🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.92

Radius: 1.89

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 0.63 AU - 0.67 AU

Year: 184 Days

Day: 14.4 Hours

Environment

Temp: 187 °C

Axial Tilt: 39.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 94,553,274 km

• M1: 160,070 km (0.107 R)
• M2: 390,151 km (0.103 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.69 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.5

Radius: 1.83

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.54 AU - 0.84 AU

Year: 201 Days

Day: 23.2 Hours

Environment

Temp: 222 °C

Axial Tilt: 45.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.52 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.03

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 1.34 AU - 1.7 AU

Year: 659 Days

Day: 39.1 Hours

Environment

Temp: 1 °C

Axial Tilt: 10.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 2.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.84

Radius: 1.28

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 2.53 AU - 3.29 AU

Year: 1745 Days

Day: 27.1 Hours

Environment

Temp: -98 °C

Axial Tilt: 29.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 94,553,274 km

• M1: 29,920 km (0.081 R)

Asteroid Belt

Center: 8.21 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Ice Giant

Semi-Major Axis: 13.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 728.3

Radius: 6.9

Gravity: 15.3 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 10.49 AU - 16.51 AU

Year: 17433 Days

Day: 16.5 Hours

Environment

Temp: -186 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 94,553,274 km

• M1: 85,869 km (0.1 R)
• M2: 860,188 km (0.079 R)
• M3: 1,463,516 km (0.09 R)
• M4: 1,847,982 km (0.036 R)
• M5: 2,340,459 km (0.091 R)
• M6: 3,758,796 km (0.091 R)
• M7: 4,447,844 km (0.077 R)
• M8: 5,071,817 km (0.12 R)
• M9: 6,364,941 km (0.085 R)
• M10: 7,340,768 km (0.111 R)
• M11: 17,282,892 km (0.107 R)
• M12: 17,699,522 km (0.057 R)
• M13: 21,183,208 km (0.115 R)
• M14: 22,144,973 km (0.089 R)
• M15: 24,571,450 km (0.081 R)
• M16: 28,304,216 km (0.095 R)
• M17: 43,860,001 km (0.069 R)
• M18: 50,827,971 km (0.111 R)

Planet 6 - Ice Giant

Semi-Major Axis: 15.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 103.9

Radius: 5.9

Gravity: 2.98 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 14.46 AU - 16.64 AU

Year: 21551 Days

Day: 20.3 Hours

Environment

Temp: -178 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 94,553,274 km

• M1: 75,697 km (0.081 R)
• M2: 271,670 km (0.05 R)
• M3: 467,643 km (0.074 R)
• M4: 813,064 km (0.085 R)
• M5: 1,994,439 km (0.081 R)
• M6: 4,271,917 km (0.07 R)
• M7: 6,965,726 km (0.091 R)
• M8: 7,391,481 km (0.111 R)
• M9: 8,209,931 km (0.085 R)
• M10: 9,501,858 km (0.037 R)
• M11: 11,551,648 km (0.1 R)
• M12: 14,243,512 km (0.051 R)
• M13: 22,700,579 km (0.052 R)
• M14: 32,904,351 km (0.108 R)
• M15: 34,987,800 km (0.104 R)
• M16: 36,233,203 km (0.09 R)
• M17: 38,572,913 km (0.043 R)
• M18: 39,294,125 km (0.079 R)

Planet 7 - Ice Giant

Semi-Major Axis: 19.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 572.3

Radius: 6.9

Gravity: 12.02 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 18.62 AU - 20.42 AU

Year: 30311 Days

Day: 20.1 Hours

Environment

Temp: -199 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 94,553,274 km

• M1: 85,869 km (0.075 R)
• M2: 313,108 km (0.093 R)
• M3: 549,922 km (0.116 R)
• M4: 1,176,288 km (0.094 R)
• M5: 1,843,794 km (0.081 R)
• M6: 2,872,878 km (0.09 R)
• M7: 3,328,702 km (0.05 R)
• M8: 3,798,739 km (0.108 R)
• M9: 4,641,872 km (0.101 R)
• M10: 4,909,802 km (0.08 R)
• M11: 5,188,054 km (0.091 R)
• M12: 6,886,588 km (0.101 R)
• M13: 7,235,750 km (0.099 R)
• M14: 12,036,495 km (0.086 R)
• M15: 13,064,532 km (0.076 R)
• M16: 15,043,861 km (0.116 R)
• M17: 16,061,426 km (0.112 R)
• M18: 18,044,944 km (0.09 R)
• M19: 20,186,288 km (0.066 R)
• M20: 29,397,926 km (0.086 R)
• M21: 31,662,090 km (0.045 R)
• M22: 31,935,854 km (0.108 R)
• M23: 32,766,721 km (0.111 R)
• M24: 39,147,519 km (0.082 R)
• M25: 39,780,019 km (0.089 R)
• M26: 60,382,189 km (0.065 R)
• M27: 60,803,456 km (0.11 R)
• M28: 64,024,747 km (0.12 R)
• M29: 68,494,432 km (0.086 R)
• M30: 69,874,921 km (0.093 R)
• M31: 75,826,523 km (0.101 R)
• M32: 76,809,082 km (0.112 R)
• M33: 78,298,778 km (0.041 R)
• M34: 81,079,802 km (0.058 R)
• M35: 88,725,899 km (0.112 R)
• M36: 93,987,555 km (0.092 R)

Kuiper Belt

Range: 31.2 - 58.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 483 - 13,155 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit