🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.17 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.35

Radius: 0.66

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 1.08 AU - 1.26 AU

Year: 474 Days

Day: 38.3 Hours

Environment

Temp: 12 °C

Axial Tilt: 12.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.86

Radius: 1.28

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 1.07 AU - 1.59 AU

Year: 575 Days

Day: 43.2 Hours

Environment

Temp: -26 °C

Axial Tilt: 31.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 48,706,480 km

• M1: 177,722 km (0.036 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.04

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 1.33 AU - 1.77 AU

Year: 723 Days

Day: 27.3 Hours

Environment

Temp: -46 °C

Axial Tilt: 23.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Terrestrial

Semi-Major Axis: 2.99 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.52

Radius: 1.45

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 2.9 AU - 3.08 AU

Year: 1937 Days

Day: 38 Hours

Environment

Temp: -115 °C

Axial Tilt: 10.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 48,706,480 km

• M1: 633,248 km (0.059 R)

Planet 5 - Terrestrial

Semi-Major Axis: 4.25 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.76

Radius: 0.9

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 3.52 AU - 4.98 AU

Year: 3283 Days

Day: 44 Hours

Environment

Temp: -127 °C

Axial Tilt: 32.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 48,706,480 km

• M1: 1,721,722 km (0.111 R)
• M2: 1,903,783 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 953

Radius: 14.1

Gravity: 4.79 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 4.53 AU - 5.27 AU

Year: 4065 Days

Day: 7.7 Hours

Environment

Temp: -150 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 48,706,480 km

• M1: 175,777 km (0.109 R)
• M2: 706,252 km (0.083 R)
• M3: 1,282,503 km (0.11 R)
• M4: 1,933,403 km (0.118 R)
• M5: 2,495,891 km (0.12 R)
• M6: 3,362,960 km (0.113 R)
• M7: 3,911,984 km (0.12 R)
• M8: 4,374,691 km (0.044 R)
• M9: 6,108,829 km (0.103 R)
• M10: 7,648,490 km (0.08 R)
• M11: 8,264,834 km (0.117 R)
• M12: 8,914,238 km (0.073 R)
• M13: 10,143,484 km (0.065 R)
• M14: 10,621,449 km (0.116 R)
• M15: 11,436,308 km (0.073 R)
• M16: 12,587,165 km (0.054 R)
• M17: 18,610,274 km (0.071 R)
• M18: 20,065,114 km (0.053 R)
• M19: 23,955,855 km (0.092 R)
• M20: 26,895,453 km (0.081 R)
• M21: 28,839,627 km (0.047 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 307.1

Radius: 12.8

Gravity: 1.87 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 5.16 AU - 5.74 AU

Year: 4768 Days

Day: 10.3 Hours

Environment

Temp: -155 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 48,706,480 km

• M1: 182,061 km (0.072 R)
• M2: 621,579 km (0.066 R)
• M3: 1,096,104 km (0.028 R)
• M4: 2,695,305 km (0.12 R)
• M5: 3,525,274 km (0.04 R)
• M6: 3,980,201 km (0.069 R)
• M7: 5,638,793 km (0.12 R)
• M8: 7,335,831 km (0.074 R)
• M9: 8,491,175 km (0.061 R)
• M10: 10,587,341 km (0.077 R)
• M11: 13,619,540 km (0.034 R)
• M12: 14,299,013 km (0.078 R)
• M13: 17,925,266 km (0.067 R)
• M14: 20,700,306 km (0.095 R)
• M15: 21,925,962 km (0.112 R)

Planet 8 - Gas Giant

Semi-Major Axis: 7.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 552.4

Radius: 13.5

Gravity: 3.03 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 6.6 AU - 7.96 AU

Year: 7361 Days

Day: 12.3 Hours

Environment

Temp: -157 °C

Axial Tilt: 46.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 48,706,480 km

• M1: 168,148 km (0.076 R)
• M2: 754,123 km (0.118 R)
• M3: 1,184,965 km (0.119 R)
• M4: 2,315,476 km (0.114 R)
• M5: 4,858,340 km (0.106 R)
• M6: 5,317,456 km (0.078 R)
• M7: 5,743,062 km (0.105 R)
• M8: 6,224,319 km (0.047 R)
• M9: 6,837,520 km (0.109 R)
• M10: 8,838,242 km (0.089 R)
• M11: 12,479,903 km (0.032 R)
• M12: 14,838,762 km (0.087 R)
• M13: 16,503,936 km (0.101 R)
• M14: 17,815,461 km (0.092 R)
• M15: 19,551,245 km (0.109 R)
• M16: 24,173,370 km (0.072 R)
• M17: 26,560,952 km (0.111 R)
• M18: 31,999,583 km (0.053 R)
• M19: 34,767,443 km (0.074 R)

Planet 9 - Ice Giant

Semi-Major Axis: 12.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 294.7

Radius: 4.4

Gravity: 15.22 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 11.11 AU - 12.93 AU

Year: 15617 Days

Day: 23.9 Hours

Environment

Temp: -178 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 48,706,480 km

• M1: 54,753 km (0.118 R)
• M2: 421,118 km (0.101 R)
• M3: 565,779 km (0.109 R)
• M4: 814,860 km (0.034 R)
• M5: 1,111,363 km (0.106 R)
• M6: 1,329,327 km (0.087 R)
• M7: 1,694,196 km (0.078 R)
• M8: 2,000,872 km (0.093 R)
• M9: 2,599,861 km (0.097 R)
• M10: 3,053,143 km (0.086 R)
• M11: 3,359,071 km (0.048 R)
• M12: 4,698,271 km (0.039 R)
• M13: 5,009,733 km (0.101 R)
• M14: 6,246,309 km (0.11 R)
• M15: 6,777,831 km (0.103 R)
• M16: 7,216,152 km (0.101 R)
• M17: 9,255,770 km (0.074 R)
• M18: 13,915,145 km (0.118 R)
• M19: 14,297,816 km (0.077 R)
• M20: 14,556,770 km (0.09 R)
• M21: 16,176,616 km (0.111 R)
• M22: 16,885,710 km (0.089 R)
• M23: 20,415,921 km (0.093 R)
• M24: 28,175,861 km (0.082 R)
• M25: 35,996,838 km (0.085 R)
• M26: 40,206,672 km (0.083 R)
• M27: 41,899,372 km (0.12 R)
• M28: 46,408,401 km (0.077 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 192 - 16,760 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit