🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.71 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 790.7

Radius: 9.2

Gravity: 9.34 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 1.42 AU - 1.42 AU

Year: 1093 Days

Day: 13.8 Hours

Environment

Temp: -180 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 65,933,327 km

• M1: 114,891 km (0.063 R)
• M2: 546,032 km (0.101 R)
• M3: 951,293 km (0.107 R)
• M4: 1,388,418 km (0.117 R)
• M5: 1,905,877 km (0.105 R)
• M6: 2,451,012 km (0.074 R)
• M7: 3,210,071 km (0.109 R)
• M8: 3,505,677 km (0.082 R)
• M9: 5,830,876 km (0.093 R)
• M10: 6,761,674 km (0.047 R)
• M11: 8,325,570 km (0.06 R)
• M12: 8,973,479 km (0.081 R)
• M13: 9,594,160 km (0.097 R)
• M14: 10,148,570 km (0.087 R)
• M15: 10,659,297 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 254.4

Radius: 14.7

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 1.32 AU - 1.52 AU

Year: 1093 Days

Day: 11.6 Hours

Environment

Temp: -169 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 65,933,327 km

• M1: 182,958 km (0.077 R)
• M2: 678,726 km (0.116 R)
• M3: 1,173,296 km (0.078 R)
• M4: 1,652,608 km (0.108 R)
• M5: 2,633,371 km (0.092 R)
• M6: 3,286,964 km (0.053 R)
• M7: 4,210,133 km (0.083 R)
• M8: 4,906,361 km (0.099 R)
• M9: 7,073,137 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 444.4

Radius: 8.9

Gravity: 5.61 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 1.61 AU - 2.63 AU

Year: 1993 Days

Day: 12 Hours

Environment

Temp: -183 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 65,933,327 km

• M1: 111,002 km (0.06 R)
• M2: 562,488 km (0.096 R)
• M3: 1,023,249 km (0.066 R)
• M4: 1,307,336 km (0.055 R)
• M5: 1,763,310 km (0.09 R)
• M6: 2,166,776 km (0.076 R)
• M7: 2,894,270 km (0.088 R)
• M8: 8,921,568 km (0.071 R)
• M9: 9,233,929 km (0.082 R)
• M10: 9,980,422 km (0.094 R)
• M11: 11,264,720 km (0.107 R)
• M12: 11,630,038 km (0.099 R)
• M13: 12,003,135 km (0.079 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 272

Radius: 9.3

Gravity: 3.14 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 3.26 AU - 3.76 AU

Year: 4246 Days

Day: 13.7 Hours

Environment

Temp: -198 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 65,933,327 km

• M1: 117,584 km (0.05 R)
• M2: 455,526 km (0.085 R)
• M3: 782,397 km (0.075 R)
• M4: 1,540,110 km (0.112 R)
• M5: 1,942,828 km (0.085 R)
• M6: 2,515,638 km (0.051 R)
• M7: 3,283,673 km (0.046 R)
• M8: 3,956,415 km (0.108 R)
• M9: 5,908,368 km (0.095 R)
• M10: 6,201,131 km (0.083 R)
• M11: 6,902,595 km (0.102 R)
• M12: 8,835,998 km (0.085 R)
• M13: 10,709,412 km (0.106 R)
• M14: 11,718,300 km (0.119 R)
• M15: 13,692,095 km (0.1 R)
• M16: 16,445,743 km (0.116 R)
• M17: 18,118,845 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 975.6

Radius: 11.4

Gravity: 7.51 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 4.9 AU - 5.54 AU

Year: 7701 Days

Day: 14.3 Hours

Environment

Temp: -210 °C

Axial Tilt: 45.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 65,933,327 km

• M1: 141,819 km (0.07 R)
• M2: 508,483 km (0.074 R)
• M3: 935,585 km (0.09 R)
• M4: 1,301,352 km (0.109 R)
• M5: 1,870,422 km (0.1 R)
• M6: 2,504,568 km (0.106 R)
• M7: 2,946,480 km (0.067 R)
• M8: 3,808,463 km (0.103 R)
• M9: 4,257,555 km (0.101 R)
• M10: 4,891,252 km (0.05 R)
• M11: 6,239,428 km (0.1 R)
• M12: 7,988,975 km (0.1 R)
• M13: 9,184,112 km (0.068 R)
• M14: 10,494,739 km (0.104 R)
• M15: 12,037,393 km (0.11 R)
• M16: 15,238,787 km (0.091 R)
• M17: 17,425,010 km (0.089 R)
• M18: 17,784,494 km (0.078 R)
• M19: 19,120,104 km (0.107 R)
• M20: 28,075,780 km (0.058 R)
• M21: 29,171,734 km (0.117 R)
• M22: 34,177,728 km (0.101 R)
• M23: 36,237,691 km (0.053 R)
• M24: 37,179,260 km (0.077 R)
• M25: 41,747,380 km (0.102 R)
• M26: 42,521,848 km (0.114 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 336.5

Radius: 4.9

Gravity: 14.01 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 5.7 AU - 8.16 AU

Year: 11779 Days

Day: 16.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 65,933,327 km

• M1: 60,886 km (0.117 R)
• M2: 260,599 km (0.106 R)
• M3: 456,573 km (0.101 R)
• M4: 1,198,279 km (0.087 R)
• M5: 1,377,497 km (0.085 R)
• M6: 1,588,430 km (0.081 R)
• M7: 1,866,981 km (0.111 R)
• M8: 3,386,597 km (0.035 R)
• M9: 3,772,858 km (0.031 R)
• M10: 4,268,925 km (0.119 R)
• M11: 6,296,574 km (0.114 R)
• M12: 6,917,256 km (0.089 R)
• M13: 7,107,395 km (0.109 R)
• M14: 7,985,534 km (0.051 R)
• M15: 8,364,915 km (0.061 R)
• M16: 9,388,762 km (0.108 R)
• M17: 12,616,636 km (0.11 R)
• M18: 14,079,852 km (0.101 R)
• M19: 14,323,996 km (0.094 R)
• M20: 15,073,481 km (0.069 R)
• M21: 15,914,521 km (0.09 R)
• M22: 18,919,044 km (0.032 R)
• M23: 19,668,230 km (0.12 R)
• M24: 20,437,164 km (0.09 R)
• M25: 21,385,913 km (0.074 R)
• M26: 24,059,078 km (0.11 R)
• M27: 24,760,542 km (0.117 R)
• M28: 25,656,484 km (0.117 R)
• M29: 27,040,563 km (0.098 R)
• M30: 28,864,161 km (0.107 R)
• M31: 33,507,081 km (0.075 R)
• M32: 33,942,410 km (0.065 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 334.8

Radius: 6.5

Gravity: 7.92 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 9.55 AU - 12.15 AU

Year: 23076 Days

Day: 15.8 Hours

Environment

Temp: -222 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 65,933,327 km

• M1: 80,783 km (0.093 R)
• M2: 410,048 km (0.045 R)
• M3: 648,208 km (0.091 R)
• M4: 1,097,450 km (0.105 R)
• M5: 2,404,636 km (0.1 R)
• M6: 3,443,593 km (0.114 R)
• M7: 5,316,559 km (0.104 R)
• M8: 5,923,028 km (0.071 R)
• M9: 8,662,913 km (0.068 R)
• M10: 8,971,235 km (0.04 R)
• M11: 11,645,596 km (0.087 R)
• M12: 12,405,104 km (0.115 R)
• M13: 13,674,442 km (0.116 R)
• M14: 16,004,279 km (0.099 R)
• M15: 17,424,711 km (0.075 R)
• M16: 17,999,167 km (0.108 R)
• M17: 21,713,981 km (0.115 R)
• M18: 43,744,661 km (0.079 R)
• M19: 45,881,667 km (0.07 R)
• M20: 52,538,772 km (0.099 R)
• M21: 53,736,154 km (0.045 R)
• M22: 57,798,334 km (0.116 R)
• M23: 58,890,847 km (0.117 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: 523 - 19,246 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit