🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.84 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 189.6

Radius: 13.8

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 1.44 AU - 1.92 AU

Year: 1503 Days

Day: 13 Hours

Environment

Temp: -190 °C

Axial Tilt: 42.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 65,144,001 km

• M1: 171,589 km (0.056 R)
• M2: 934,687 km (0.071 R)
• M3: 1,482,814 km (0.113 R)
• M4: 2,014,036 km (0.104 R)
• M5: 3,336,781 km (0.035 R)
• M6: 3,913,032 km (0.119 R)
• M7: 5,087,076 km (0.04 R)
• M8: 5,795,422 km (0.066 R)
• M9: 6,505,263 km (0.117 R)
• M10: 7,069,547 km (0.075 R)
• M11: 7,928,837 km (0.086 R)
• M12: 8,371,497 km (0.078 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 553.9

Radius: 8.4

Gravity: 7.85 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 2.18 AU - 3 AU

Year: 2877 Days

Day: 7.4 Hours

Environment

Temp: -206 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 65,144,001 km

• M1: 104,569 km (0.119 R)
• M2: 385,663 km (0.082 R)
• M3: 686,804 km (0.06 R)
• M4: 1,101,040 km (0.081 R)
• M5: 1,498,073 km (0.114 R)
• M6: 1,927,868 km (0.086 R)
• M7: 4,080,132 km (0.089 R)
• M8: 4,563,333 km (0.087 R)
• M9: 5,037,559 km (0.045 R)
• M10: 5,900,439 km (0.099 R)
• M11: 6,353,571 km (0.072 R)
• M12: 7,948,584 km (0.064 R)
• M13: 8,303,579 km (0.101 R)
• M14: 8,873,099 km (0.101 R)
• M15: 9,361,536 km (0.051 R)
• M16: 10,127,477 km (0.115 R)
• M17: 11,414,617 km (0.089 R)
• M18: 12,939,617 km (0.084 R)
• M19: 13,251,230 km (0.041 R)
• M20: 13,796,963 km (0.12 R)
• M21: 14,643,687 km (0.043 R)
• M22: 15,624,600 km (0.034 R)
• M23: 19,346,146 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 375.2

Radius: 9.3

Gravity: 4.34 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 2.16 AU - 3.38 AU

Year: 3182 Days

Day: 5.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 41.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 65,144,001 km

• M1: 116,537 km (0.085 R)
• M2: 497,563 km (0.09 R)
• M3: 1,168,509 km (0.103 R)
• M4: 2,332,081 km (0.029 R)
• M5: 2,640,402 km (0.102 R)
• M6: 3,023,822 km (0.1 R)
• M7: 5,035,315 km (0.101 R)
• M8: 6,082,799 km (0.119 R)
• M9: 8,247,779 km (0.065 R)
• M10: 10,958,942 km (0.096 R)
• M11: 11,750,015 km (0.073 R)
• M12: 12,284,379 km (0.072 R)
• M13: 14,679,291 km (0.087 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 694.7

Radius: 14.2

Gravity: 3.45 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 3.79 AU - 3.97 AU

Year: 5275 Days

Day: 8.4 Hours

Environment

Temp: -212 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 65,144,001 km

• M1: 176,675 km (0.059 R)
• M2: 862,881 km (0.076 R)
• M3: 1,416,393 km (0.094 R)
• M4: 2,593,728 km (0.095 R)
• M5: 3,121,659 km (0.03 R)
• M6: 4,061,283 km (0.101 R)
• M7: 6,027,897 km (0.041 R)
• M8: 6,829,143 km (0.028 R)
• M9: 8,644,513 km (0.029 R)
• M10: 13,261,402 km (0.088 R)
• M11: 14,339,255 km (0.071 R)
• M12: 15,300,721 km (0.088 R)
• M13: 17,039,646 km (0.12 R)
• M14: 20,694,023 km (0.109 R)
• M15: 23,045,103 km (0.081 R)
• M16: 24,681,554 km (0.084 R)
• M17: 31,161,386 km (0.092 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 61.5

Radius: 3.4

Gravity: 5.32 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 5.25 AU - 6.69 AU

Year: 10069 Days

Day: 15.9 Hours

Environment

Temp: -236 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 65,144,001 km

• M1: 42,635 km (0.084 R)
• M2: 250,277 km (0.11 R)
• M3: 470,635 km (0.032 R)
• M4: 1,536,221 km (0.07 R)
• M5: 3,319,128 km (0.106 R)
• M6: 9,904,725 km (0.083 R)
• M7: 16,419,413 km (0.056 R)
• M8: 19,864,952 km (0.117 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 687.8

Radius: 5.9

Gravity: 19.76 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 9.11 AU - 10.35 AU

Year: 20950 Days

Day: 17.6 Hours

Environment

Temp: -232 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 65,144,001 km

• M1: 76,445 km (0.038 R)
• M2: 262,245 km (0.087 R)
• M3: 673,639 km (0.109 R)
• M4: 1,105,379 km (0.071 R)
• M5: 1,300,155 km (0.113 R)
• M6: 1,929,364 km (0.097 R)
• M7: 2,322,956 km (0.061 R)
• M8: 3,325,561 km (0.085 R)
• M9: 3,526,919 km (0.057 R)
• M10: 3,828,808 km (0.087 R)
• M11: 6,143,087 km (0.118 R)
• M12: 7,420,354 km (0.104 R)
• M13: 8,276,951 km (0.12 R)
• M14: 14,613,318 km (0.083 R)
• M15: 16,611,647 km (0.095 R)
• M16: 22,136,296 km (0.098 R)
• M17: 23,687,028 km (0.093 R)
• M18: 24,760,243 km (0.112 R)
• M19: 28,651,433 km (0.09 R)
• M20: 30,994,136 km (0.12 R)
• M21: 36,056,677 km (0.102 R)
• M22: 37,618,928 km (0.115 R)
• M23: 41,336,285 km (0.057 R)
• M24: 45,946,443 km (0.11 R)
• M25: 48,289,893 km (0.061 R)
• M26: 52,131,417 km (0.109 R)
• M27: 52,670,568 km (0.084 R)
• M28: 54,679,368 km (0.119 R)
• M29: 58,268,221 km (0.114 R)
• M30: 60,218,678 km (0.087 R)
• M31: 62,414,027 km (0.102 R)
• M32: 64,455,589 km (0.098 R)
• M33: 74,877,175 km (0.097 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 322.7

Radius: 5.1

Gravity: 12.41 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 9.13 AU - 11.63 AU

Year: 23084 Days

Day: 18 Hours

Environment

Temp: -232 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 65,144,001 km

• M1: 86,767 km (0.117 R)
• M2: 310,565 km (0.114 R)
• M3: 475,422 km (0.091 R)
• M4: 855,251 km (0.071 R)
• M5: 1,220,569 km (0.108 R)
• M6: 3,333,340 km (0.119 R)
• M7: 5,759,817 km (0.096 R)
• M8: 7,720,148 km (0.11 R)
• M9: 8,149,793 km (0.108 R)
• M10: 8,645,710 km (0.111 R)
• M11: 9,427,059 km (0.085 R)
• M12: 11,801,477 km (0.114 R)
• M13: 15,952,219 km (0.076 R)
• M14: 17,526,887 km (0.101 R)
• M15: 19,202,233 km (0.109 R)
• M16: 24,864,213 km (0.12 R)
• M17: 31,185,771 km (0.116 R)
• M18: 38,636,941 km (0.115 R)
• M19: 39,890,123 km (0.09 R)
• M20: 41,602,869 km (0.062 R)
• M21: 49,430,278 km (0.064 R)
• M22: 49,755,803 km (0.111 R)
• M23: 50,411,042 km (0.102 R)
• M24: 57,462,786 km (0.095 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 465 - 12,982 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit