🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.96 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.91

Radius: 0.96

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 0.74 AU - 1.18 AU

Year: 335 Days

Day: 26.4 Hours

Environment

Temp: 80 °C

Axial Tilt: 34.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 77,052,145 km

• M1: 79,436 km (0.06 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.13 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.14

Radius: 1.05

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 1.09 AU - 1.17 AU

Year: 428 Days

Day: 12.1 Hours

Environment

Temp: 20 °C

Axial Tilt: 0.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 77,052,145 km

• M1: 27,077 km (0.082 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.78

Radius: 1.7

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 2.02 AU - 2.72 AU

Year: 1301 Days

Day: 20 Hours

Environment

Temp: -66 °C

Axial Tilt: 5.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 77,052,145 km

• M1: 45,328 km (0.113 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.4 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.84

Radius: 1.28

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 3.26 AU - 3.54 AU

Year: 2235 Days

Day: 12.1 Hours

Environment

Temp: -105 °C

Axial Tilt: 44.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 77,052,145 km

• M1: 530,175 km (0.055 R)

Asteroid Belt

Center: 6.92 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 10.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 615.1

Radius: 9.8

Gravity: 6.4 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 10.21 AU - 10.65 AU

Year: 12007 Days

Day: 7 Hours

Environment

Temp: -172 °C

Axial Tilt: 46.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 77,052,145 km

• M1: 122,072 km (0.056 R)
• M2: 661,821 km (0.106 R)
• M3: 1,845,739 km (0.117 R)
• M4: 2,553,486 km (0.066 R)
• M5: 6,328,888 km (0.111 R)
• M6: 6,954,356 km (0.066 R)
• M7: 8,983,502 km (0.105 R)
• M8: 10,502,519 km (0.078 R)
• M9: 11,435,710 km (0.079 R)
• M10: 13,340,839 km (0.086 R)
• M11: 21,499,159 km (0.047 R)
• M12: 23,090,731 km (0.082 R)
• M13: 25,720,512 km (0.063 R)
• M14: 28,335,482 km (0.1 R)
• M15: 28,648,142 km (0.094 R)
• M16: 40,705,281 km (0.079 R)
• M17: 43,548,389 km (0.06 R)
• M18: 44,947,578 km (0.107 R)
• M19: 49,777,794 km (0.095 R)
• M20: 50,538,499 km (0.115 R)

Planet 6 - Gas Giant

Semi-Major Axis: 10.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 937.6

Radius: 10.6

Gravity: 8.34 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 9.35 AU - 12.63 AU

Year: 12986 Days

Day: 8.1 Hours

Environment

Temp: -170 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 77,052,145 km

• M1: 134,040 km (0.065 R)
• M2: 931,546 km (0.098 R)
• M3: 1,595,312 km (0.054 R)
• M4: 2,107,684 km (0.102 R)
• M5: 3,333,938 km (0.105 R)
• M6: 3,853,043 km (0.118 R)
• M7: 4,916,534 km (0.105 R)
• M8: 5,516,870 km (0.077 R)
• M9: 5,854,064 km (0.079 R)
• M10: 6,529,049 km (0.041 R)
• M11: 7,388,489 km (0.078 R)
• M12: 8,177,020 km (0.068 R)
• M13: 9,543,297 km (0.076 R)
• M14: 10,535,131 km (0.114 R)
• M15: 10,939,045 km (0.103 R)
• M16: 11,839,175 km (0.088 R)
• M17: 13,247,639 km (0.11 R)
• M18: 16,937,920 km (0.057 R)
• M19: 17,977,924 km (0.104 R)
• M20: 19,060,115 km (0.077 R)
• M21: 26,588,628 km (0.115 R)
• M22: 27,015,281 km (0.068 R)
• M23: 28,992,367 km (0.087 R)
• M24: 41,046,664 km (0.072 R)
• M25: 46,216,916 km (0.034 R)
• M26: 50,980,710 km (0.083 R)
• M27: 55,019,853 km (0.09 R)
• M28: 56,412,310 km (0.06 R)
• M29: 57,471,912 km (0.064 R)
• M30: 58,905,358 km (0.069 R)
• M31: 60,362,442 km (0.113 R)
• M32: 60,915,056 km (0.099 R)

Planet 7 - Ice Giant

Semi-Major Axis: 17.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 428.8

Radius: 4.4

Gravity: 22.15 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 14.07 AU - 20.63 AU

Year: 25760 Days

Day: 17.6 Hours

Environment

Temp: -183 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 77,052,145 km

• M1: 54,753 km (0.094 R)
• M2: 309,368 km (0.105 R)
• M3: 689,347 km (0.079 R)
• M4: 1,079,648 km (0.066 R)
• M5: 1,604,138 km (0.075 R)
• M6: 1,837,211 km (0.116 R)
• M7: 2,415,856 km (0.083 R)
• M8: 3,587,507 km (0.042 R)
• M9: 3,829,705 km (0.116 R)
• M10: 4,313,206 km (0.079 R)
• M11: 5,439,528 km (0.099 R)
• M12: 6,568,992 km (0.056 R)
• M13: 12,382,216 km (0.04 R)
• M14: 13,146,661 km (0.098 R)
• M15: 14,090,175 km (0.073 R)
• M16: 18,494,336 km (0.089 R)
• M17: 19,033,935 km (0.106 R)
• M18: 27,265,110 km (0.114 R)
• M19: 28,555,092 km (0.076 R)
• M20: 39,477,382 km (0.118 R)
• M21: 42,976,327 km (0.049 R)
• M22: 56,749,055 km (0.075 R)
• M23: 62,589,356 km (0.073 R)
• M24: 65,033,486 km (0.12 R)
• M25: 65,862,108 km (0.085 R)

Kuiper Belt

Range: 30.8 - 57.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 400 - 12,577 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit