🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.99

Radius: 1.74

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 0.53 AU - 0.57 AU

Year: 268 Days

Day: 16.4 Hours

Environment

Temp: -118 °C

Axial Tilt: 23.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 980.8

Radius: 10.6

Gravity: 8.73 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.61 AU - 0.91 AU

Year: 435 Days

Day: 12.5 Hours

Environment

Temp: -145 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 12,395,567 km

• M1: 131,796 km (0.102 R)
• M2: 641,476 km (0.108 R)
• M3: 980,016 km (0.08 R)
• M4: 1,429,108 km (0.092 R)
• M5: 1,776,624 km (0.055 R)
• M6: 2,565,155 km (0.108 R)
• M7: 3,120,612 km (0.072 R)
• M8: 3,861,719 km (0.103 R)
• M9: 5,466,007 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 227.6

Radius: 9.3

Gravity: 2.63 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.68 AU - 1.12 AU

Year: 560 Days

Day: 11.5 Hours

Environment

Temp: -151 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 12,395,567 km

• M1: 115,639 km (0.045 R)
• M2: 408,103 km (0.09 R)
• M3: 730,337 km (0.108 R)
• M4: 1,140,385 km (0.086 R)
• M5: 1,461,122 km (0.076 R)
• M6: 1,785,151 km (0.095 R)
• M7: 2,173,807 km (0.078 R)
• M8: 3,315,837 km (0.118 R)
• M9: 4,196,220 km (0.045 R)
• M10: 4,691,389 km (0.089 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 155.6

Radius: 10.4

Gravity: 1.44 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 1.21 AU - 1.77 AU

Year: 1193 Days

Day: 7.9 Hours

Environment

Temp: -171 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 12,395,567 km

• M1: 130,300 km (0.107 R)
• M2: 479,012 km (0.119 R)
• M3: 875,148 km (0.096 R)
• M4: 1,351,467 km (0.088 R)
• M5: 2,084,796 km (0.087 R)
• M6: 2,506,064 km (0.114 R)
• M7: 2,983,580 km (0.117 R)
• M8: 3,625,804 km (0.109 R)
• M9: 4,617,637 km (0.111 R)
• M10: 5,583,441 km (0.097 R)
• M11: 6,759,430 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 965

Radius: 13

Gravity: 5.71 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 1.39 AU - 2.01 AU

Year: 1454 Days

Day: 13.1 Hours

Environment

Temp: -176 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 12,395,567 km

• M1: 162,463 km (0.027 R)
• M2: 578,645 km (0.1 R)
• M3: 1,000,361 km (0.056 R)
• M4: 1,687,464 km (0.082 R)
• M5: 2,399,550 km (0.084 R)
• M6: 3,241,786 km (0.113 R)
• M7: 5,202,565 km (0.086 R)
• M8: 6,312,282 km (0.099 R)
• M9: 7,972,071 km (0.083 R)
• M10: 10,007,200 km (0.116 R)
• M11: 10,417,846 km (0.107 R)
• M12: 11,383,201 km (0.067 R)
• M13: 12,485,588 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 872.1

Radius: 13.9

Gravity: 4.51 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 1.76 AU - 2.02 AU

Year: 1705 Days

Day: 9 Hours

Environment

Temp: -185 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 12,395,567 km

• M1: 175,179 km (0.097 R)
• M2: 612,304 km (0.115 R)
• M3: 1,293,872 km (0.075 R)
• M4: 1,876,705 km (0.096 R)
• M5: 2,356,017 km (0.112 R)
• M6: 3,083,212 km (0.108 R)
• M7: 3,671,281 km (0.081 R)
• M8: 5,206,305 km (0.077 R)
• M9: 5,661,531 km (0.028 R)
• M10: 7,441,447 km (0.065 R)
• M11: 8,630,900 km (0.108 R)
• M12: 9,173,341 km (0.094 R)
• M13: 10,256,280 km (0.111 R)
• M14: 12,077,784 km (0.11 R)
• M15: 12,595,243 km (0.101 R)
• M16: 14,369,474 km (0.094 R)
• M17: 15,178,798 km (0.069 R)
• M18: 15,781,977 km (0.097 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 920

Radius: 9.1

Gravity: 11.11 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 2.18 AU - 2.38 AU

Year: 2258 Days

Day: 15 Hours

Environment

Temp: -191 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 12,395,567 km

• M1: 113,246 km (0.09 R)
• M2: 613,800 km (0.065 R)
• M3: 1,437,486 km (0.056 R)
• M4: 1,866,533 km (0.059 R)
• M5: 3,132,729 km (0.111 R)
• M6: 3,937,566 km (0.102 R)
• M7: 4,561,089 km (0.087 R)
• M8: 5,058,951 km (0.103 R)
• M9: 5,345,581 km (0.097 R)
• M10: 7,950,977 km (0.104 R)
• M11: 9,050,073 km (0.078 R)
• M12: 10,247,454 km (0.11 R)
• M13: 11,712,017 km (0.103 R)
• M14: 12,258,199 km (0.032 R)
• M15: 15,149,328 km (0.086 R)
• M16: 17,419,176 km (0.095 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 76.6

Radius: 10.4

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 2.94 AU - 3.66 AU

Year: 3933 Days

Day: 7.1 Hours

Environment

Temp: -203 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 12,395,567 km

• M1: 129,402 km (0.09 R)
• M2: 594,652 km (0.11 R)
• M3: 1,084,285 km (0.045 R)
• M4: 1,718,431 km (0.11 R)
• M5: 2,436,949 km (0.043 R)
• M6: 3,544,871 km (0.074 R)
• M7: 4,861,931 km (0.037 R)
• M8: 5,450,449 km (0.096 R)
• M9: 6,085,641 km (0.054 R)
• M10: 7,985,834 km (0.091 R)
• M11: 9,495,276 km (0.104 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: 418 - 17,610 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit