🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 555.8

Radius: 9.8

Gravity: 5.79 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 0.72 AU - 0.88 AU

Year: 462 Days

Day: 12.6 Hours

Environment

Temp: -156 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 90,879,988 km

• M1: 121,922 km (0.105 R)
• M2: 458,667 km (0.109 R)
• M3: 768,634 km (0.043 R)
• M4: 1,154,447 km (0.03 R)
• M5: 1,901,389 km (0.064 R)
• M6: 2,277,927 km (0.078 R)
• M7: 2,816,330 km (0.086 R)
• M8: 3,343,512 km (0.088 R)
• M9: 3,768,520 km (0.096 R)
• M10: 4,298,246 km (0.099 R)
• M11: 4,757,063 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 363.8

Radius: 8.9

Gravity: 4.59 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 1.63 AU - 2.71 AU

Year: 2064 Days

Day: 14.9 Hours

Environment

Temp: -197 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 90,879,988 km

• M1: 111,600 km (0.113 R)
• M2: 488,437 km (0.026 R)
• M3: 831,166 km (0.079 R)
• M4: 1,209,798 km (0.113 R)
• M5: 1,741,469 km (0.049 R)
• M6: 2,535,834 km (0.081 R)
• M7: 3,223,086 km (0.061 R)
• M8: 4,282,837 km (0.107 R)
• M9: 4,984,451 km (0.096 R)
• M10: 5,515,374 km (0.067 R)
• M11: 5,943,673 km (0.081 R)
• M12: 6,790,696 km (0.108 R)
• M13: 7,688,433 km (0.057 R)
• M14: 8,873,846 km (0.106 R)
• M15: 11,422,097 km (0.096 R)
• M16: 11,785,320 km (0.098 R)
• M17: 12,420,662 km (0.115 R)
• M18: 13,000,055 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 105.8

Radius: 13.9

Gravity: 0.55 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 1.91 AU - 2.91 AU

Year: 2416 Days

Day: 11.7 Hours

Environment

Temp: -202 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 90,879,988 km

• M1: 173,683 km (0.037 R)
• M2: 677,529 km (0.084 R)
• M3: 1,277,416 km (0.082 R)
• M4: 2,300,815 km (0.108 R)
• M5: 2,778,780 km (0.059 R)
• M6: 4,788,927 km (0.079 R)
• M7: 6,024,456 km (0.06 R)
• M8: 8,872,500 km (0.119 R)
• M9: 9,483,757 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 74.8

Radius: 9.1

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 2.55 AU - 4.09 AU

Year: 3906 Days

Day: 7.1 Hours

Environment

Temp: -210 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 90,879,988 km

• M1: 113,246 km (0.068 R)
• M2: 409,001 km (0.061 R)
• M3: 877,840 km (0.114 R)
• M4: 1,248,095 km (0.036 R)
• M5: 1,808,788 km (0.071 R)
• M6: 2,142,092 km (0.098 R)
• M7: 2,746,168 km (0.103 R)
• M8: 3,189,427 km (0.103 R)
• M9: 3,600,222 km (0.11 R)
• M10: 5,353,809 km (0.083 R)
• M11: 6,899,005 km (0.068 R)
• M12: 7,774,153 km (0.067 R)
• M13: 11,285,813 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 926.2

Radius: 14.9

Gravity: 4.17 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 4.71 AU - 6.85 AU

Year: 8972 Days

Day: 7.3 Hours

Environment

Temp: -211 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 90,879,988 km

• M1: 191,784 km (0.114 R)
• M2: 1,648,718 km (0.088 R)
• M3: 2,534,936 km (0.103 R)
• M4: 3,212,614 km (0.101 R)
• M5: 3,721,696 km (0.057 R)
• M6: 4,455,922 km (0.084 R)
• M7: 8,006,478 km (0.043 R)
• M8: 8,719,761 km (0.086 R)
• M9: 9,621,537 km (0.116 R)
• M10: 10,848,688 km (0.032 R)
• M11: 11,779,486 km (0.117 R)
• M12: 13,062,288 km (0.109 R)
• M13: 17,766,542 km (0.106 R)
• M14: 20,333,642 km (0.113 R)
• M15: 28,069,946 km (0.117 R)
• M16: 32,643,901 km (0.045 R)
• M17: 34,465,704 km (0.105 R)
• M18: 37,324,220 km (0.056 R)
• M19: 39,315,667 km (0.04 R)
• M20: 41,508,173 km (0.073 R)
• M21: 43,781,014 km (0.073 R)
• M22: 47,559,856 km (0.103 R)
• M23: 48,282,713 km (0.112 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 945.6

Radius: 4.6

Gravity: 44.69 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 8.2 AU - 12.96 AU

Year: 22220 Days

Day: 21.9 Hours

Environment

Temp: -232 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 90,879,988 km

• M1: 75,846 km (0.072 R)
• M2: 295,905 km (0.108 R)
• M3: 641,625 km (0.114 R)
• M4: 874,549 km (0.075 R)
• M5: 1,162,226 km (0.088 R)
• M6: 1,510,639 km (0.106 R)
• M7: 1,805,497 km (0.094 R)
• M8: 2,029,594 km (0.054 R)
• M9: 5,569,978 km (0.09 R)
• M10: 6,045,998 km (0.101 R)
• M11: 6,362,697 km (0.093 R)
• M12: 6,834,229 km (0.077 R)
• M13: 7,278,236 km (0.096 R)
• M14: 7,953,221 km (0.085 R)
• M15: 9,790,881 km (0.12 R)
• M16: 11,342,062 km (0.117 R)
• M17: 11,823,617 km (0.043 R)
• M18: 12,827,569 km (0.086 R)
• M19: 13,655,294 km (0.099 R)
• M20: 14,518,025 km (0.112 R)
• M21: 16,264,879 km (0.099 R)
• M22: 20,369,545 km (0.102 R)
• M23: 22,767,150 km (0.04 R)
• M24: 26,168,408 km (0.118 R)
• M25: 27,618,759 km (0.102 R)
• M26: 29,249,376 km (0.04 R)
• M27: 30,810,579 km (0.07 R)
• M28: 39,612,319 km (0.12 R)
• M29: 42,991,735 km (0.064 R)
• M30: 44,328,243 km (0.119 R)
• M31: 46,558,448 km (0.109 R)
• M32: 53,888,295 km (0.067 R)
• M33: 58,839,087 km (0.098 R)
• M34: 59,043,138 km (0.11 R)
• M35: 60,693,053 km (0.091 R)
• M36: 69,177,795 km (0.071 R)
• M37: 70,090,193 km (0.104 R)
• M38: 71,706,299 km (0.057 R)
• M39: 74,773,205 km (0.052 R)
• M40: 77,435,598 km (0.116 R)
• M41: 78,914,074 km (0.077 R)
• M42: 84,756,319 km (0.075 R)
• M43: 89,524,452 km (0.049 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 448 - 15,167 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit