🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.78

Radius: 0.91

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 0.91 AU - 1.07 AU

Year: 377 Days

Day: 16.5 Hours

Environment

Temp: -2 °C

Axial Tilt: 43.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Asteroid Belt

Center: 1.41 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Terrestrial

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.25

Radius: 0.57

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 1.68 AU - 1.96 AU

Year: 940 Days

Day: 26.6 Hours

Environment

Temp: -67 °C

Axial Tilt: 7.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 88,050,437 km

• M1: 211,232 km (0.116 R)
• M2: 218,562 km (0.116 R)

Planet 3 - Terrestrial

Semi-Major Axis: 3.31 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.29

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 2.72 AU - 3.9 AU

Year: 2306 Days

Day: 12.4 Hours

Environment

Temp: -132 °C

Axial Tilt: 27.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 4.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 407.1

Radius: 12.4

Gravity: 2.65 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 3.26 AU - 5.28 AU

Year: 3378 Days

Day: 9.4 Hours

Environment

Temp: -135 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 88,050,437 km

• M1: 154,235 km (0.116 R)
• M2: 607,966 km (0.116 R)
• M3: 1,193,342 km (0.105 R)
• M4: 1,674,748 km (0.101 R)
• M5: 2,272,392 km (0.069 R)
• M6: 2,928,678 km (0.084 R)
• M7: 3,764,780 km (0.103 R)
• M8: 5,382,681 km (0.078 R)
• M9: 6,039,715 km (0.118 R)
• M10: 7,483,933 km (0.11 R)
• M11: 8,567,320 km (0.088 R)
• M12: 10,499,227 km (0.09 R)
• M13: 13,280,850 km (0.101 R)
• M14: 15,804,417 km (0.086 R)
• M15: 17,636,691 km (0.102 R)
• M16: 19,490,209 km (0.05 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 109.7

Radius: 12.9

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 3.57 AU - 5.69 AU

Year: 3815 Days

Day: 9.3 Hours

Environment

Temp: -144 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 88,050,437 km

• M1: 161,267 km (0.105 R)
• M2: 796,908 km (0.06 R)
• M3: 2,052,034 km (0.104 R)
• M4: 2,600,759 km (0.068 R)
• M5: 3,338,576 km (0.052 R)
• M6: 3,757,450 km (0.096 R)
• M7: 4,509,329 km (0.045 R)
• M8: 5,576,859 km (0.097 R)
• M9: 6,194,249 km (0.096 R)
• M10: 6,606,092 km (0.053 R)
• M11: 8,180,012 km (0.051 R)
• M12: 9,224,803 km (0.076 R)
• M13: 10,123,138 km (0.081 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 664.9

Radius: 14.1

Gravity: 3.34 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 5.11 AU - 8.03 AU

Year: 6448 Days

Day: 11.6 Hours

Environment

Temp: -172 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 88,050,437 km

• M1: 175,628 km (0.11 R)
• M2: 700,118 km (0.058 R)
• M3: 1,396,496 km (0.046 R)
• M4: 1,889,272 km (0.068 R)
• M5: 2,380,701 km (0.082 R)
• M6: 2,861,957 km (0.092 R)
• M7: 3,673,675 km (0.1 R)
• M8: 4,122,169 km (0.112 R)
• M9: 4,906,062 km (0.118 R)
• M10: 5,572,670 km (0.062 R)
• M11: 7,123,701 km (0.117 R)
• M12: 10,681,438 km (0.073 R)
• M13: 11,454,559 km (0.074 R)
• M14: 12,737,062 km (0.083 R)
• M15: 14,867,036 km (0.092 R)
• M16: 16,392,037 km (0.093 R)
• M17: 17,885,173 km (0.112 R)
• M18: 19,045,754 km (0.117 R)
• M19: 21,140,573 km (0.064 R)
• M20: 27,980,636 km (0.074 R)
• M21: 31,164,378 km (0.102 R)
• M22: 34,790,930 km (0.101 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 165.8

Radius: 12.3

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 7.52 AU - 11.26 AU

Year: 11017 Days

Day: 10.6 Hours

Environment

Temp: -180 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 88,050,437 km

• M1: 155,731 km (0.072 R)
• M2: 549,024 km (0.037 R)
• M3: 1,201,869 km (0.118 R)
• M4: 2,228,559 km (0.106 R)
• M5: 2,639,206 km (0.073 R)
• M6: 4,900,826 km (0.101 R)
• M7: 5,574,166 km (0.074 R)
• M8: 7,105,899 km (0.086 R)
• M9: 8,044,625 km (0.086 R)
• M10: 8,701,959 km (0.096 R)
• M11: 9,563,193 km (0.073 R)
• M12: 10,525,407 km (0.05 R)
• M13: 12,088,256 km (0.089 R)
• M14: 14,073,719 km (0.101 R)
• M15: 15,847,501 km (0.1 R)
• M16: 19,696,804 km (0.054 R)
• M17: 20,819,984 km (0.102 R)
• M18: 21,324,578 km (0.097 R)
• M19: 31,769,651 km (0.107 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 828

Radius: 7.7

Gravity: 13.97 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 14.77 AU - 15.59 AU

Year: 22645 Days

Day: 15.9 Hours

Environment

Temp: -187 °C

Axial Tilt: 46.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 88,050,437 km

• M1: 95,743 km (0.088 R)
• M2: 520,301 km (0.047 R)
• M3: 875,896 km (0.11 R)
• M4: 1,208,302 km (0.051 R)
• M5: 1,944,922 km (0.119 R)
• M6: 2,640,702 km (0.093 R)
• M7: 2,924,190 km (0.051 R)
• M8: 3,171,176 km (0.102 R)
• M9: 5,193,739 km (0.099 R)
• M10: 6,612,076 km (0.057 R)
• M11: 7,690,677 km (0.053 R)
• M12: 8,272,014 km (0.077 R)
• M13: 10,893,418 km (0.053 R)
• M14: 11,558,380 km (0.087 R)
• M15: 12,534,357 km (0.11 R)
• M16: 12,969,088 km (0.047 R)
• M17: 14,099,899 km (0.106 R)
• M18: 16,298,838 km (0.11 R)
• M19: 18,716,489 km (0.036 R)
• M20: 19,961,741 km (0.119 R)
• M21: 26,906,224 km (0.12 R)
• M22: 30,006,341 km (0.095 R)
• M23: 32,245,522 km (0.068 R)
• M24: 32,515,995 km (0.084 R)
• M25: 41,834,895 km (0.09 R)
• M26: 42,968,697 km (0.087 R)
• M27: 43,296,317 km (0.106 R)
• M28: 43,791,037 km (0.119 R)
• M29: 46,149,447 km (0.111 R)
• M30: 50,205,494 km (0.117 R)
• M31: 52,787,404 km (0.092 R)
• M32: 55,844,885 km (0.107 R)
• M33: 66,375,827 km (0.036 R)
• M34: 69,933,713 km (0.113 R)
• M35: 78,155,912 km (0.043 R)
• M36: 82,372,178 km (0.086 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: 328 - 15,403 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit