🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 436.8

Radius: 14.5

Gravity: 2.08 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 0.89 AU - 0.95 AU

Year: 609 Days

Day: 10 Hours

Environment

Temp: -164 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 49,820,101 km

• M1: 180,265 km (0.118 R)
• M2: 666,907 km (0.106 R)
• M3: 1,163,123 km (0.085 R)
• M4: 1,638,097 km (0.057 R)
• M5: 2,237,087 km (0.111 R)
• M6: 3,240,439 km (0.074 R)
• M7: 3,992,019 km (0.05 R)
• M8: 4,966,201 km (0.076 R)
• M9: 5,451,496 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 518.5

Radius: 12.7

Gravity: 3.21 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 1.01 AU - 1.11 AU

Year: 753 Days

Day: 8.6 Hours

Environment

Temp: -175 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 49,820,101 km

• M1: 158,275 km (0.092 R)
• M2: 752,328 km (0.11 R)
• M3: 1,200,673 km (0.039 R)
• M4: 1,774,081 km (0.063 R)
• M5: 2,352,576 km (0.111 R)
• M6: 2,890,081 km (0.061 R)
• M7: 3,893,135 km (0.116 R)
• M8: 4,570,365 km (0.114 R)
• M9: 5,594,063 km (0.049 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 350.7

Radius: 11.4

Gravity: 2.7 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 1.07 AU - 1.17 AU

Year: 818 Days

Day: 12.6 Hours

Environment

Temp: -180 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 49,820,101 km

• M1: 141,819 km (0.105 R)
• M2: 681,867 km (0.07 R)
• M3: 1,226,703 km (0.119 R)
• M4: 1,611,767 km (0.097 R)
• M5: 1,973,046 km (0.092 R)
• M6: 2,530,448 km (0.094 R)
• M7: 2,978,045 km (0.032 R)
• M8: 4,341,031 km (0.111 R)
• M9: 5,019,457 km (0.088 R)
• M10: 5,410,656 km (0.074 R)
• M11: 5,970,301 km (0.051 R)
• M12: 6,809,994 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 753.6

Radius: 14.9

Gravity: 3.39 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 3.71 AU - 5.67 AU

Year: 7011 Days

Day: 10.4 Hours

Environment

Temp: -219 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 49,820,101 km

• M1: 185,651 km (0.115 R)
• M2: 967,449 km (0.071 R)
• M3: 1,458,878 km (0.026 R)
• M4: 1,968,558 km (0.05 R)
• M5: 2,654,016 km (0.114 R)
• M6: 3,564,169 km (0.066 R)
• M7: 4,067,865 km (0.114 R)
• M8: 4,619,283 km (0.104 R)
• M9: 5,401,680 km (0.116 R)
• M10: 6,271,292 km (0.049 R)
• M11: 6,793,688 km (0.111 R)
• M12: 7,307,407 km (0.1 R)
• M13: 7,886,650 km (0.062 R)
• M14: 9,403,273 km (0.093 R)
• M15: 9,996,429 km (0.088 R)
• M16: 10,614,268 km (0.096 R)
• M17: 11,460,842 km (0.103 R)
• M18: 12,897,580 km (0.093 R)
• M19: 14,571,281 km (0.054 R)
• M20: 16,062,623 km (0.1 R)
• M21: 17,246,391 km (0.051 R)
• M22: 17,859,742 km (0.087 R)
• M23: 20,384,505 km (0.106 R)
• M24: 21,536,259 km (0.1 R)
• M25: 22,088,425 km (0.093 R)
• M26: 24,819,783 km (0.085 R)
• M27: 36,541,673 km (0.07 R)
• M28: 37,327,960 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 933.5

Radius: 12.9

Gravity: 5.61 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 4.27 AU - 6.33 AU

Year: 8422 Days

Day: 5.7 Hours

Environment

Temp: -227 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 49,820,101 km

• M1: 160,818 km (0.114 R)
• M2: 591,660 km (0.04 R)
• M3: 1,059,452 km (0.104 R)
• M4: 1,766,900 km (0.047 R)
• M5: 2,419,746 km (0.106 R)
• M6: 3,463,640 km (0.1 R)
• M7: 5,033,071 km (0.108 R)
• M8: 6,389,175 km (0.107 R)
• M9: 10,568,342 km (0.055 R)
• M10: 12,027,370 km (0.113 R)
• M11: 15,012,146 km (0.117 R)
• M12: 15,812,495 km (0.057 R)
• M13: 17,065,826 km (0.101 R)
• M14: 19,145,835 km (0.087 R)
• M15: 22,748,151 km (0.108 R)
• M16: 23,625,842 km (0.067 R)
• M17: 44,209,462 km (0.114 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 561.5

Radius: 8

Gravity: 8.77 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 5.33 AU - 7.87 AU

Year: 11704 Days

Day: 19.3 Hours

Environment

Temp: -228 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 49,820,101 km

• M1: 104,270 km (0.094 R)
• M2: 636,240 km (0.117 R)
• M3: 1,078,152 km (0.065 R)
• M4: 1,624,184 km (0.067 R)
• M5: 2,617,963 km (0.037 R)
• M6: 4,813,910 km (0.057 R)
• M7: 5,949,059 km (0.114 R)
• M8: 6,890,927 km (0.053 R)
• M9: 7,543,772 km (0.075 R)
• M10: 7,885,304 km (0.089 R)
• M11: 8,416,975 km (0.102 R)
• M12: 10,785,558 km (0.106 R)
• M13: 11,496,447 km (0.052 R)
• M14: 11,834,987 km (0.069 R)
• M15: 14,721,328 km (0.06 R)
• M16: 15,527,212 km (0.095 R)
• M17: 17,596,001 km (0.101 R)
• M18: 18,045,842 km (0.095 R)
• M19: 18,349,974 km (0.115 R)
• M20: 23,603,851 km (0.085 R)
• M21: 34,098,291 km (0.085 R)
• M22: 37,444,048 km (0.106 R)
• M23: 39,451,053 km (0.082 R)
• M24: 40,221,781 km (0.065 R)
• M25: 43,269,389 km (0.087 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 301 - 11,001 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit