🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.74

Radius: 1.69

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 0.42 AU - 0.6 AU

Year: 239 Days

Day: 30 Hours

Environment

Temp: -125 °C

Axial Tilt: 8.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 19,555,643 km

• M1: 696,228 km (0.032 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 727.4

Radius: 9.9

Gravity: 7.42 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 0.62 AU - 0.9 AU

Year: 435 Days

Day: 10.1 Hours

Environment

Temp: -149 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 19,555,643 km

• M1: 123,269 km (0.066 R)
• M2: 522,396 km (0.095 R)
• M3: 941,419 km (0.112 R)
• M4: 1,290,581 km (0.089 R)
• M5: 1,690,157 km (0.089 R)
• M6: 2,651,622 km (0.112 R)
• M7: 3,143,949 km (0.111 R)
• M8: 3,696,264 km (0.083 R)
• M9: 4,009,373 km (0.077 R)
• M10: 4,541,941 km (0.078 R)
• M11: 5,248,791 km (0.069 R)
• M12: 5,939,335 km (0.076 R)

Asteroid Belt

Center: 1.04 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 320.5

Radius: 12.4

Gravity: 2.08 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 1.15 AU - 1.49 AU

Year: 995 Days

Day: 13.5 Hours

Environment

Temp: -168 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 19,555,643 km

• M1: 154,235 km (0.118 R)
• M2: 674,686 km (0.091 R)
• M3: 1,175,390 km (0.091 R)
• M4: 1,739,075 km (0.072 R)
• M5: 4,106,013 km (0.11 R)
• M6: 4,848,168 km (0.119 R)
• M7: 6,136,953 km (0.065 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 130.4

Radius: 14.5

Gravity: 0.62 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 1.44 AU - 1.82 AU

Year: 1365 Days

Day: 5.5 Hours

Environment

Temp: -175 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 19,555,643 km

• M1: 180,265 km (0.072 R)
• M2: 647,011 km (0.107 R)
• M3: 1,386,174 km (0.107 R)
• M4: 1,871,469 km (0.078 R)
• M5: 2,584,303 km (0.081 R)
• M6: 3,046,411 km (0.083 R)
• M7: 3,790,212 km (0.113 R)
• M8: 4,436,774 km (0.11 R)
• M9: 4,908,157 km (0.05 R)
• M10: 5,696,537 km (0.093 R)
• M11: 6,216,839 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 797.7

Radius: 14.6

Gravity: 3.74 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 1.66 AU - 1.94 AU

Year: 1584 Days

Day: 5.5 Hours

Environment

Temp: -180 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 19,555,643 km

• M1: 182,360 km (0.061 R)
• M2: 724,951 km (0.106 R)
• M3: 1,293,124 km (0.097 R)
• M4: 1,794,426 km (0.102 R)
• M5: 3,086,204 km (0.089 R)
• M6: 3,690,879 km (0.027 R)
• M7: 4,930,746 km (0.094 R)
• M8: 5,579,552 km (0.076 R)
• M9: 6,260,372 km (0.077 R)
• M10: 6,996,094 km (0.105 R)
• M11: 7,564,566 km (0.085 R)
• M12: 8,251,819 km (0.115 R)
• M13: 9,360,638 km (0.106 R)
• M14: 9,917,740 km (0.114 R)
• M15: 10,496,983 km (0.117 R)
• M16: 11,171,071 km (0.099 R)
• M17: 13,491,334 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 445.3

Radius: 11.2

Gravity: 3.55 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 1.87 AU - 2.15 AU

Year: 1869 Days

Day: 9.8 Hours

Environment

Temp: -183 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 19,555,643 km

• M1: 140,772 km (0.114 R)
• M2: 502,050 km (0.076 R)
• M3: 888,312 km (0.098 R)
• M4: 1,268,291 km (0.109 R)
• M5: 1,625,231 km (0.088 R)
• M6: 2,017,626 km (0.097 R)
• M7: 2,760,829 km (0.118 R)
• M8: 3,514,952 km (0.117 R)
• M9: 4,290,018 km (0.08 R)
• M10: 4,708,593 km (0.073 R)
• M11: 5,409,309 km (0.075 R)
• M12: 6,014,283 km (0.052 R)
• M13: 7,766,523 km (0.113 R)
• M14: 10,670,367 km (0.12 R)
• M15: 11,442,292 km (0.083 R)
• M16: 12,288,717 km (0.065 R)
• M17: 13,255,568 km (0.05 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 543.1

Radius: 14.8

Gravity: 2.48 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 2.33 AU - 3.09 AU

Year: 2927 Days

Day: 11.2 Hours

Environment

Temp: -207 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 19,555,643 km

• M1: 184,005 km (0.108 R)
• M2: 651,648 km (0.071 R)
• M3: 1,433,148 km (0.088 R)
• M4: 1,902,586 km (0.057 R)
• M5: 2,591,035 km (0.037 R)
• M6: 3,809,360 km (0.033 R)
• M7: 5,074,210 km (0.051 R)
• M8: 5,829,530 km (0.097 R)
• M9: 7,058,925 km (0.105 R)
• M10: 7,627,397 km (0.083 R)
• M11: 8,487,884 km (0.115 R)
• M12: 9,236,173 km (0.092 R)
• M13: 10,517,030 km (0.101 R)
• M14: 11,583,812 km (0.108 R)
• M15: 12,419,765 km (0.088 R)
• M16: 14,258,921 km (0.088 R)
• M17: 15,367,142 km (0.095 R)
• M18: 16,480,001 km (0.07 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 174 - 13,886 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit