🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.04

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 0.6 AU - 0.86 AU

Year: 272 Days

Day: 39.5 Hours

Environment

Temp: -17 °C

Axial Tilt: 38.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.35

Radius: 1.62

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 0.66 AU - 0.8 AU

Year: 272 Days

Day: 25.7 Hours

Environment

Temp: -18 °C

Axial Tilt: 22.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.67

Radius: 1.48

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 0.9 AU - 1.14 AU

Year: 450 Days

Day: 26.9 Hours

Environment

Temp: -53 °C

Axial Tilt: 48.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.92

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 1.33 AU - 1.59 AU

Year: 770 Days

Day: 42.9 Hours

Environment

Temp: -103 °C

Axial Tilt: 19.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.65 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 3.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 212.3

Radius: 10.5

Gravity: 1.93 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 2.95 AU - 4.71 AU

Year: 3272 Days

Day: 12.2 Hours

Environment

Temp: -162 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 53,126,711 km

• M1: 130,599 km (0.104 R)
• M2: 534,812 km (0.111 R)
• M3: 1,115,402 km (0.11 R)
• M4: 1,449,454 km (0.11 R)
• M5: 1,788,143 km (0.083 R)
• M6: 2,265,660 km (0.061 R)
• M7: 3,563,272 km (0.069 R)
• M8: 4,096,738 km (0.106 R)
• M9: 4,581,584 km (0.108 R)
• M10: 5,082,588 km (0.079 R)
• M11: 5,999,024 km (0.071 R)
• M12: 7,406,142 km (0.094 R)
• M13: 9,182,766 km (0.09 R)
• M14: 9,509,937 km (0.084 R)
• M15: 10,397,202 km (0.102 R)
• M16: 11,526,217 km (0.078 R)
• M17: 13,432,842 km (0.049 R)
• M18: 14,417,345 km (0.105 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 600.6

Radius: 8.4

Gravity: 8.51 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 6.82 AU - 6.88 AU

Year: 7827 Days

Day: 5.9 Hours

Environment

Temp: -175 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 53,126,711 km

• M1: 105,167 km (0.032 R)
• M2: 479,910 km (0.117 R)
• M3: 835,803 km (0.067 R)
• M4: 1,307,485 km (0.074 R)
• M5: 1,978,581 km (0.06 R)
• M6: 2,374,268 km (0.113 R)
• M7: 3,437,161 km (0.118 R)
• M8: 3,886,702 km (0.079 R)
• M9: 6,569,441 km (0.047 R)
• M10: 7,075,830 km (0.109 R)
• M11: 7,338,673 km (0.119 R)
• M12: 8,207,538 km (0.029 R)
• M13: 9,320,695 km (0.089 R)
• M14: 9,960,376 km (0.04 R)
• M15: 10,243,265 km (0.103 R)
• M16: 10,677,698 km (0.12 R)
• M17: 11,326,952 km (0.117 R)
• M18: 17,501,156 km (0.072 R)
• M19: 23,466,520 km (0.075 R)
• M20: 24,477,204 km (0.05 R)
• M21: 25,341,431 km (0.12 R)
• M22: 35,241,369 km (0.054 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 678.2

Radius: 12.4

Gravity: 4.41 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 9.01 AU - 9.25 AU

Year: 12043 Days

Day: 9.8 Hours

Environment

Temp: -198 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 53,126,711 km

• M1: 154,235 km (0.093 R)
• M2: 572,810 km (0.11 R)
• M3: 1,428,959 km (0.086 R)
• M4: 2,255,038 km (0.116 R)
• M5: 4,810,619 km (0.118 R)
• M6: 5,681,578 km (0.107 R)
• M7: 6,305,999 km (0.118 R)
• M8: 11,060,967 km (0.066 R)
• M9: 11,743,582 km (0.03 R)
• M10: 12,820,089 km (0.091 R)
• M11: 14,356,309 km (0.113 R)
• M12: 14,758,877 km (0.063 R)
• M13: 15,169,074 km (0.089 R)
• M14: 17,184,457 km (0.107 R)
• M15: 17,791,824 km (0.079 R)
• M16: 19,210,461 km (0.08 R)
• M17: 20,959,559 km (0.089 R)
• M18: 26,239,167 km (0.095 R)
• M19: 33,739,855 km (0.113 R)
• M20: 34,452,838 km (0.117 R)
• M21: 35,908,725 km (0.084 R)
• M22: 37,278,892 km (0.113 R)
• M23: 41,463,144 km (0.08 R)
• M24: 48,461,333 km (0.046 R)

Planet 8 - Ice Giant

Semi-Major Axis: 12.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 246.4

Radius: 6.9

Gravity: 5.18 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 11.11 AU - 14.03 AU

Year: 19456 Days

Day: 20.8 Hours

Environment

Temp: -196 °C

Axial Tilt: 48.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 53,126,711 km

• M1: 87,216 km (0.098 R)
• M2: 529,576 km (0.074 R)
• M3: 1,288,038 km (0.116 R)
• M4: 1,889,870 km (0.047 R)
• M5: 2,226,166 km (0.095 R)
• M6: 2,458,791 km (0.109 R)
• M7: 2,905,340 km (0.117 R)
• M8: 3,583,318 km (0.112 R)
• M9: 4,697,074 km (0.095 R)
• M10: 5,557,561 km (0.061 R)
• M11: 7,204,783 km (0.047 R)
• M12: 7,500,837 km (0.052 R)
• M13: 7,893,382 km (0.117 R)
• M14: 8,719,312 km (0.063 R)
• M15: 8,958,668 km (0.059 R)
• M16: 9,652,354 km (0.113 R)
• M17: 12,544,380 km (0.1 R)
• M18: 15,967,179 km (0.102 R)
• M19: 27,858,415 km (0.079 R)
• M20: 34,295,761 km (0.112 R)
• M21: 34,533,920 km (0.05 R)
• M22: 40,055,877 km (0.116 R)
• M23: 43,860,151 km (0.12 R)
• M24: 44,705,528 km (0.096 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 312 - 10,763 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit