🌌 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: 330.4

Radius: 9.6

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 0.64 AU - 0.86 AU

Year: 441 Days

Day: 6.1 Hours

Environment

Temp: -164 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 72,334,055 km

• M1: 119,529 km (0.102 R)
• M2: 475,123 km (0.082 R)
• M3: 863,180 km (0.104 R)
• M4: 1,385,875 km (0.096 R)
• M5: 1,832,125 km (0.109 R)
• M6: 2,847,147 km (0.117 R)
• M7: 4,675,233 km (0.085 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 251.5

Radius: 9.9

Gravity: 2.57 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 0.86 AU - 1.12 AU

Year: 668 Days

Day: 13.5 Hours

Environment

Temp: -183 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 72,334,055 km

• M1: 123,717 km (0.106 R)
• M2: 466,446 km (0.103 R)
• M3: 789,578 km (0.083 R)
• M4: 1,224,159 km (0.118 R)
• M5: 1,627,326 km (0.076 R)
• M6: 2,300,217 km (0.081 R)
• M7: 2,716,398 km (0.096 R)
• M8: 3,399,612 km (0.041 R)
• M9: 3,839,280 km (0.077 R)
• M10: 4,670,894 km (0.117 R)
• M11: 5,552,325 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 266.8

Radius: 8.2

Gravity: 3.97 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 0.93 AU - 1.23 AU

Year: 761 Days

Day: 8.4 Hours

Environment

Temp: -176 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 72,334,055 km

• M1: 102,026 km (0.105 R)
• M2: 362,625 km (0.119 R)
• M3: 669,450 km (0.101 R)
• M4: 1,065,137 km (0.072 R)
• M5: 1,398,441 km (0.103 R)
• M6: 1,656,048 km (0.044 R)
• M7: 2,072,828 km (0.081 R)
• M8: 2,618,711 km (0.091 R)
• M9: 3,198,253 km (0.098 R)
• M10: 3,550,107 km (0.1 R)
• M11: 3,995,310 km (0.088 R)
• M12: 4,274,310 km (0.106 R)
• M13: 4,747,937 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 309.9

Radius: 10.6

Gravity: 2.76 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 1.25 AU - 1.99 AU

Year: 1399 Days

Day: 13.2 Hours

Environment

Temp: -193 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 72,334,055 km

• M1: 131,945 km (0.088 R)
• M2: 506,239 km (0.09 R)
• M3: 841,189 km (0.12 R)
• M4: 2,080,158 km (0.118 R)
• M5: 2,554,683 km (0.101 R)
• M6: 3,008,563 km (0.106 R)
• M7: 3,783,031 km (0.064 R)
• M8: 4,580,388 km (0.082 R)
• M9: 4,991,632 km (0.058 R)
• M10: 5,806,492 km (0.069 R)
• M11: 6,463,077 km (0.1 R)
• M12: 7,215,704 km (0.063 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 927.8

Radius: 14.4

Gravity: 4.47 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 3.62 AU - 3.74 AU

Year: 4788 Days

Day: 6.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 72,334,055 km

• M1: 179,069 km (0.075 R)
• M2: 695,630 km (0.038 R)
• M3: 1,349,672 km (0.116 R)
• M4: 2,153,461 km (0.064 R)
• M5: 2,817,825 km (0.092 R)
• M6: 3,682,352 km (0.119 R)
• M7: 4,796,856 km (0.086 R)
• M8: 5,908,817 km (0.045 R)
• M9: 6,444,676 km (0.108 R)
• M10: 7,724,187 km (0.072 R)
• M11: 8,444,201 km (0.112 R)
• M12: 9,671,802 km (0.098 R)
• M13: 12,027,669 km (0.061 R)
• M14: 13,742,659 km (0.116 R)
• M15: 14,858,360 km (0.084 R)
• M16: 17,080,935 km (0.099 R)
• M17: 17,911,951 km (0.083 R)
• M18: 22,477,978 km (0.081 R)
• M19: 23,710,814 km (0.12 R)
• M20: 24,264,176 km (0.098 R)
• M21: 24,826,215 km (0.098 R)
• M22: 25,892,848 km (0.096 R)
• M23: 29,913,889 km (0.092 R)
• M24: 31,881,101 km (0.101 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 53.5

Radius: 7.2

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 7.3 AU - 10.28 AU

Year: 17676 Days

Day: 17.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 54.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 72,334,055 km

• M1: 91,853 km (0.073 R)
• M2: 407,505 km (0.091 R)
• M3: 1,602,193 km (0.092 R)
• M4: 3,624,457 km (0.075 R)
• M5: 17,600,638 km (0.045 R)
• M6: 23,724,876 km (0.096 R)
• M7: 29,507,133 km (0.09 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 688.1

Radius: 3.6

Gravity: 53.09 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 8.36 AU - 9.76 AU

Year: 18496 Days

Day: 24.2 Hours

Environment

Temp: -227 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 72,334,055 km

• M1: 154,684 km (0.049 R)
• M2: 308,770 km (0.089 R)
• M3: 502,499 km (0.117 R)
• M4: 704,756 km (0.117 R)
• M5: 912,846 km (0.093 R)
• M6: 1,229,395 km (0.11 R)
• M7: 1,683,275 km (0.116 R)
• M8: 2,347,490 km (0.107 R)
• M9: 2,503,520 km (0.101 R)
• M10: 8,549,518 km (0.07 R)
• M11: 9,521,605 km (0.088 R)
• M12: 12,137,623 km (0.073 R)
• M13: 17,693,539 km (0.1 R)
• M14: 18,995,040 km (0.077 R)
• M15: 22,674,699 km (0.049 R)
• M16: 25,699,867 km (0.117 R)
• M17: 27,706,722 km (0.119 R)
• M18: 27,936,056 km (0.064 R)
• M19: 29,457,018 km (0.115 R)
• M20: 30,786,494 km (0.06 R)
• M21: 33,694,377 km (0.086 R)
• M22: 36,230,360 km (0.034 R)
• M23: 38,462,211 km (0.103 R)
• M24: 41,979,257 km (0.118 R)
• M25: 45,227,475 km (0.06 R)
• M26: 46,346,318 km (0.105 R)
• M27: 47,483,561 km (0.096 R)
• M28: 50,663,712 km (0.108 R)
• M29: 53,804,669 km (0.093 R)
• M30: 53,982,840 km (0.116 R)
• M31: 54,340,529 km (0.1 R)
• M32: 55,241,407 km (0.058 R)
• M33: 60,663,732 km (0.062 R)
• M34: 63,205,549 km (0.072 R)
• M35: 71,040,588 km (0.088 R)
• M36: 71,255,111 km (0.116 R)
• M37: 72,334,011 km (0.222 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 222 - 14,660 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit