🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.25

Radius: 1.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 0.62 AU - 0.72 AU

Year: 191 Days

Day: 41.5 Hours

Environment

Temp: 180 °C

Axial Tilt: 42.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 49,454,822 km

• M1: 430,991 km (0.085 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.47

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 0.85 AU - 1.13 AU

Year: 343 Days

Day: 44.1 Hours

Environment

Temp: 170 °C

Axial Tilt: 22.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 49,454,822 km

• M1: 68,516 km (0.11 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.21

Radius: 0.54

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 1.54 AU - 2.32 AU

Year: 934 Days

Day: 31.8 Hours

Environment

Temp: -53 °C

Axial Tilt: 42.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.42

Radius: 0.71

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 1.8 AU - 2.92 AU

Year: 1263 Days

Day: 28.5 Hours

Environment

Temp: -65 °C

Axial Tilt: 2.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.59

Radius: 1.2

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 2.35 AU - 3.05 AU

Year: 1545 Days

Day: 27 Hours

Environment

Temp: -80 °C

Axial Tilt: 9.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.88

Radius: 1.53

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 2.49 AU - 2.99 AU

Year: 1580 Days

Day: 19 Hours

Environment

Temp: -71 °C

Axial Tilt: 9.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 3.14 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.13

Radius: 1.05

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 3.11 AU - 3.17 AU

Year: 1938 Days

Day: 44 Hours

Environment

Temp: -101 °C

Axial Tilt: 27.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Terrestrial

Semi-Major Axis: 3.35 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.72

Radius: 1.49

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 2.72 AU - 3.98 AU

Year: 2135 Days

Day: 17.2 Hours

Environment

Temp: -108 °C

Axial Tilt: 126.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 49,454,822 km

• M1: 34,856 km (0.082 R)

Planet 9 - Gas Giant

Semi-Major Axis: 7.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 902.5

Radius: 14

Gravity: 4.6 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 5.96 AU - 8.46 AU

Year: 6742 Days

Day: 7.4 Hours

Environment

Temp: -159 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 49,454,822 km

• M1: 174,132 km (0.041 R)
• M2: 626,217 km (0.07 R)
• M3: 1,326,784 km (0.104 R)
• M4: 1,783,356 km (0.093 R)
• M5: 3,028,758 km (0.089 R)
• M6: 3,767,174 km (0.091 R)
• M7: 4,650,998 km (0.104 R)
• M8: 5,896,101 km (0.109 R)
• M9: 7,051,445 km (0.029 R)
• M10: 7,902,208 km (0.079 R)
• M11: 9,761,859 km (0.096 R)
• M12: 10,281,263 km (0.116 R)
• M13: 12,601,526 km (0.073 R)
• M14: 13,104,474 km (0.113 R)
• M15: 15,315,082 km (0.03 R)
• M16: 16,875,687 km (0.076 R)
• M17: 17,973,586 km (0.058 R)
• M18: 19,338,517 km (0.1 R)
• M19: 20,311,501 km (0.088 R)
• M20: 21,003,990 km (0.052 R)
• M21: 23,010,696 km (0.114 R)
• M22: 27,682,787 km (0.082 R)
• M23: 34,774,623 km (0.045 R)
• M24: 36,325,355 km (0.112 R)

Planet 10 - Gas Giant

Semi-Major Axis: 9.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 681.8

Radius: 10.1

Gravity: 6.68 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 9.55 AU - 9.83 AU

Year: 10505 Days

Day: 9.1 Hours

Environment

Temp: -171 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 49,454,822 km

• M1: 189,541 km (0.108 R)
• M2: 575,952 km (0.034 R)
• M3: 943,514 km (0.103 R)
• M4: 1,457,532 km (0.117 R)
• M5: 2,168,870 km (0.07 R)
• M6: 2,832,336 km (0.073 R)
• M7: 3,702,547 km (0.118 R)
• M8: 4,620,779 km (0.073 R)
• M9: 6,181,384 km (0.032 R)
• M10: 6,592,479 km (0.12 R)
• M11: 6,982,032 km (0.12 R)
• M12: 8,696,124 km (0.065 R)
• M13: 9,454,735 km (0.111 R)
• M14: 10,887,583 km (0.078 R)
• M15: 11,599,968 km (0.085 R)
• M16: 12,876,038 km (0.102 R)
• M17: 13,300,896 km (0.09 R)
• M18: 15,980,942 km (0.096 R)
• M19: 16,757,056 km (0.112 R)
• M20: 17,781,053 km (0.117 R)
• M21: 18,308,386 km (0.1 R)
• M22: 19,712,511 km (0.096 R)
• M23: 20,359,073 km (0.084 R)
• M24: 20,936,372 km (0.102 R)
• M25: 22,470,947 km (0.094 R)
• M26: 25,005,134 km (0.052 R)
• M27: 29,258,950 km (0.086 R)
• M28: 31,501,721 km (0.11 R)
• M29: 34,434,438 km (0.071 R)
• M30: 36,447,427 km (0.072 R)
• M31: 36,932,274 km (0.088 R)
• M32: 37,544,278 km (0.025 R)
• M33: 42,955,682 km (0.083 R)
• M34: 45,426,141 km (0.118 R)
• M35: 46,838,645 km (0.07 R)
• M36: 47,844,840 km (0.073 R)

Kuiper Belt

Range: 31.5 - 51.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 528 - 17,483 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit