🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.78 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.98

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 0.61 AU - 0.95 AU

Year: 261 Days

Day: 17.4 Hours

Environment

Temp: 138 °C

Axial Tilt: 11.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 92,355,291 km

• M1: 78,838 km (0.117 R)
• M2: 275,559 km (0.049 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.89 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.67

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 0.77 AU - 1.01 AU

Year: 318 Days

Day: 13.8 Hours

Environment

Temp: 31 °C

Axial Tilt: 69.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 92,355,291 km

• M1: 59,839 km (0.045 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.21

Radius: 0.54

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 1.49 AU - 1.83 AU

Year: 810 Days

Day: 37.7 Hours

Environment

Temp: -62 °C

Axial Tilt: 32.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.63

Radius: 1.67

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 1.71 AU - 1.75 AU

Year: 862 Days

Day: 21.9 Hours

Environment

Temp: -57 °C

Axial Tilt: 1.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 92,355,291 km

• M1: 1,083,388 km (0.036 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.42 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.32

Radius: 1.12

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 2.24 AU - 2.6 AU

Year: 1426 Days

Day: 33.9 Hours

Environment

Temp: -104 °C

Axial Tilt: 17.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.49 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.4

Radius: 1.42

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 2.24 AU - 2.74 AU

Year: 1488 Days

Day: 42.3 Hours

Environment

Temp: -97 °C

Axial Tilt: 142.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 92,355,291 km

• M1: 696,677 km (0.079 R)

Asteroid Belt

Center: 7.9 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 13.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 670.8

Radius: 4.6

Gravity: 31.7 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 13.23 AU - 13.37 AU

Year: 18371 Days

Day: 21.1 Hours

Environment

Temp: -188 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 92,355,291 km

• M1: 59,540 km (0.059 R)
• M2: 232,774 km (0.076 R)
• M3: 925,263 km (0.087 R)
• M4: 1,080,845 km (0.104 R)
• M5: 1,983,369 km (0.111 R)
• M6: 3,303,121 km (0.111 R)
• M7: 4,033,907 km (0.105 R)
• M8: 5,305,040 km (0.108 R)
• M9: 6,386,333 km (0.091 R)
• M10: 7,092,136 km (0.068 R)
• M11: 7,276,440 km (0.101 R)
• M12: 10,920,495 km (0.079 R)
• M13: 11,733,410 km (0.04 R)
• M14: 15,009,154 km (0.037 R)
• M15: 17,980,766 km (0.035 R)
• M16: 18,671,161 km (0.115 R)
• M17: 19,111,577 km (0.077 R)
• M18: 23,188,867 km (0.086 R)
• M19: 30,760,015 km (0.078 R)
• M20: 31,250,546 km (0.108 R)
• M21: 33,912,042 km (0.109 R)
• M22: 41,292,752 km (0.078 R)
• M23: 42,948,053 km (0.082 R)
• M24: 49,675,020 km (0.119 R)
• M25: 54,708,540 km (0.104 R)
• M26: 58,934,231 km (0.111 R)
• M27: 67,202,505 km (0.101 R)
• M28: 67,408,202 km (0.081 R)
• M29: 67,614,348 km (0.049 R)
• M30: 71,397,828 km (0.052 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 578.9

Radius: 3.5

Gravity: 47.26 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 14.15 AU - 21.99 AU

Year: 29093 Days

Day: 23.2 Hours

Environment

Temp: -212 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 92,355,291 km

• M1: 43,533 km (0.085 R)
• M2: 265,686 km (0.099 R)
• M3: 394,041 km (0.039 R)
• M4: 628,012 km (0.113 R)
• M5: 1,166,714 km (0.109 R)
• M6: 1,351,766 km (0.118 R)
• M7: 2,225,717 km (0.114 R)
• M8: 2,389,377 km (0.08 R)
• M9: 2,956,353 km (0.09 R)
• M10: 5,270,483 km (0.047 R)
• M11: 5,951,452 km (0.075 R)
• M12: 7,906,995 km (0.119 R)
• M13: 9,445,310 km (0.095 R)
• M14: 16,168,239 km (0.12 R)
• M15: 18,241,665 km (0.119 R)
• M16: 20,082,766 km (0.037 R)
• M17: 21,516,063 km (0.108 R)
• M18: 22,580,602 km (0.081 R)
• M19: 22,906,725 km (0.1 R)
• M20: 25,511,822 km (0.102 R)
• M21: 32,115,372 km (0.116 R)
• M22: 34,931,252 km (0.026 R)
• M23: 36,398,957 km (0.079 R)
• M24: 37,299,088 km (0.095 R)
• M25: 41,209,426 km (0.106 R)
• M26: 42,351,307 km (0.072 R)
• M27: 42,516,164 km (0.095 R)
• M28: 48,019,720 km (0.07 R)
• M29: 51,877,998 km (0.099 R)
• M30: 53,400,606 km (0.076 R)
• M31: 55,542,398 km (0.095 R)
• M32: 56,136,302 km (0.09 R)
• M33: 59,375,544 km (0.075 R)
• M34: 61,251,352 km (0.082 R)
• M35: 61,462,136 km (0.118 R)
• M36: 63,381,327 km (0.108 R)
• M37: 76,227,894 km (0.101 R)
• M38: 77,699,189 km (0.116 R)
• M39: 81,714,995 km (0.116 R)
• M40: 85,603,492 km (0.1 R)
• M41: 89,071,769 km (0.084 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 214 - 19,926 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit