🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.28

Radius: 0.6

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 0.88 AU - 1.12 AU

Year: 375 Days

Day: 13.6 Hours

Environment

Temp: 3 °C

Axial Tilt: 13.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 90,754,622 km

• M1: 36,203 km (0.075 R)
• M2: 169,046 km (0.078 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.23 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.16

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 1.22 AU - 1.24 AU

Year: 511 Days

Day: 22.3 Hours

Environment

Temp: -8 °C

Axial Tilt: 15.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.07

Radius: 1.03

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 1.21 AU - 1.67 AU

Year: 648 Days

Day: 42 Hours

Environment

Temp: -31 °C

Axial Tilt: 38 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.39 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.91

Radius: 0.96

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 2.2 AU - 2.58 AU

Year: 1385 Days

Day: 30.7 Hours

Environment

Temp: -83 °C

Axial Tilt: 15.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 90,754,622 km

• M1: 31,864 km (0.032 R)

Asteroid Belt

Center: 4.1 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 5.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 55.7

Radius: 13.8

Gravity: 0.29 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 4.45 AU - 7.15 AU

Year: 5234 Days

Day: 8.1 Hours

Environment

Temp: -143 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 90,754,622 km

• M1: 173,085 km (0.066 R)
• M2: 695,032 km (0.082 R)
• M3: 1,969,306 km (0.081 R)
• M4: 3,004,972 km (0.112 R)
• M5: 3,811,604 km (0.04 R)
• M6: 5,100,539 km (0.102 R)
• M7: 5,811,877 km (0.053 R)
• M8: 6,811,939 km (0.077 R)
• M9: 8,700,612 km (0.12 R)
• M10: 9,153,595 km (0.075 R)
• M11: 12,026,622 km (0.119 R)
• M12: 13,092,058 km (0.115 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 586.1

Radius: 12.1

Gravity: 4 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 7.84 AU - 9.7 AU

Year: 9733 Days

Day: 8.4 Hours

Environment

Temp: -168 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 90,754,622 km

• M1: 191,186 km (0.063 R)
• M2: 651,050 km (0.076 R)
• M3: 2,160,044 km (0.101 R)
• M4: 4,155,230 km (0.072 R)
• M5: 5,390,460 km (0.066 R)
• M6: 7,281,377 km (0.071 R)
• M7: 11,129,184 km (0.077 R)
• M8: 13,426,708 km (0.049 R)
• M9: 16,636,630 km (0.111 R)
• M10: 18,716,040 km (0.111 R)
• M11: 20,169,084 km (0.099 R)
• M12: 21,368,261 km (0.09 R)
• M13: 25,069,462 km (0.04 R)
• M14: 31,023,307 km (0.111 R)
• M15: 31,974,899 km (0.092 R)
• M16: 32,945,789 km (0.112 R)
• M17: 34,047,428 km (0.082 R)
• M18: 35,287,445 km (0.095 R)
• M19: 37,262,586 km (0.085 R)
• M20: 40,050,940 km (0.098 R)

Planet 7 - Ice Giant

Semi-Major Axis: 16.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 731.7

Radius: 3.4

Gravity: 63.3 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 15.51 AU - 17.57 AU

Year: 25208 Days

Day: 15.1 Hours

Environment

Temp: -198 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 90,754,622 km

• M1: 42,336 km (0.097 R)
• M2: 406,906 km (0.09 R)
• M3: 607,367 km (0.073 R)
• M4: 714,928 km (0.115 R)
• M5: 1,189,752 km (0.061 R)
• M6: 1,827,787 km (0.115 R)
• M7: 3,302,223 km (0.038 R)
• M8: 3,545,021 km (0.089 R)
• M9: 3,998,601 km (0.112 R)
• M10: 4,825,878 km (0.075 R)
• M11: 6,479,084 km (0.113 R)
• M12: 7,355,727 km (0.073 R)
• M13: 8,363,718 km (0.116 R)
• M14: 9,045,734 km (0.066 R)
• M15: 10,074,369 km (0.093 R)
• M16: 11,044,512 km (0.051 R)
• M17: 11,245,870 km (0.076 R)
• M18: 11,794,446 km (0.114 R)
• M19: 12,577,740 km (0.066 R)
• M20: 15,382,850 km (0.073 R)
• M21: 16,403,407 km (0.111 R)
• M22: 17,650,006 km (0.102 R)
• M23: 17,833,113 km (0.039 R)
• M24: 18,672,657 km (0.069 R)
• M25: 18,862,796 km (0.094 R)
• M26: 19,150,323 km (0.097 R)
• M27: 21,245,890 km (0.052 R)
• M28: 26,598,801 km (0.118 R)
• M29: 28,314,239 km (0.058 R)
• M30: 30,101,934 km (0.079 R)
• M31: 34,183,413 km (0.09 R)
• M32: 35,041,656 km (0.095 R)
• M33: 40,177,949 km (0.103 R)
• M34: 46,139,574 km (0.112 R)
• M35: 50,058,140 km (0.114 R)
• M36: 50,241,398 km (0.106 R)
• M37: 59,160,872 km (0.06 R)
• M38: 61,860,216 km (0.054 R)
• M39: 62,494,660 km (0.108 R)
• M40: 64,640,492 km (0.066 R)
• M41: 72,772,333 km (0.081 R)
• M42: 82,067,148 km (0.117 R)
• M43: 83,089,350 km (0.119 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 300 - 10,570 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit