🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.05

Radius: 1.02

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.58 AU - 0.92 AU

Year: 228 Days

Day: 29.5 Hours

Environment

Temp: 141 °C

Axial Tilt: 49.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.45

Radius: 0.73

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.95 AU - 1.55 AU

Year: 491 Days

Day: 14.3 Hours

Environment

Temp: 18 °C

Axial Tilt: 61.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.39 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.23

Radius: 1.6

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 1.16 AU - 1.62 AU

Year: 576 Days

Day: 38.6 Hours

Environment

Temp: 13 °C

Axial Tilt: 18.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 48,306,365 km

• M1: 217,216 km (0.073 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.52 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.41

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 1.17 AU - 1.87 AU

Year: 659 Days

Day: 27.5 Hours

Environment

Temp: -21 °C

Axial Tilt: 102.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 48,306,365 km

• M1: 98,136 km (0.093 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.97 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.79

Radius: 0.91

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 2.87 AU - 3.07 AU

Year: 1799 Days

Day: 24.6 Hours

Environment

Temp: -98 °C

Axial Tilt: 0.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 243.6

Radius: 15

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 5.08 AU - 6.54 AU

Year: 4922 Days

Day: 7 Hours

Environment

Temp: -137 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 48,306,365 km

• M1: 241,750 km (0.069 R)
• M2: 854,952 km (0.116 R)
• M3: 1,653,954 km (0.062 R)
• M4: 2,521,771 km (0.1 R)
• M5: 3,602,018 km (0.092 R)
• M6: 4,387,556 km (0.095 R)
• M7: 4,879,434 km (0.097 R)
• M8: 6,441,236 km (0.099 R)
• M9: 7,476,902 km (0.101 R)
• M10: 11,969,176 km (0.118 R)
• M11: 12,937,074 km (0.036 R)
• M12: 17,448,796 km (0.088 R)
• M13: 20,423,849 km (0.101 R)
• M14: 20,919,317 km (0.106 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 677

Radius: 9.9

Gravity: 6.91 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 6.21 AU - 6.83 AU

Year: 5851 Days

Day: 14.9 Hours

Environment

Temp: -148 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 48,306,365 km

• M1: 135,087 km (0.117 R)
• M2: 566,078 km (0.11 R)
• M3: 918,082 km (0.076 R)
• M4: 1,308,233 km (0.074 R)
• M5: 2,051,884 km (0.084 R)
• M6: 2,433,509 km (0.097 R)
• M7: 2,881,255 km (0.11 R)
• M8: 3,512,408 km (0.066 R)
• M9: 4,460,111 km (0.102 R)
• M10: 5,247,744 km (0.117 R)
• M11: 5,904,927 km (0.072 R)
• M12: 6,582,606 km (0.088 R)
• M13: 7,419,606 km (0.083 R)
• M14: 10,819,367 km (0.048 R)
• M15: 12,185,495 km (0.117 R)
• M16: 12,544,230 km (0.092 R)
• M17: 13,015,912 km (0.11 R)
• M18: 13,663,073 km (0.101 R)
• M19: 14,388,323 km (0.112 R)
• M20: 15,733,956 km (0.113 R)
• M21: 16,282,681 km (0.075 R)
• M22: 18,471,747 km (0.053 R)
• M23: 18,877,456 km (0.108 R)
• M24: 19,427,677 km (0.1 R)
• M25: 20,777,349 km (0.075 R)
• M26: 26,718,479 km (0.036 R)
• M27: 29,382,069 km (0.106 R)

Asteroid Belt

Center: 8.54 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 10.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 131.6

Radius: 12.1

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 9.77 AU - 11.33 AU

Year: 12044 Days

Day: 11 Hours

Environment

Temp: -179 °C

Axial Tilt: 48.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 48,306,365 km

• M1: 160,219 km (0.051 R)
• M2: 710,889 km (0.037 R)
• M3: 1,353,562 km (0.117 R)
• M4: 1,860,100 km (0.115 R)
• M5: 2,361,402 km (0.063 R)
• M6: 3,617,875 km (0.108 R)
• M7: 4,762,897 km (0.091 R)
• M8: 5,362,635 km (0.088 R)
• M9: 7,084,506 km (0.068 R)
• M10: 8,280,093 km (0.095 R)
• M11: 9,396,242 km (0.1 R)
• M12: 12,371,295 km (0.072 R)
• M13: 13,882,084 km (0.097 R)
• M14: 14,710,258 km (0.108 R)
• M15: 15,338,120 km (0.077 R)
• M16: 17,646,116 km (0.116 R)
• M17: 18,224,910 km (0.115 R)
• M18: 20,809,812 km (0.108 R)
• M19: 21,456,224 km (0.117 R)
• M20: 26,948,860 km (0.045 R)
• M21: 29,655,983 km (0.115 R)
• M22: 30,382,879 km (0.084 R)
• M23: 31,028,693 km (0.103 R)

Planet 9 - Gas Giant

Semi-Major Axis: 10.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 456.9

Radius: 8.7

Gravity: 6.04 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 10.72 AU - 10.78 AU

Year: 12388 Days

Day: 11.6 Hours

Environment

Temp: -174 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 48,306,365 km

• M1: 108,758 km (0.093 R)
• M2: 465,549 km (0.107 R)
• M3: 749,785 km (0.064 R)
• M4: 1,747,453 km (0.1 R)
• M5: 3,478,898 km (0.111 R)
• M6: 4,923,116 km (0.113 R)
• M7: 6,096,861 km (0.095 R)
• M8: 12,683,955 km (0.12 R)
• M9: 14,669,418 km (0.041 R)
• M10: 17,141,074 km (0.097 R)
• M11: 19,012,693 km (0.044 R)
• M12: 20,360,569 km (0.105 R)
• M13: 20,768,822 km (0.117 R)
• M14: 21,266,085 km (0.064 R)
• M15: 27,866,942 km (0.071 R)
• M16: 29,395,533 km (0.037 R)
• M17: 30,551,476 km (0.095 R)
• M18: 31,086,886 km (0.066 R)
• M19: 34,546,636 km (0.088 R)
• M20: 37,884,763 km (0.113 R)
• M21: 40,525,315 km (0.113 R)
• M22: 43,961,429 km (0.118 R)

Kuiper Belt

Range: 31.2 - 55.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 513 - 20,315 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit