026 R)
• M11: 8,543,834 km (0.062 R)
• M12: 9,378,739 km (0.069 R)
• M13: 9,922,378 km (0.113 R)
• M14: 11,304,064 km (0.117 R)
• M15: 11,776,195 km (0.104 R)
• M16: 13,220,413 km (0.112 R)
• M17: 13,798,160 km (0.082 R)
• M18: 15,983,485 km (0.081 R)
• M19: 16,821,533 km (0.056 R)
• M20: 23,076,070 km (0.106 R)
• M21: 24,458,953 km (0.113 R)
• M22: 25,977,820 km (0.068 R)
• M23: 26,969,055 km (0.093 R)
• M24: 27,728,863 km (0.1 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 333.4

Radius: 10.9

Gravity: 2.81 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 3.99 AU - 6.45 AU

Year: 7953 Days

Day: 6.3 Hours

Environment

Temp: -222 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 32,365,480 km

• M1: 139,126 km (0.065 R)
• M2: 2,213,749 km (0.033 R)
• M3: 5,381,634 km (0.095 R)
• M4: 7,379,364 km (0.115 R)
• M5: 10,494,889 km (0.119 R)
• M6: 13,732,486 km (0.035 R)
• M7: 16,823,627 km (0.116 R)
• M8: 20,564,172 km (0.092 R)
• M9: 22,933,354 km (0.114 R)
• M10: 23,631,228 km (0.084 R)
• M11: 24,263,279 km (0.095 R)
• M12: 25,150,843 km (0.068 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 438 - 11,399 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit