🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.04 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.78

Radius: 1.51

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 0.8 AU - 1.28 AU

Year: 371 Days

Day: 47.4 Hours

Environment

Temp: 141 °C

Axial Tilt: 23.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.11 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.55

Radius: 1.19

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 1.09 AU - 1.13 AU

Year: 409 Days

Day: 12.4 Hours

Environment

Temp: 46 °C

Axial Tilt: 29.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.6 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.37

Radius: 1.41

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 1.58 AU - 1.62 AU

Year: 708 Days

Day: 25.1 Hours

Environment

Temp: -13 °C

Axial Tilt: 38.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.12

Radius: 0.43

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 1.59 AU - 1.67 AU

Year: 728 Days

Day: 29.3 Hours

Environment

Temp: -33 °C

Axial Tilt: 8.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 93,852,248 km

• M1: 132,245 km (0.085 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.77 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.98

Radius: 1.31

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 3.72 AU - 3.82 AU

Year: 2561 Days

Day: 26 Hours

Environment

Temp: -104 °C

Axial Tilt: 11.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 93,852,248 km

• M1: 78,988 km (0.06 R)
• M2: 2,365,142 km (0.096 R)

Planet 6 - Terrestrial

Semi-Major Axis: 5.43 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.6

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 4.56 AU - 6.3 AU

Year: 4427 Days

Day: 23.3 Hours

Environment

Temp: -141 °C

Axial Tilt: 49.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 7.75 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 10.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 846.7

Radius: 12.9

Gravity: 5.09 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 8.61 AU - 11.51 AU

Year: 11163 Days

Day: 10.1 Hours

Environment

Temp: -171 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 93,852,248 km

• M1: 164,258 km (0.106 R)
• M2: 569,669 km (0.035 R)
• M3: 1,385,127 km (0.068 R)
• M4: 1,869,225 km (0.09 R)
• M5: 2,291,690 km (0.073 R)
• M6: 2,933,614 km (0.094 R)
• M7: 3,613,985 km (0.088 R)
• M8: 4,397,579 km (0.043 R)
• M9: 5,710,001 km (0.098 R)
• M10: 6,302,857 km (0.084 R)
• M11: 7,655,821 km (0.105 R)
• M12: 8,471,129 km (0.111 R)
• M13: 9,095,401 km (0.041 R)
• M14: 9,905,623 km (0.113 R)
• M15: 11,670,130 km (0.103 R)
• M16: 12,142,261 km (0.085 R)
• M17: 13,188,099 km (0.113 R)
• M18: 14,159,887 km (0.043 R)
• M19: 16,173,475 km (0.117 R)
• M20: 16,835,595 km (0.062 R)
• M21: 17,515,517 km (0.066 R)
• M22: 19,092,428 km (0.092 R)
• M23: 23,075,322 km (0.118 R)
• M24: 24,294,245 km (0.106 R)
• M25: 28,632,883 km (0.106 R)
• M26: 35,636,457 km (0.111 R)
• M27: 37,010,364 km (0.118 R)
• M28: 38,809,727 km (0.095 R)
• M29: 43,421,231 km (0.042 R)
• M30: 46,297,998 km (0.103 R)
• M31: 47,933,252 km (0.052 R)
• M32: 55,025,238 km (0.116 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 657.4

Radius: 7.7

Gravity: 11.09 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 15.21 AU - 16.61 AU

Year: 22201 Days

Day: 21.9 Hours

Environment

Temp: -197 °C

Axial Tilt: 46 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 93,852,248 km

• M1: 95,892 km (0.104 R)
• M2: 383,569 km (0.033 R)
• M3: 778,059 km (0.1 R)
• M4: 1,292,226 km (0.073 R)
• M5: 1,574,518 km (0.079 R)
• M6: 1,956,142 km (0.06 R)
• M7: 2,560,218 km (0.051 R)
• M8: 3,630,890 km (0.105 R)
• M9: 4,036,001 km (0.102 R)
• M10: 5,757,274 km (0.054 R)
• M11: 9,843,390 km (0.106 R)
• M12: 15,294,886 km (0.101 R)
• M13: 15,695,659 km (0.119 R)
• M14: 20,576,738 km (0.089 R)
• M15: 27,426,376 km (0.085 R)
• M16: 28,137,265 km (0.048 R)
• M17: 34,821,298 km (0.044 R)
• M18: 35,375,408 km (0.087 R)
• M19: 36,076,424 km (0.107 R)
• M20: 42,965,107 km (0.085 R)
• M21: 53,384,299 km (0.097 R)
• M22: 54,306,271 km (0.079 R)
• M23: 63,497,415 km (0.087 R)
• M24: 70,756,950 km (0.071 R)
• M25: 73,445,673 km (0.118 R)
• M26: 74,815,242 km (0.066 R)
• M27: 75,506,384 km (0.069 R)
• M28: 80,223,055 km (0.052 R)

Planet 9 - Ice Giant

Semi-Major Axis: 19.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 532.3

Radius: 6.1

Gravity: 14.31 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 16.51 AU - 23.31 AU

Year: 31080 Days

Day: 19.1 Hours

Environment

Temp: -196 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 93,852,248 km

• M1: 75,996 km (0.084 R)
• M2: 272,567 km (0.095 R)
• M3: 729,290 km (0.065 R)
• M4: 919,728 km (0.116 R)
• M5: 1,372,261 km (0.075 R)
• M6: 1,594,564 km (0.116 R)
• M7: 2,004,911 km (0.083 R)
• M8: 5,943,523 km (0.025 R)
• M9: 6,259,474 km (0.067 R)
• M10: 8,851,108 km (0.097 R)
• M11: 9,874,357 km (0.095 R)
• M12: 10,253,588 km (0.087 R)
• M13: 15,006,910 km (0.093 R)
• M14: 16,368,700 km (0.119 R)
• M15: 17,996,773 km (0.119 R)
• M16: 19,237,837 km (0.089 R)
• M17: 21,152,690 km (0.108 R)
• M18: 23,190,961 km (0.108 R)
• M19: 26,548,985 km (0.111 R)
• M20: 27,282,014 km (0.088 R)
• M21: 29,954,131 km (0.1 R)
• M22: 31,285,851 km (0.074 R)
• M23: 32,795,743 km (0.119 R)
• M24: 38,695,883 km (0.094 R)
• M25: 39,796,175 km (0.12 R)
• M26: 40,274,140 km (0.093 R)
• M27: 43,558,562 km (0.108 R)
• M28: 44,406,632 km (0.089 R)
• M29: 63,330,463 km (0.117 R)
• M30: 74,777,992 km (0.094 R)
• M31: 75,262,539 km (0.081 R)
• M32: 81,497,330 km (0.09 R)
• M33: 84,608,517 km (0.092 R)
• M34: 92,452,681 km (0.076 R)

Kuiper Belt

Range: 31.4 - 59.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 555 - 18,318 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit