🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 298

Radius: 9.9

Gravity: 3.04 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 0.81 AU - 0.99 AU

Year: 589 Days

Day: 13 Hours

Environment

Temp: -166 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 46,790,798 km

• M1: 123,119 km (0.088 R)
• M2: 593,754 km (0.066 R)
• M3: 965,205 km (0.056 R)
• M4: 1,355,656 km (0.11 R)
• M5: 1,843,943 km (0.1 R)
• M6: 3,023,373 km (0.115 R)
• M7: 3,850,350 km (0.086 R)
• M8: 4,392,792 km (0.099 R)
• M9: 4,970,389 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 521.1

Radius: 9.3

Gravity: 6.02 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 1.14 AU - 1.26 AU

Year: 907 Days

Day: 9.4 Hours

Environment

Temp: -180 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 46,790,798 km

• M1: 115,789 km (0.044 R)
• M2: 434,731 km (0.077 R)
• M3: 998,117 km (0.091 R)
• M4: 1,348,774 km (0.108 R)
• M5: 2,134,163 km (0.03 R)
• M6: 2,433,808 km (0.065 R)
• M7: 2,869,586 km (0.109 R)
• M8: 3,438,657 km (0.103 R)
• M9: 3,913,331 km (0.082 R)
• M10: 4,206,094 km (0.033 R)
• M11: 4,630,652 km (0.095 R)
• M12: 5,376,847 km (0.098 R)
• M13: 5,937,240 km (0.1 R)
• M14: 6,751,950 km (0.087 R)
• M15: 7,289,156 km (0.05 R)
• M16: 8,049,413 km (0.048 R)
• M17: 8,576,596 km (0.069 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 362.2

Radius: 10.7

Gravity: 3.16 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 2.8 AU - 4.14 AU

Year: 4462 Days

Day: 12.6 Hours

Environment

Temp: -210 °C

Axial Tilt: 47.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 46,790,798 km

• M1: 133,142 km (0.104 R)
• M2: 467,942 km (0.1 R)
• M3: 829,670 km (0.108 R)
• M4: 1,272,779 km (0.07 R)
• M5: 1,836,015 km (0.072 R)
• M6: 2,454,153 km (0.084 R)
• M7: 4,299,742 km (0.074 R)
• M8: 4,824,681 km (0.09 R)
• M9: 6,170,314 km (0.116 R)
• M10: 7,114,276 km (0.105 R)
• M11: 7,784,176 km (0.081 R)
• M12: 10,364,589 km (0.119 R)
• M13: 11,609,393 km (0.086 R)
• M14: 13,852,912 km (0.037 R)
• M15: 14,244,859 km (0.071 R)
• M16: 15,257,337 km (0.055 R)
• M17: 15,994,107 km (0.116 R)
• M18: 16,754,513 km (0.105 R)
• M19: 17,652,698 km (0.096 R)
• M20: 18,582,748 km (0.102 R)
• M21: 20,038,635 km (0.103 R)
• M22: 21,114,991 km (0.118 R)
• M23: 21,503,946 km (0.028 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 403.6

Radius: 13.8

Gravity: 2.12 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 3.21 AU - 4.31 AU

Year: 5033 Days

Day: 7.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 46,790,798 km

• M1: 171,589 km (0.107 R)
• M2: 731,982 km (0.098 R)
• M3: 1,199,625 km (0.075 R)
• M4: 1,669,512 km (0.076 R)
• M5: 3,179,104 km (0.052 R)
• M6: 6,791,444 km (0.108 R)
• M7: 7,497,845 km (0.1 R)
• M8: 8,612,499 km (0.084 R)
• M9: 9,095,700 km (0.105 R)
• M10: 9,715,484 km (0.115 R)
• M11: 11,566,010 km (0.098 R)
• M12: 13,101,034 km (0.072 R)
• M13: 14,662,985 km (0.109 R)
• M14: 15,139,005 km (0.088 R)
• M15: 15,789,606 km (0.119 R)
• M16: 16,402,359 km (0.093 R)
• M17: 20,353,090 km (0.111 R)
• M18: 23,649,329 km (0.12 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 681.9

Radius: 4.6

Gravity: 32.23 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 4.74 AU - 6.88 AU

Year: 9667 Days

Day: 15 Hours

Environment

Temp: -218 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 46,790,798 km

• M1: 63,429 km (0.091 R)
• M2: 459,864 km (0.067 R)
• M3: 823,087 km (0.115 R)
• M4: 1,061,247 km (0.113 R)
• M5: 1,422,676 km (0.086 R)
• M6: 3,184,789 km (0.11 R)
• M7: 3,470,371 km (0.05 R)
• M8: 3,619,520 km (0.099 R)
• M9: 5,129,262 km (0.119 R)
• M10: 5,657,043 km (0.108 R)
• M11: 6,329,636 km (0.104 R)
• M12: 8,176,720 km (0.115 R)
• M13: 12,250,869 km (0.106 R)
• M14: 13,189,895 km (0.062 R)
• M15: 13,676,985 km (0.091 R)
• M16: 14,881,847 km (0.106 R)
• M17: 16,155,672 km (0.053 R)
• M18: 19,303,511 km (0.107 R)
• M19: 25,542,789 km (0.111 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: 388 - 10,464 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit