🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.51 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 583.3

Radius: 8.1

Gravity: 8.89 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 0.95 AU - 1.07 AU

Year: 666 Days

Day: 14.7 Hours

Environment

Temp: -149 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 62,357,606 km

• M1: 100,829 km (0.089 R)
• M2: 416,480 km (0.096 R)
• M3: 690,245 km (0.077 R)
• M4: 1,021,155 km (0.067 R)
• M5: 1,286,093 km (0.094 R)
• M6: 1,994,888 km (0.045 R)
• M7: 2,375,315 km (0.093 R)
• M8: 3,024,420 km (0.112 R)
• M9: 3,662,605 km (0.07 R)
• M10: 5,152,749 km (0.098 R)
• M11: 6,158,047 km (0.107 R)
• M12: 6,513,940 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 354.4

Radius: 15

Gravity: 1.58 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.93 AU - 1.39 AU

Year: 820 Days

Day: 12.6 Hours

Environment

Temp: -156 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 62,357,606 km

• M1: 186,848 km (0.041 R)
• M2: 741,108 km (0.118 R)
• M3: 1,300,454 km (0.078 R)
• M4: 2,111,275 km (0.115 R)
• M5: 2,718,343 km (0.037 R)
• M6: 4,246,036 km (0.09 R)
• M7: 4,990,884 km (0.108 R)
• M8: 5,676,940 km (0.062 R)
• M9: 6,194,249 km (0.044 R)
• M10: 6,662,790 km (0.054 R)
• M11: 7,239,340 km (0.071 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 604.6

Radius: 8.8

Gravity: 7.81 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 1.31 AU - 1.97 AU

Year: 1378 Days

Day: 8.9 Hours

Environment

Temp: -175 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 62,357,606 km

• M1: 109,506 km (0.114 R)
• M2: 409,001 km (0.092 R)
• M3: 715,227 km (0.095 R)
• M4: 1,022,950 km (0.111 R)
• M5: 1,315,863 km (0.041 R)
• M6: 1,693,597 km (0.1 R)
• M7: 1,970,802 km (0.114 R)
• M8: 2,255,637 km (0.118 R)
• M9: 2,827,998 km (0.097 R)
• M10: 3,700,303 km (0.095 R)
• M11: 4,172,584 km (0.104 R)
• M12: 4,590,111 km (0.104 R)
• M13: 5,135,844 km (0.071 R)
• M14: 5,989,600 km (0.112 R)
• M15: 7,135,669 km (0.061 R)
• M16: 8,853,352 km (0.084 R)
• M17: 9,918,638 km (0.101 R)
• M18: 12,011,811 km (0.067 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 515.4

Radius: 14.1

Gravity: 2.59 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 1.84 AU - 1.86 AU

Year: 1651 Days

Day: 10.5 Hours

Environment

Temp: -195 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 62,357,606 km

• M1: 175,478 km (0.084 R)
• M2: 619,634 km (0.057 R)
• M3: 1,233,434 km (0.111 R)
• M4: 1,698,085 km (0.044 R)
• M5: 3,365,802 km (0.094 R)
• M6: 4,335,645 km (0.061 R)
• M7: 5,745,905 km (0.097 R)
• M8: 6,777,532 km (0.083 R)
• M9: 7,338,075 km (0.11 R)
• M10: 8,265,432 km (0.102 R)
• M11: 8,965,999 km (0.094 R)
• M12: 9,548,383 km (0.119 R)
• M13: 10,058,362 km (0.097 R)
• M14: 10,653,912 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 773.6

Radius: 9.6

Gravity: 8.39 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 2.19 AU - 2.39 AU

Year: 2273 Days

Day: 10.4 Hours

Environment

Temp: -187 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 62,357,606 km

• M1: 119,379 km (0.073 R)
• M2: 432,936 km (0.099 R)
• M3: 839,094 km (0.068 R)
• M4: 1,478,326 km (0.119 R)
• M5: 2,012,989 km (0.053 R)
• M6: 2,346,443 km (0.087 R)
• M7: 3,012,153 km (0.098 R)
• M8: 3,522,581 km (0.103 R)
• M9: 4,050,213 km (0.068 R)
• M10: 6,109,278 km (0.118 R)
• M11: 6,428,669 km (0.117 R)
• M12: 7,159,305 km (0.118 R)
• M13: 7,666,292 km (0.092 R)
• M14: 8,487,734 km (0.095 R)
• M15: 9,436,783 km (0.117 R)
• M16: 10,990,806 km (0.028 R)
• M17: 11,544,767 km (0.083 R)
• M18: 13,676,686 km (0.089 R)
• M19: 14,457,737 km (0.032 R)
• M20: 16,823,777 km (0.106 R)
• M21: 17,828,027 km (0.078 R)
• M22: 18,317,362 km (0.118 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 247.4

Radius: 7.1

Gravity: 4.91 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 9.07 AU - 10.61 AU

Year: 20249 Days

Day: 18.9 Hours

Environment

Temp: -238 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 62,357,606 km

• M1: 88,263 km (0.088 R)
• M2: 324,478 km (0.057 R)
• M3: 593,455 km (0.052 R)
• M4: 1,058,106 km (0.093 R)
• M5: 1,590,674 km (0.046 R)
• M6: 2,213,300 km (0.069 R)
• M7: 2,654,465 km (0.11 R)
• M8: 4,100,777 km (0.115 R)
• M9: 8,488,034 km (0.058 R)
• M10: 8,966,896 km (0.116 R)
• M11: 9,213,134 km (0.112 R)
• M12: 11,988,624 km (0.12 R)
• M13: 12,408,545 km (0.031 R)
• M14: 15,276,635 km (0.115 R)
• M15: 17,851,963 km (0.115 R)
• M16: 20,110,292 km (0.088 R)
• M17: 36,755,748 km (0.105 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 266.2

Radius: 7.6

Gravity: 4.61 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 8.77 AU - 13.15 AU

Year: 23803 Days

Day: 19.7 Hours

Environment

Temp: -237 °C

Axial Tilt: 47.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 62,357,606 km

• M1: 95,892 km (0.119 R)
• M2: 428,149 km (0.073 R)
• M3: 671,096 km (0.062 R)
• M4: 2,498,733 km (0.103 R)
• M5: 3,565,216 km (0.066 R)
• M6: 5,044,889 km (0.061 R)
• M7: 5,507,595 km (0.073 R)
• M8: 8,305,225 km (0.111 R)
• M9: 9,001,603 km (0.1 R)
• M10: 10,681,138 km (0.058 R)
• M11: 11,747,023 km (0.111 R)
• M12: 14,296,620 km (0.114 R)
• M13: 14,861,800 km (0.053 R)
• M14: 15,295,485 km (0.102 R)
• M15: 18,737,283 km (0.057 R)
• M16: 20,459,753 km (0.12 R)
• M17: 22,757,875 km (0.08 R)
• M18: 25,222,799 km (0.116 R)
• M19: 25,943,712 km (0.101 R)
• M20: 31,026,449 km (0.109 R)
• M21: 31,379,201 km (0.078 R)
• M22: 32,939,207 km (0.07 R)
• M23: 34,424,415 km (0.053 R)
• M24: 35,438,988 km (0.116 R)
• M25: 51,809,183 km (0.115 R)
• M26: 54,324,672 km (0.116 R)
• M27: 55,008,932 km (0.08 R)
• M28: 58,159,463 km (0.081 R)
• M29: 60,142,982 km (0.111 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 376 - 11,000 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit