🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 43.2

Radius: 12.4

Gravity: 0.28 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 0.66 AU - 0.66 AU

Year: 370 Days

Day: 13.9 Hours

Environment

Temp: -155 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 48,916,974 km

• M1: 154,235 km (0.118 R)
• M2: 620,233 km (0.115 R)
• M3: 1,269,488 km (0.113 R)
• M4: 1,709,156 km (0.079 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 576.8

Radius: 11.9

Gravity: 4.07 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 1.25 AU - 1.55 AU

Year: 1143 Days

Day: 11 Hours

Environment

Temp: -197 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 48,916,974 km

• M1: 148,102 km (0.103 R)
• M2: 602,730 km (0.053 R)
• M3: 1,246,749 km (0.075 R)
• M4: 1,812,977 km (0.03 R)
• M5: 2,220,930 km (0.043 R)
• M6: 2,930,323 km (0.115 R)
• M7: 3,353,236 km (0.096 R)
• M8: 3,879,671 km (0.073 R)
• M9: 4,655,336 km (0.106 R)
• M10: 5,157,087 km (0.117 R)
• M11: 6,605,494 km (0.027 R)
• M12: 7,585,809 km (0.113 R)
• M13: 9,567,831 km (0.087 R)
• M14: 10,443,727 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 395.3

Radius: 14

Gravity: 2.02 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 1.64 AU - 2.12 AU

Year: 1779 Days

Day: 12.3 Hours

Environment

Temp: -197 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 48,916,974 km

• M1: 174,132 km (0.104 R)
• M2: 901,327 km (0.085 R)
• M3: 1,409,810 km (0.102 R)
• M4: 2,178,444 km (0.099 R)
• M5: 3,851,996 km (0.074 R)
• M6: 5,158,135 km (0.061 R)
• M7: 5,947,114 km (0.087 R)
• M8: 6,938,798 km (0.093 R)
• M9: 8,204,246 km (0.072 R)
• M10: 8,658,575 km (0.1 R)
• M11: 10,059,858 km (0.091 R)
• M12: 10,548,146 km (0.067 R)
• M13: 11,784,871 km (0.105 R)
• M14: 12,327,912 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 695.2

Radius: 13.6

Gravity: 3.76 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 2.96 AU - 4.06 AU

Year: 4539 Days

Day: 13.1 Hours

Environment

Temp: -220 °C

Axial Tilt: 49.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 48,916,974 km

• M1: 169,195 km (0.078 R)
• M2: 851,810 km (0.064 R)
• M3: 1,340,547 km (0.034 R)
• M4: 1,925,325 km (0.112 R)
• M5: 2,402,093 km (0.116 R)
• M6: 2,994,351 km (0.112 R)
• M7: 4,355,841 km (0.096 R)
• M8: 4,951,839 km (0.028 R)
• M9: 5,831,026 km (0.084 R)
• M10: 6,811,939 km (0.111 R)
• M11: 9,100,936 km (0.054 R)
• M12: 10,550,091 km (0.099 R)
• M13: 12,437,417 km (0.092 R)
• M14: 13,080,389 km (0.069 R)
• M15: 18,409,813 km (0.073 R)
• M16: 19,245,616 km (0.119 R)
• M17: 21,763,349 km (0.085 R)
• M18: 22,917,347 km (0.043 R)
• M19: 25,425,804 km (0.094 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 203

Radius: 10.2

Gravity: 1.95 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 3.79 AU - 3.93 AU

Year: 5235 Days

Day: 10 Hours

Environment

Temp: -228 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 48,916,974 km

• M1: 126,859 km (0.045 R)
• M2: 460,911 km (0.067 R)
• M3: 861,534 km (0.114 R)
• M4: 1,633,609 km (0.059 R)
• M5: 2,134,911 km (0.104 R)
• M6: 2,690,219 km (0.06 R)
• M7: 3,321,522 km (0.076 R)
• M8: 4,069,361 km (0.097 R)
• M9: 4,516,509 km (0.036 R)
• M10: 5,334,660 km (0.089 R)
• M11: 6,471,604 km (0.103 R)
• M12: 7,636,074 km (0.118 R)
• M13: 8,865,020 km (0.072 R)
• M14: 9,471,939 km (0.085 R)
• M15: 11,090,588 km (0.072 R)
• M16: 12,441,905 km (0.089 R)
• M17: 14,523,859 km (0.081 R)
• M18: 17,044,134 km (0.103 R)
• M19: 19,365,893 km (0.068 R)
• M20: 20,387,796 km (0.087 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 865.4

Radius: 5.5

Gravity: 28.61 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 4.74 AU - 6.94 AU

Year: 9742 Days

Day: 18.7 Hours

Environment

Temp: -237 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 48,916,974 km

• M1: 68,665 km (0.113 R)
• M2: 292,763 km (0.105 R)
• M3: 559,795 km (0.119 R)
• M4: 816,206 km (0.11 R)
• M5: 2,049,491 km (0.039 R)
• M6: 2,665,236 km (0.102 R)
• M7: 2,858,815 km (0.098 R)
• M8: 5,181,322 km (0.113 R)
• M9: 7,301,423 km (0.078 R)
• M10: 8,031,461 km (0.092 R)
• M11: 8,255,110 km (0.101 R)
• M12: 8,808,921 km (0.063 R)
• M13: 9,887,970 km (0.118 R)
• M14: 10,353,968 km (0.039 R)
• M15: 10,672,611 km (0.053 R)
• M16: 11,667,736 km (0.069 R)
• M17: 12,663,161 km (0.042 R)
• M18: 13,399,032 km (0.118 R)
• M19: 14,098,253 km (0.055 R)
• M20: 15,500,284 km (0.108 R)
• M21: 17,139,727 km (0.104 R)
• M22: 17,660,777 km (0.108 R)
• M23: 18,500,769 km (0.076 R)
• M24: 19,128,182 km (0.09 R)
• M25: 23,923,093 km (0.115 R)
• M26: 24,667,642 km (0.098 R)
• M27: 27,294,132 km (0.075 R)
• M28: 34,369,662 km (0.102 R)
• M29: 34,841,194 km (0.109 R)
• M30: 39,795,876 km (0.116 R)
• M31: 44,360,107 km (0.081 R)
• M32: 44,638,957 km (0.029 R)
• M33: 47,056,609 km (0.101 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 407.7

Radius: 6.3

Gravity: 10.27 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 6.59 AU - 7.83 AU

Year: 13363 Days

Day: 21.3 Hours

Environment

Temp: -238 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 48,916,974 km

• M1: 78,389 km (0.06 R)
• M2: 322,533 km (0.058 R)
• M3: 591,360 km (0.083 R)
• M4: 850,613 km (0.107 R)
• M5: 1,604,886 km (0.083 R)
• M6: 1,833,472 km (0.118 R)
• M7: 2,101,401 km (0.097 R)
• M8: 2,512,197 km (0.091 R)
• M9: 2,931,071 km (0.101 R)
• M10: 3,493,858 km (0.101 R)
• M11: 3,722,593 km (0.092 R)
• M12: 4,154,034 km (0.118 R)
• M13: 5,412,301 km (0.069 R)
• M14: 5,754,132 km (0.03 R)
• M15: 6,073,973 km (0.085 R)
• M16: 8,203,947 km (0.109 R)
• M17: 8,518,103 km (0.098 R)
• M18: 10,947,123 km (0.057 R)
• M19: 11,438,552 km (0.078 R)
• M20: 19,312,636 km (0.071 R)
• M21: 25,177,621 km (0.094 R)
• M22: 25,460,660 km (0.108 R)
• M23: 29,440,711 km (0.091 R)
• M24: 29,860,184 km (0.053 R)
• M25: 30,818,508 km (0.049 R)
• M26: 34,508,040 km (0.049 R)
• M27: 37,491,770 km (0.025 R)
• M28: 39,109,072 km (0.106 R)
• M29: 40,902,451 km (0.117 R)
• M30: 48,917,008 km (0.098 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 544 - 17,951 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit