🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 547.9

Radius: 13.7

Gravity: 2.92 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 0.52 AU - 0.54 AU

Year: 266 Days

Day: 13 Hours

Environment

Temp: -145 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 80,733,791 km

• M1: 170,542 km (0.066 R)
• M2: 625,469 km (0.099 R)
• M3: 1,058,106 km (0.106 R)
• M4: 1,791,883 km (0.062 R)
• M5: 2,310,689 km (0.083 R)
• M6: 2,793,890 km (0.099 R)
• M7: 3,225,180 km (0.114 R)
• M8: 3,701,201 km (0.075 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 160.5

Radius: 8.4

Gravity: 2.27 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 0.83 AU - 1.03 AU

Year: 619 Days

Day: 11.6 Hours

Environment

Temp: -174 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 80,733,791 km

• M1: 105,018 km (0.112 R)
• M2: 400,324 km (0.072 R)
• M3: 777,311 km (0.071 R)
• M4: 1,339,948 km (0.053 R)
• M5: 1,621,791 km (0.094 R)
• M6: 2,497,686 km (0.112 R)
• M7: 2,783,418 km (0.07 R)
• M8: 4,166,151 km (0.087 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 341.8

Radius: 12.7

Gravity: 2.12 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 2.5 AU - 3.14 AU

Year: 3269 Days

Day: 14.2 Hours

Environment

Temp: -202 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 80,733,791 km

• M1: 163,062 km (0.094 R)
• M2: 580,739 km (0.115 R)
• M3: 1,078,451 km (0.044 R)
• M4: 1,670,859 km (0.055 R)
• M5: 2,530,149 km (0.066 R)
• M6: 3,182,096 km (0.112 R)
• M7: 3,943,849 km (0.1 R)
• M8: 4,378,730 km (0.109 R)
• M9: 5,252,531 km (0.104 R)
• M10: 5,830,577 km (0.105 R)
• M11: 6,291,638 km (0.091 R)
• M12: 7,884,705 km (0.111 R)
• M13: 8,579,139 km (0.039 R)
• M14: 9,143,272 km (0.081 R)
• M15: 9,626,324 km (0.086 R)
• M16: 10,531,540 km (0.116 R)
• M17: 11,256,791 km (0.092 R)
• M18: 11,852,639 km (0.072 R)
• M19: 13,325,131 km (0.115 R)
• M20: 14,357,207 km (0.113 R)
• M21: 15,105,944 km (0.088 R)
• M22: 15,782,426 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 691.9

Radius: 9.3

Gravity: 8 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 3.77 AU - 4.71 AU

Year: 6026 Days

Day: 12.6 Hours

Environment

Temp: -215 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 80,733,791 km

• M1: 117,285 km (0.119 R)
• M2: 484,847 km (0.115 R)
• M3: 866,321 km (0.075 R)
• M4: 1,378,395 km (0.107 R)
• M5: 1,684,771 km (0.11 R)
• M6: 2,207,317 km (0.071 R)
• M7: 2,577,571 km (0.086 R)
• M8: 2,969,518 km (0.085 R)
• M9: 3,422,650 km (0.029 R)
• M10: 3,803,825 km (0.104 R)
• M11: 5,743,361 km (0.057 R)
• M12: 6,121,246 km (0.103 R)
• M13: 6,583,054 km (0.099 R)
• M14: 7,726,132 km (0.101 R)
• M15: 8,996,517 km (0.079 R)
• M16: 9,420,627 km (0.107 R)
• M17: 11,059,172 km (0.08 R)
• M18: 11,996,702 km (0.036 R)
• M19: 13,364,326 km (0.105 R)
• M20: 15,365,646 km (0.053 R)
• M21: 15,667,086 km (0.117 R)
• M22: 16,406,548 km (0.099 R)
• M23: 22,479,773 km (0.101 R)
• M24: 24,632,337 km (0.107 R)
• M25: 25,045,526 km (0.116 R)
• M26: 25,631,650 km (0.079 R)
• M27: 27,800,371 km (0.101 R)
• M28: 32,203,485 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 127.2

Radius: 9

Gravity: 1.57 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 3.42 AU - 5.7 AU

Year: 6721 Days

Day: 7 Hours

Environment

Temp: -232 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 80,733,791 km

• M1: 112,198 km (0.116 R)
• M2: 686,804 km (0.119 R)
• M3: 983,905 km (0.112 R)
• M4: 1,312,273 km (0.11 R)
• M5: 2,493,049 km (0.078 R)
• M6: 5,608,873 km (0.108 R)
• M7: 6,820,317 km (0.06 R)
• M8: 8,365,363 km (0.073 R)
• M9: 9,864,783 km (0.117 R)
• M10: 10,169,514 km (0.081 R)
• M11: 11,535,641 km (0.072 R)
• M12: 15,276,336 km (0.061 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 251.4

Radius: 7.5

Gravity: 4.47 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 7.11 AU - 8.95 AU

Year: 15707 Days

Day: 18.1 Hours

Environment

Temp: -234 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 80,733,791 km

• M1: 93,648 km (0.093 R)
• M2: 521,797 km (0.106 R)
• M3: 1,471,893 km (0.117 R)
• M4: 1,741,319 km (0.115 R)
• M5: 1,993,541 km (0.08 R)
• M6: 3,077,378 km (0.119 R)
• M7: 7,834,889 km (0.102 R)
• M8: 11,830,948 km (0.088 R)
• M9: 15,362,205 km (0.085 R)
• M10: 19,930,775 km (0.117 R)
• M11: 22,737,231 km (0.104 R)
• M12: 23,083,849 km (0.1 R)
• M13: 29,018,247 km (0.054 R)
• M14: 41,680,061 km (0.094 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 712.3

Radius: 4.1

Gravity: 42.37 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 8.6 AU - 11.16 AU

Year: 21436 Days

Day: 25 Hours

Environment

Temp: -240 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 80,733,791 km

• M1: 52,210 km (0.074 R)
• M2: 921,822 km (0.104 R)
• M3: 2,572,784 km (0.045 R)
• M4: 4,836,948 km (0.072 R)
• M5: 6,288,496 km (0.047 R)
• M6: 7,208,822 km (0.042 R)
• M7: 8,215,616 km (0.119 R)
• M8: 10,503,715 km (0.114 R)
• M9: 10,753,693 km (0.104 R)
• M10: 10,943,683 km (0.042 R)
• M11: 16,705,893 km (0.111 R)
• M12: 17,046,378 km (0.076 R)
• M13: 17,304,734 km (0.119 R)
• M14: 21,201,459 km (0.117 R)
• M15: 21,903,073 km (0.061 R)
• M16: 31,567,095 km (0.086 R)
• M17: 36,030,946 km (0.106 R)
• M18: 44,699,844 km (0.064 R)
• M19: 45,520,538 km (0.093 R)
• M20: 54,846,768 km (0.085 R)
• M21: 62,468,929 km (0.078 R)
• M22: 64,530,986 km (0.108 R)
• M23: 64,739,675 km (0.116 R)
• M24: 69,445,127 km (0.103 R)
• M25: 76,922,627 km (0.098 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 408 - 13,050 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit