🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.68

Radius: 1.85

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 0.53 AU - 0.71 AU

Year: 186 Days

Day: 27.4 Hours

Environment

Temp: 186 °C

Axial Tilt: 14.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Gas Giant

Semi-Major Axis: 7.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 432.9

Radius: 10.4

Gravity: 4 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 6.6 AU - 7.9 AU

Year: 7434 Days

Day: 12.3 Hours

Environment

Temp: -172 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 77,043,198 km

• M1: 129,402 km (0.101 R)
• M2: 582,684 km (0.113 R)
• M3: 1,064,688 km (0.093 R)
• M4: 1,959,882 km (0.102 R)
• M5: 2,498,135 km (0.077 R)
• M6: 2,840,265 km (0.078 R)
• M7: 3,710,326 km (0.041 R)
• M8: 4,434,230 km (0.117 R)
• M9: 6,588,739 km (0.103 R)
• M10: 7,248,166 km (0.117 R)
• M11: 9,068,623 km (0.075 R)
• M12: 10,516,730 km (0.117 R)
• M13: 21,666,559 km (0.045 R)
• M14: 27,526,607 km (0.06 R)
• M15: 28,058,128 km (0.091 R)
• M16: 31,199,534 km (0.099 R)
• M17: 32,460,344 km (0.114 R)
• M18: 33,453,076 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 8.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 86.8

Radius: 12.4

Gravity: 0.56 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 7.18 AU - 9.66 AU

Year: 9304 Days

Day: 9.1 Hours

Environment

Temp: -171 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 77,043,198 km

• M1: 211,531 km (0.108 R)
• M2: 633,397 km (0.074 R)
• M3: 1,081,892 km (0.109 R)
• M4: 1,634,806 km (0.079 R)
• M5: 2,244,866 km (0.106 R)
• M6: 3,124,352 km (0.061 R)
• M7: 3,742,939 km (0.036 R)
• M8: 4,555,106 km (0.047 R)
• M9: 6,241,373 km (0.11 R)
• M10: 6,676,703 km (0.045 R)
• M11: 7,415,566 km (0.082 R)
• M12: 8,038,642 km (0.097 R)
• M13: 10,845,247 km (0.033 R)
• M14: 11,562,419 km (0.105 R)
• M15: 12,720,307 km (0.115 R)
• M16: 14,549,440 km (0.076 R)
• M17: 16,602,970 km (0.05 R)
• M18: 17,843,286 km (0.09 R)
• M19: 18,309,283 km (0.116 R)
• M20: 19,756,194 km (0.085 R)
• M21: 20,954,623 km (0.057 R)

Planet 4 - Gas Giant

Semi-Major Axis: 9.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 712.7

Radius: 10.3

Gravity: 6.72 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 8.43 AU - 11.05 AU

Year: 11575 Days

Day: 13.8 Hours

Environment

Temp: -179 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 77,043,198 km

• M1: 128,056 km (0.045 R)
• M2: 530,324 km (0.067 R)
• M3: 983,008 km (0.06 R)
• M4: 1,326,036 km (0.035 R)
• M5: 2,321,609 km (0.09 R)
• M6: 2,900,254 km (0.097 R)
• M7: 3,370,440 km (0.092 R)
• M8: 4,257,855 km (0.102 R)
• M9: 5,464,361 km (0.115 R)
• M10: 6,567,795 km (0.109 R)
• M11: 7,089,742 km (0.107 R)
• M12: 7,813,796 km (0.072 R)
• M13: 8,633,293 km (0.052 R)
• M14: 9,559,454 km (0.09 R)
• M15: 11,211,014 km (0.093 R)
• M16: 11,898,715 km (0.083 R)
• M17: 12,312,653 km (0.12 R)
• M18: 17,222,604 km (0.077 R)
• M19: 24,515,201 km (0.046 R)
• M20: 27,787,056 km (0.107 R)
• M21: 30,123,177 km (0.119 R)
• M22: 32,243,727 km (0.101 R)
• M23: 32,702,394 km (0.077 R)
• M24: 34,105,023 km (0.114 R)
• M25: 36,655,218 km (0.026 R)
• M26: 37,659,469 km (0.109 R)
• M27: 39,591,376 km (0.114 R)
• M28: 42,956,879 km (0.071 R)

Planet 5 - Ice Giant

Semi-Major Axis: 13.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 766.2

Radius: 3.6

Gravity: 59.12 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 12.28 AU - 15.08 AU

Year: 19268 Days

Day: 20.3 Hours

Environment

Temp: -191 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 77,043,198 km

• M1: 44,879 km (0.074 R)
• M2: 177,872 km (0.086 R)
• M3: 337,044 km (0.103 R)
• M4: 471,682 km (0.067 R)
• M5: 598,242 km (0.052 R)
• M6: 788,830 km (0.118 R)
• M7: 921,822 km (0.042 R)
• M8: 1,044,044 km (0.093 R)
• M9: 1,865,037 km (0.071 R)
• M10: 2,165,579 km (0.092 R)
• M11: 3,819,832 km (0.059 R)
• M12: 5,009,733 km (0.065 R)
• M13: 7,014,644 km (0.082 R)
• M14: 8,883,570 km (0.053 R)
• M15: 9,785,496 km (0.102 R)
• M16: 10,685,028 km (0.091 R)
• M17: 11,314,536 km (0.057 R)
• M18: 12,785,681 km (0.119 R)
• M19: 13,136,937 km (0.045 R)
• M20: 15,858,571 km (0.086 R)
• M21: 19,115,167 km (0.071 R)
• M22: 20,610,248 km (0.085 R)
• M23: 22,484,710 km (0.111 R)
• M24: 32,269,308 km (0.091 R)
• M25: 32,658,562 km (0.079 R)
• M26: 32,789,011 km (0.085 R)
• M27: 37,007,820 km (0.116 R)
• M28: 38,733,432 km (0.066 R)
• M29: 43,753,936 km (0.106 R)
• M30: 48,170,814 km (0.069 R)
• M31: 48,679,147 km (0.079 R)
• M32: 68,808,737 km (0.114 R)
• M33: 70,973,269 km (0.114 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: 434 - 11,761 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit