🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.12

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 0.64 AU - 0.8 AU

Year: 230 Days

Day: 35.6 Hours

Environment

Temp: 116 °C

Axial Tilt: 15.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.76 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.51

Radius: 1.83

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 0.68 AU - 0.84 AU

Year: 250 Days

Day: 41 Hours

Environment

Temp: 108 °C

Axial Tilt: 22.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Asteroid Belt

Center: 1.12 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Terrestrial

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.56

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 1.36 AU - 1.6 AU

Year: 678 Days

Day: 38.4 Hours

Environment

Temp: -53 °C

Axial Tilt: 5.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 81,541,368 km

• M1: 42,785 km (0.112 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.71

Radius: 1.24

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 2.1 AU - 2.54 AU

Year: 1331 Days

Day: 39.3 Hours

Environment

Temp: -85 °C

Axial Tilt: 36 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 7.7 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Ice Giant

Semi-Major Axis: 13.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 60.9

Radius: 7.1

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 10.12 AU - 16.02 AU

Year: 17801 Days

Day: 23.7 Hours

Environment

Temp: -185 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 81,541,368 km

• M1: 91,703 km (0.11 R)
• M2: 711,936 km (0.118 R)
• M3: 1,319,902 km (0.062 R)
• M4: 1,688,362 km (0.091 R)
• M5: 2,063,703 km (0.094 R)
• M6: 2,757,388 km (0.103 R)
• M7: 3,001,083 km (0.102 R)
• M8: 8,535,456 km (0.095 R)
• M9: 10,743,969 km (0.103 R)
• M10: 11,493,604 km (0.118 R)
• M11: 13,413,244 km (0.068 R)
• M12: 19,604,053 km (0.116 R)
• M13: 20,508,970 km (0.108 R)
• M14: 21,368,709 km (0.069 R)
• M15: 24,328,803 km (0.106 R)
• M16: 26,783,853 km (0.095 R)
• M17: 31,047,692 km (0.118 R)

Planet 6 - Ice Giant

Semi-Major Axis: 14.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 400.4

Radius: 7.6

Gravity: 6.93 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 12.21 AU - 17.17 AU

Year: 21211 Days

Day: 24.2 Hours

Environment

Temp: -187 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 81,541,368 km

• M1: 94,546 km (0.108 R)
• M2: 467,045 km (0.093 R)
• M3: 788,381 km (0.096 R)
• M4: 1,190,051 km (0.093 R)
• M5: 1,672,654 km (0.073 R)
• M6: 1,932,356 km (0.085 R)
• M7: 2,556,179 km (0.108 R)
• M8: 13,321,242 km (0.045 R)
• M9: 23,244,667 km (0.114 R)
• M10: 35,596,963 km (0.11 R)
• M11: 40,097,914 km (0.098 R)
• M12: 52,723,526 km (0.096 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 458.7

Radius: 3.5

Gravity: 37.44 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 12.11 AU - 17.49 AU

Year: 21450 Days

Day: 17.9 Hours

Environment

Temp: -189 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 81,541,368 km

• M1: 43,533 km (0.101 R)
• M2: 155,133 km (0.115 R)
• M3: 274,063 km (0.066 R)
• M4: 635,342 km (0.058 R)
• M5: 1,726,060 km (0.119 R)
• M6: 2,242,921 km (0.111 R)
• M7: 3,188,379 km (0.115 R)
• M8: 5,900,589 km (0.088 R)
• M9: 6,310,936 km (0.116 R)
• M10: 8,193,924 km (0.09 R)
• M11: 10,538,721 km (0.073 R)
• M12: 12,088,854 km (0.118 R)
• M13: 13,294,763 km (0.084 R)
• M14: 13,784,696 km (0.064 R)
• M15: 13,998,322 km (0.116 R)
• M16: 14,578,612 km (0.104 R)
• M17: 17,142,719 km (0.107 R)
• M18: 17,555,759 km (0.066 R)
• M19: 17,722,860 km (0.117 R)
• M20: 25,308,669 km (0.115 R)
• M21: 25,736,369 km (0.069 R)
• M22: 27,833,432 km (0.087 R)
• M23: 28,060,671 km (0.102 R)
• M24: 30,041,796 km (0.114 R)
• M25: 33,121,417 km (0.098 R)
• M26: 34,803,047 km (0.111 R)
• M27: 37,361,919 km (0.08 R)
• M28: 39,899,098 km (0.108 R)
• M29: 51,708,953 km (0.094 R)
• M30: 55,031,821 km (0.072 R)
• M31: 57,019,228 km (0.077 R)
• M32: 58,123,111 km (0.089 R)
• M33: 60,944,976 km (0.102 R)
• M34: 61,136,311 km (0.071 R)
• M35: 65,246,962 km (0.1 R)
• M36: 66,860,225 km (0.088 R)
• M37: 69,329,637 km (0.097 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 671.3

Radius: 3.8

Gravity: 46.49 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 12.01 AU - 18.47 AU

Year: 22413 Days

Day: 21.7 Hours

Environment

Temp: -205 °C

Axial Tilt: 50 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 81,541,368 km

• M1: 47,423 km (0.113 R)
• M2: 295,755 km (0.075 R)
• M3: 1,091,466 km (0.109 R)
• M4: 1,430,604 km (0.082 R)
• M5: 1,563,896 km (0.088 R)
• M6: 1,705,416 km (0.04 R)
• M7: 2,034,830 km (0.105 R)
• M8: 3,166,239 km (0.071 R)
• M9: 5,341,542 km (0.094 R)
• M10: 5,582,095 km (0.118 R)
• M11: 5,746,503 km (0.096 R)
• M12: 7,774,452 km (0.106 R)
• M13: 8,083,521 km (0.099 R)
• M14: 9,287,036 km (0.116 R)
• M15: 10,112,218 km (0.065 R)
• M16: 10,857,514 km (0.074 R)
• M17: 11,308,851 km (0.12 R)
• M18: 12,456,566 km (0.114 R)
• M19: 14,206,113 km (0.102 R)
• M20: 16,699,461 km (0.104 R)
• M21: 17,387,312 km (0.102 R)
• M22: 39,469,005 km (0.047 R)
• M23: 40,227,017 km (0.112 R)
• M24: 40,840,518 km (0.047 R)
• M25: 44,163,535 km (0.082 R)
• M26: 46,308,470 km (0.093 R)
• M27: 52,608,784 km (0.091 R)
• M28: 61,054,781 km (0.094 R)
• M29: 63,712,836 km (0.098 R)
• M30: 69,918,305 km (0.119 R)
• M31: 80,567,280 km (0.095 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 328 - 12,288 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit