🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.5 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.68

Radius: 0.86

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 0.41 AU - 0.59 AU

Year: 131 Days

Day: 27.5 Hours

Environment

Temp: 242 °C

Axial Tilt: 14.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 28,029,117 km

• M1: 206,146 km (0.09 R)
• M2: 236,813 km (0.104 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.11

Radius: 1.57

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 1.39 AU - 1.87 AU

Year: 772 Days

Day: 14.2 Hours

Environment

Temp: -48 °C

Axial Tilt: 29 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 28,029,117 km

• M1: 122,221 km (0.117 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.15

Radius: 1.06

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 1.32 AU - 2.08 AU

Year: 822 Days

Day: 37 Hours

Environment

Temp: -65 °C

Axial Tilt: 38.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.22 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.6

Radius: 1.21

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 2.18 AU - 2.26 AU

Year: 1227 Days

Day: 45.3 Hours

Environment

Temp: -88 °C

Axial Tilt: 2.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 28,029,117 km

• M1: 51,611 km (0.103 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.38 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.19

Radius: 0.51

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 1.93 AU - 2.83 AU

Year: 1362 Days

Day: 32.3 Hours

Environment

Temp: -96 °C

Axial Tilt: 0.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 28,029,117 km

• M1: 99,632 km (0.043 R)
• M2: 128,355 km (0.075 R)

Planet 6 - Terrestrial

Semi-Major Axis: 4.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.23

Radius: 0.56

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 4.19 AU - 4.81 AU

Year: 3540 Days

Day: 23.4 Hours

Environment

Temp: -145 °C

Axial Tilt: 30 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.38 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 8.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 636.8

Radius: 13.4

Gravity: 3.55 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 7.69 AU - 8.81 AU

Year: 8788 Days

Day: 11.1 Hours

Environment

Temp: -166 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 28,029,117 km

• M1: 171,888 km (0.084 R)
• M2: 454,179 km (0.12 R)
• M3: 761,902 km (0.088 R)
• M4: 1,373,308 km (0.086 R)
• M5: 1,710,053 km (0.079 R)
• M6: 2,016,280 km (0.06 R)
• M7: 3,260,336 km (0.11 R)
• M8: 4,408,799 km (0.115 R)
• M9: 5,255,373 km (0.067 R)
• M10: 6,438,094 km (0.118 R)
• M11: 7,565,464 km (0.091 R)
• M12: 8,368,654 km (0.041 R)
• M13: 9,894,254 km (0.039 R)
• M14: 10,306,396 km (0.059 R)
• M15: 10,642,393 km (0.111 R)
• M16: 11,727,127 km (0.058 R)
• M17: 13,288,330 km (0.12 R)
• M18: 16,867,160 km (0.106 R)
• M19: 17,460,315 km (0.112 R)
• M20: 19,016,433 km (0.077 R)
• M21: 20,286,219 km (0.103 R)
• M22: 21,235,717 km (0.047 R)
• M23: 23,200,386 km (0.03 R)
• M24: 25,713,032 km (0.114 R)
• M25: 28,425,391 km (0.114 R)
• M26: 31,274,482 km (0.107 R)
• M27: 36,039,174 km (0.119 R)
• M28: 37,462,897 km (0.062 R)
• M29: 39,158,888 km (0.098 R)
• M30: 42,493,724 km (0.113 R)

Planet 8 - Gas Giant

Semi-Major Axis: 10.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 323.4

Radius: 10.8

Gravity: 2.77 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 8.17 AU - 12.25 AU

Year: 12099 Days

Day: 6.3 Hours

Environment

Temp: -188 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 28,029,117 km

• M1: 404,662 km (0.072 R)
• M2: 804,986 km (0.11 R)
• M3: 1,010,234 km (0.078 R)
• M4: 1,229,395 km (0.067 R)
• M5: 1,472,791 km (0.101 R)
• M6: 1,740,571 km (0.109 R)
• M7: 1,997,281 km (0.092 R)
• M8: 2,235,142 km (0.052 R)
• M9: 3,329,001 km (0.116 R)
• M10: 4,460,111 km (0.07 R)
• M11: 5,670,208 km (0.102 R)
• M12: 6,428,520 km (0.1 R)
• M13: 6,792,342 km (0.066 R)
• M14: 7,409,882 km (0.107 R)
• M15: 7,945,293 km (0.098 R)
• M16: 8,841,533 km (0.09 R)
• M17: 10,401,690 km (0.086 R)
• M18: 10,907,630 km (0.088 R)
• M19: 13,193,485 km (0.09 R)
• M20: 14,492,593 km (0.1 R)
• M21: 14,789,694 km (0.058 R)
• M22: 16,216,260 km (0.063 R)
• M23: 17,545,885 km (0.092 R)
• M24: 18,871,921 km (0.073 R)
• M25: 19,267,907 km (0.117 R)
• M26: 20,715,864 km (0.078 R)
• M27: 21,309,768 km (0.104 R)
• M28: 22,277,666 km (0.032 R)
• M29: 23,770,054 km (0.117 R)
• M30: 25,050,911 km (0.072 R)
• M31: 25,311,212 km (0.084 R)
• M32: 29,588,065 km (0.037 R)
• M33: 31,523,563 km (0.118 R)
• M34: 36,435,908 km (0.098 R)
• M35: 38,581,440 km (0.063 R)
• M36: 40,788,458 km (0.07 R)
• M37: 41,120,715 km (0.045 R)

Planet 9 - Ice Giant

Semi-Major Axis: 13.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 43.3

Radius: 3.5

Gravity: 3.53 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 11 AU - 15.4 AU

Year: 17785 Days

Day: 17.9 Hours

Environment

Temp: -188 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 28,029,117 km

• M1: 55,800 km (0.119 R)
• M2: 165,455 km (0.051 R)
• M3: 306,825 km (0.076 R)
• M4: 2,190,861 km (0.093 R)
• M5: 2,855,823 km (0.064 R)
• M6: 3,812,951 km (0.082 R)
• M7: 4,278,350 km (0.076 R)
• M8: 4,566,176 km (0.092 R)
• M9: 5,486,203 km (0.068 R)
• M10: 5,991,096 km (0.119 R)
• M11: 6,928,476 km (0.072 R)
• M12: 14,470,752 km (0.042 R)
• M13: 16,123,060 km (0.076 R)
• M14: 16,421,358 km (0.108 R)
• M15: 20,693,574 km (0.12 R)
• M16: 21,519,055 km (0.053 R)
• M17: 22,161,129 km (0.061 R)
• M18: 23,576,325 km (0.047 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 382 - 11,788 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit