🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 466.2

Radius: 8.7

Gravity: 6.16 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 0.61 AU - 0.89 AU

Year: 426 Days

Day: 7.5 Hours

Environment

Temp: -134 °C

Axial Tilt: 41.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 56,115,374 km

• M1: 108,309 km (0.081 R)
• M2: 388,805 km (0.101 R)
• M3: 726,298 km (0.099 R)
• M4: 1,035,816 km (0.078 R)
• M5: 1,308,233 km (0.054 R)
• M6: 1,609,075 km (0.034 R)
• M7: 2,099,457 km (0.098 R)
• M8: 2,424,981 km (0.07 R)
• M9: 3,458,404 km (0.062 R)
• M10: 4,535,359 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 162.9

Radius: 10.2

Gravity: 1.57 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.8 AU - 1.04 AU

Year: 579 Days

Day: 13.9 Hours

Environment

Temp: -146 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 56,115,374 km

• M1: 126,859 km (0.118 R)
• M2: 477,367 km (0.03 R)
• M3: 880,982 km (0.091 R)
• M4: 1,247,945 km (0.101 R)
• M5: 1,731,446 km (0.085 R)
• M6: 2,279,722 km (0.032 R)
• M7: 2,622,151 km (0.116 R)
• M8: 3,735,459 km (0.088 R)
• M9: 4,215,070 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 970.5

Radius: 12.1

Gravity: 6.63 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 1.15 AU - 1.19 AU

Year: 830 Days

Day: 6.1 Hours

Environment

Temp: -160 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 56,115,374 km

• M1: 150,495 km (0.115 R)
• M2: 605,871 km (0.102 R)
• M3: 1,052,122 km (0.079 R)
• M4: 1,611,169 km (0.112 R)
• M5: 2,487,214 km (0.101 R)
• M6: 3,052,694 km (0.04 R)
• M7: 3,466,781 km (0.099 R)
• M8: 4,705,451 km (0.117 R)
• M9: 5,397,042 km (0.085 R)
• M10: 6,437,944 km (0.076 R)
• M11: 6,983,079 km (0.084 R)
• M12: 7,460,745 km (0.094 R)
• M13: 8,428,494 km (0.077 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 919.9

Radius: 12.4

Gravity: 5.98 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 1.13 AU - 1.55 AU

Year: 1018 Days

Day: 13.4 Hours

Environment

Temp: -174 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 56,115,374 km

• M1: 154,235 km (0.03 R)
• M2: 684,859 km (0.112 R)
• M3: 1,653,954 km (0.106 R)
• M4: 2,697,549 km (0.111 R)
• M5: 3,205,733 km (0.098 R)
• M6: 5,468,251 km (0.069 R)
• M7: 6,130,970 km (0.067 R)
• M8: 7,237,246 km (0.091 R)
• M9: 7,904,003 km (0.053 R)
• M10: 9,067,426 km (0.097 R)
• M11: 9,935,243 km (0.063 R)
• M12: 10,662,289 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 740.4

Radius: 11.1

Gravity: 6.01 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 3.05 AU - 4.01 AU

Year: 4351 Days

Day: 13 Hours

Environment

Temp: -205 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 56,115,374 km

• M1: 138,228 km (0.116 R)
• M2: 556,504 km (0.081 R)
• M3: 1,185,264 km (0.116 R)
• M4: 1,656,048 km (0.051 R)
• M5: 2,176,051 km (0.112 R)
• M6: 2,581,610 km (0.103 R)
• M7: 3,888,348 km (0.066 R)
• M8: 6,178,841 km (0.096 R)
• M9: 6,836,623 km (0.09 R)
• M10: 8,591,555 km (0.114 R)
• M11: 9,451,893 km (0.119 R)
• M12: 12,476,313 km (0.057 R)
• M13: 13,069,917 km (0.074 R)
• M14: 13,682,520 km (0.081 R)
• M15: 14,800,316 km (0.111 R)
• M16: 15,920,505 km (0.091 R)
• M17: 18,967,364 km (0.076 R)
• M18: 20,559,684 km (0.112 R)
• M19: 21,740,311 km (0.073 R)
• M20: 23,334,425 km (0.069 R)
• M21: 24,084,210 km (0.103 R)
• M22: 26,029,132 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 297.8

Radius: 12.9

Gravity: 1.79 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 3.49 AU - 5.29 AU

Year: 6034 Days

Day: 6.4 Hours

Environment

Temp: -204 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 56,115,374 km

• M1: 160,369 km (0.109 R)
• M2: 587,770 km (0.114 R)
• M3: 1,508,395 km (0.109 R)
• M4: 2,152,564 km (0.076 R)
• M5: 3,100,117 km (0.114 R)
• M6: 3,762,835 km (0.1 R)
• M7: 4,331,756 km (0.101 R)
• M8: 4,808,076 km (0.098 R)
• M9: 6,603,699 km (0.082 R)
• M10: 7,010,904 km (0.118 R)
• M11: 8,085,466 km (0.107 R)
• M12: 9,074,906 km (0.103 R)
• M13: 10,020,813 km (0.109 R)
• M14: 11,516,792 km (0.036 R)
• M15: 12,016,449 km (0.071 R)
• M16: 13,010,527 km (0.091 R)
• M17: 14,682,433 km (0.069 R)
• M18: 16,896,032 km (0.115 R)
• M19: 18,082,493 km (0.094 R)
• M20: 23,533,391 km (0.108 R)
• M21: 24,636,825 km (0.116 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 747.8

Radius: 7.3

Gravity: 14.03 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 6.55 AU - 7.43 AU

Year: 12123 Days

Day: 23.1 Hours

Environment

Temp: -234 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 56,115,374 km

• M1: 90,806 km (0.034 R)
• M2: 361,279 km (0.067 R)
• M3: 884,722 km (0.116 R)
• M4: 1,230,742 km (0.066 R)
• M5: 1,633,908 km (0.11 R)
• M6: 2,312,334 km (0.063 R)
• M7: 3,164,893 km (0.092 R)
• M8: 4,734,174 km (0.117 R)
• M9: 5,543,947 km (0.102 R)
• M10: 6,927,129 km (0.073 R)
• M11: 12,192,077 km (0.064 R)
• M12: 12,995,866 km (0.104 R)
• M13: 16,790,416 km (0.117 R)
• M14: 17,321,040 km (0.114 R)
• M15: 17,706,703 km (0.119 R)
• M16: 19,307,251 km (0.073 R)
• M17: 22,793,330 km (0.093 R)
• M18: 28,667,889 km (0.088 R)
• M19: 34,133,896 km (0.113 R)
• M20: 47,070,820 km (0.083 R)
• M21: 49,040,725 km (0.063 R)
• M22: 53,631,884 km (0.114 R)
• M23: 54,451,381 km (0.095 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: 312 - 12,257 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit