🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 742.1

Radius: 12.2

Gravity: 4.99 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 0.86 AU - 1.05 AU

Year: 589 Days

Day: 10.4 Hours

Environment

Temp: -148 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 48,419,035 km

• M1: 151,692 km (0.093 R)
• M2: 744,249 km (0.106 R)
• M3: 1,183,918 km (0.09 R)
• M4: 1,759,869 km (0.092 R)
• M5: 2,174,704 km (0.109 R)
• M6: 2,633,671 km (0.115 R)
• M7: 3,255,549 km (0.114 R)
• M8: 3,655,424 km (0.086 R)
• M9: 4,431,388 km (0.096 R)
• M10: 5,041,149 km (0.108 R)
• M11: 5,525,697 km (0.051 R)
• M12: 6,194,399 km (0.096 R)
• M13: 7,105,450 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 331.3

Radius: 8

Gravity: 5.18 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 1.34 AU - 1.62 AU

Year: 1145 Days

Day: 5.3 Hours

Environment

Temp: -183 °C

Axial Tilt: 44.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 48,419,035 km

• M1: 99,483 km (0.118 R)
• M2: 447,298 km (0.033 R)
• M3: 787,184 km (0.065 R)
• M4: 1,081,742 km (0.111 R)
• M5: 1,511,537 km (0.113 R)
• M6: 2,032,287 km (0.101 R)
• M7: 2,702,336 km (0.119 R)
• M8: 3,056,733 km (0.097 R)
• M9: 3,785,125 km (0.061 R)
• M10: 4,709,341 km (0.111 R)
• M11: 5,335,408 km (0.094 R)
• M12: 6,179,290 km (0.118 R)
• M13: 6,862,952 km (0.028 R)
• M14: 7,763,082 km (0.089 R)
• M15: 8,765,986 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 935.3

Radius: 9.8

Gravity: 9.74 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 1.54 AU - 2.18 AU

Year: 1613 Days

Day: 6.7 Hours

Environment

Temp: -181 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 48,419,035 km

• M1: 121,922 km (0.102 R)
• M2: 565,480 km (0.1 R)
• M3: 926,759 km (0.118 R)
• M4: 1,453,643 km (0.11 R)
• M5: 2,320,263 km (0.107 R)
• M6: 2,897,112 km (0.108 R)
• M7: 4,239,604 km (0.062 R)
• M8: 7,512,805 km (0.105 R)
• M9: 8,186,893 km (0.069 R)
• M10: 8,869,059 km (0.101 R)
• M11: 9,689,604 km (0.086 R)
• M12: 10,849,137 km (0.064 R)
• M13: 11,672,075 km (0.114 R)
• M14: 15,292,044 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 624

Radius: 12.2

Gravity: 4.19 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 2.23 AU - 3.25 AU

Year: 2884 Days

Day: 14.7 Hours

Environment

Temp: -210 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 48,419,035 km

• M1: 155,432 km (0.04 R)
• M2: 647,759 km (0.071 R)
• M3: 1,075,309 km (0.049 R)
• M4: 1,925,624 km (0.082 R)
• M5: 3,339,174 km (0.108 R)
• M6: 4,079,384 km (0.113 R)
• M7: 4,609,410 km (0.12 R)
• M8: 5,379,390 km (0.081 R)
• M9: 5,834,467 km (0.12 R)
• M10: 9,023,295 km (0.059 R)
• M11: 11,578,726 km (0.104 R)
• M12: 11,997,749 km (0.096 R)
• M13: 13,822,993 km (0.093 R)
• M14: 14,631,719 km (0.074 R)
• M15: 15,421,297 km (0.103 R)
• M16: 15,877,869 km (0.116 R)
• M17: 17,465,252 km (0.095 R)
• M18: 17,905,818 km (0.112 R)
• M19: 18,467,109 km (0.097 R)
• M20: 19,448,022 km (0.085 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 640.4

Radius: 10

Gravity: 6.4 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 4.64 AU - 6.8 AU

Year: 8698 Days

Day: 9.3 Hours

Environment

Temp: -229 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 48,419,035 km

• M1: 130,001 km (0.032 R)
• M2: 684,111 km (0.114 R)
• M3: 1,120,488 km (0.093 R)
• M4: 1,888,224 km (0.096 R)
• M5: 3,190,025 km (0.118 R)
• M6: 3,851,547 km (0.09 R)
• M7: 4,688,098 km (0.092 R)
• M8: 5,773,131 km (0.076 R)
• M9: 7,055,634 km (0.092 R)
• M10: 9,837,556 km (0.053 R)
• M11: 11,818,830 km (0.108 R)
• M12: 12,145,702 km (0.11 R)
• M13: 12,817,546 km (0.065 R)
• M14: 14,174,249 km (0.063 R)
• M15: 17,380,131 km (0.101 R)
• M16: 20,254,654 km (0.076 R)
• M17: 25,094,145 km (0.106 R)
• M18: 26,183,667 km (0.044 R)
• M19: 28,456,657 km (0.118 R)
• M20: 32,852,740 km (0.09 R)
• M21: 38,272,222 km (0.097 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 262.5

Radius: 6.3

Gravity: 6.61 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 8.55 AU - 8.91 AU

Year: 16400 Days

Day: 23 Hours

Environment

Temp: -228 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 48,419,035 km

• M1: 78,389 km (0.095 R)
• M2: 280,047 km (0.111 R)
• M3: 870,510 km (0.082 R)
• M4: 1,269,637 km (0.107 R)
• M5: 2,115,613 km (0.116 R)
• M6: 2,668,527 km (0.1 R)
• M7: 3,634,331 km (0.08 R)
• M8: 4,601,930 km (0.053 R)
• M9: 4,845,325 km (0.073 R)
• M10: 6,304,054 km (0.038 R)
• M11: 6,993,700 km (0.078 R)
• M12: 7,860,620 km (0.092 R)
• M13: 9,855,807 km (0.082 R)
• M14: 10,312,529 km (0.08 R)
• M15: 10,836,271 km (0.086 R)
• M16: 11,050,795 km (0.063 R)
• M17: 12,573,252 km (0.074 R)
• M18: 13,476,823 km (0.068 R)
• M19: 16,588,309 km (0.113 R)
• M20: 16,873,293 km (0.089 R)
• M21: 20,228,325 km (0.093 R)
• M22: 23,462,481 km (0.082 R)
• M23: 23,912,172 km (0.102 R)
• M24: 25,014,858 km (0.078 R)
• M25: 25,389,900 km (0.062 R)
• M26: 27,718,989 km (0.117 R)
• M27: 28,221,489 km (0.056 R)
• M28: 29,452,380 km (0.117 R)
• M29: 31,365,138 km (0.046 R)
• M30: 33,927,750 km (0.119 R)
• M31: 34,850,918 km (0.066 R)
• M32: 35,790,692 km (0.116 R)
• M33: 40,101,355 km (0.08 R)
• M34: 44,334,227 km (0.09 R)
• M35: 46,558,149 km (0.095 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 440 - 15,585 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit