🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.89 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.93

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.71 AU - 1.07 AU

Year: 305 Days

Day: 18.1 Hours

Environment

Temp: 110 °C

Axial Tilt: 10.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.07 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.16

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 0.94 AU - 1.2 AU

Year: 402 Days

Day: 29.9 Hours

Environment

Temp: 17 °C

Axial Tilt: 6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 66,457,479 km

• M1: 220,956 km (0.113 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.92

Radius: 0.97

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 2.41 AU - 2.45 AU

Year: 1377 Days

Day: 34.1 Hours

Environment

Temp: -79 °C

Axial Tilt: 29 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.12

Radius: 1.35

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 2.58 AU - 2.78 AU

Year: 1595 Days

Day: 34.7 Hours

Environment

Temp: -83 °C

Axial Tilt: 0.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.24

Radius: 1.78

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 2.19 AU - 3.51 AU

Year: 1749 Days

Day: 31.3 Hours

Environment

Temp: -92 °C

Axial Tilt: 42.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.17 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.68

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 3.67 AU - 4.67 AU

Year: 3095 Days

Day: 18.4 Hours

Environment

Temp: -126 °C

Axial Tilt: 44.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.67 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 5.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 560

Radius: 10.7

Gravity: 4.89 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 4.32 AU - 6 AU

Year: 4260 Days

Day: 10.5 Hours

Environment

Temp: -136 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 66,457,479 km

• M1: 133,740 km (0.084 R)
• M2: 546,631 km (0.116 R)
• M3: 944,711 km (0.092 R)
• M4: 1,676,992 km (0.093 R)
• M5: 2,196,546 km (0.092 R)
• M6: 3,176,112 km (0.098 R)
• M7: 4,287,026 km (0.059 R)
• M8: 5,212,439 km (0.116 R)
• M9: 7,589,698 km (0.033 R)
• M10: 8,828,070 km (0.063 R)
• M11: 9,752,136 km (0.084 R)
• M12: 15,909,734 km (0.1 R)
• M13: 16,300,483 km (0.114 R)
• M14: 17,511,029 km (0.12 R)
• M15: 19,660,601 km (0.098 R)
• M16: 20,699,558 km (0.079 R)
• M17: 21,232,575 km (0.112 R)
• M18: 24,550,955 km (0.08 R)

Planet 8 - Gas Giant

Semi-Major Axis: 7.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 303.5

Radius: 13.3

Gravity: 1.72 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 6.64 AU - 7.98 AU

Year: 7183 Days

Day: 9 Hours

Environment

Temp: -156 °C

Axial Tilt: 42.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 66,457,479 km

• M1: 165,455 km (0.109 R)
• M2: 778,059 km (0.053 R)
• M3: 1,351,766 km (0.09 R)
• M4: 2,983,580 km (0.08 R)
• M5: 4,961,413 km (0.112 R)
• M6: 6,029,841 km (0.09 R)
• M7: 9,048,876 km (0.11 R)
• M8: 9,697,532 km (0.096 R)
• M9: 10,420,688 km (0.101 R)
• M10: 11,642,903 km (0.081 R)
• M11: 14,101,993 km (0.097 R)
• M12: 14,975,046 km (0.054 R)
• M13: 16,470,277 km (0.109 R)
• M14: 20,988,581 km (0.078 R)
• M15: 21,695,282 km (0.107 R)
• M16: 23,380,651 km (0.079 R)
• M17: 27,011,092 km (0.05 R)
• M18: 27,847,344 km (0.087 R)

Planet 9 - Gas Giant

Semi-Major Axis: 12.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 793.9

Radius: 12.3

Gravity: 5.25 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 9.43 AU - 14.63 AU

Year: 15164 Days

Day: 11.3 Hours

Environment

Temp: -181 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 66,457,479 km

• M1: 153,039 km (0.119 R)
• M2: 644,617 km (0.073 R)
• M3: 1,116,150 km (0.108 R)
• M4: 1,803,702 km (0.103 R)
• M5: 2,492,749 km (0.071 R)
• M6: 3,511,511 km (0.111 R)
• M7: 4,116,485 km (0.089 R)
• M8: 5,686,365 km (0.034 R)
• M9: 6,398,600 km (0.114 R)
• M10: 6,993,102 km (0.083 R)
• M11: 7,811,253 km (0.106 R)
• M12: 9,368,716 km (0.111 R)
• M13: 10,249,399 km (0.062 R)
• M14: 10,651,668 km (0.093 R)
• M15: 13,495,374 km (0.072 R)
• M16: 15,425,934 km (0.116 R)
• M17: 17,290,971 km (0.099 R)
• M18: 30,305,387 km (0.048 R)
• M19: 31,860,607 km (0.086 R)
• M20: 32,596,030 km (0.116 R)
• M21: 33,217,459 km (0.109 R)
• M22: 35,389,919 km (0.087 R)
• M23: 36,178,749 km (0.111 R)
• M24: 38,893,202 km (0.111 R)
• M25: 40,585,454 km (0.105 R)
• M26: 51,112,955 km (0.093 R)
• M27: 55,224,503 km (0.058 R)
• M28: 57,180,495 km (0.105 R)
• M29: 60,854,619 km (0.031 R)

Kuiper Belt

Range: 30.2 - 46.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 438 - 14,030 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit