🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.2

Radius: 1.59

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 0.53 AU - 0.53 AU

Year: 111 Days

Day: 17.3 Hours

Environment

Temp: 445 °C

Axial Tilt: 15.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 96,167,660 km

• M1: 37,100 km (0.059 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.86 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.23

Radius: 1.78

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 0.66 AU - 1.06 AU

Year: 230 Days

Day: 43.8 Hours

Environment

Temp: 311 °C

Axial Tilt: 26.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 96,167,660 km

• M1: 42,635 km (0.098 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.66 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.22

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 1.32 AU - 2 AU

Year: 618 Days

Day: 37.9 Hours

Environment

Temp: 103 °C

Axial Tilt: 33.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 4.19 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.67

Radius: 0.85

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 3.33 AU - 5.05 AU

Year: 2477 Days

Day: 14.4 Hours

Environment

Temp: -56 °C

Axial Tilt: 9.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 5.88 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.77

Radius: 0.9

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 5.29 AU - 6.47 AU

Year: 4117 Days

Day: 28.4 Hours

Environment

Temp: -86 °C

Axial Tilt: 24.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 8.4 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.45

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 7.11 AU - 9.69 AU

Year: 7030 Days

Day: 42.8 Hours

Environment

Temp: -127 °C

Axial Tilt: 35.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 96,167,660 km

• M1: 41,738 km (0.043 R)

Asteroid Belt

Center: 10.47 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 12.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 549.2

Radius: 9.2

Gravity: 6.49 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 9.47 AU - 15.59 AU

Year: 12807 Days

Day: 5.6 Hours

Environment

Temp: -136 °C

Axial Tilt: 49.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 96,167,660 km

• M1: 115,490 km (0.101 R)
• M2: 468,241 km (0.11 R)
• M3: 829,819 km (0.092 R)
• M4: 2,303,807 km (0.115 R)
• M5: 2,641,599 km (0.034 R)
• M6: 2,944,535 km (0.105 R)
• M7: 3,647,196 km (0.093 R)
• M8: 5,382,980 km (0.111 R)
• M9: 7,959,953 km (0.095 R)
• M10: 9,716,830 km (0.104 R)
• M11: 12,482,446 km (0.091 R)
• M12: 15,594,082 km (0.087 R)
• M13: 16,158,515 km (0.105 R)
• M14: 16,663,707 km (0.102 R)
• M15: 17,253,721 km (0.096 R)
• M16: 17,781,502 km (0.1 R)
• M17: 19,268,206 km (0.116 R)
• M18: 22,935,897 km (0.106 R)
• M19: 30,184,961 km (0.093 R)
• M20: 30,511,683 km (0.081 R)
• M21: 33,212,223 km (0.104 R)
• M22: 37,681,460 km (0.102 R)
• M23: 42,263,343 km (0.117 R)
• M24: 44,335,872 km (0.104 R)
• M25: 46,911,199 km (0.094 R)
• M26: 47,791,433 km (0.12 R)
• M27: 50,958,869 km (0.114 R)

Planet 8 - Gas Giant

Semi-Major Axis: 13.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 389.3

Radius: 12.5

Gravity: 2.49 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 13.43 AU - 14.11 AU

Year: 14755 Days

Day: 5.8 Hours

Environment

Temp: -149 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 96,167,660 km

• M1: 160,070 km (0.03 R)
• M2: 603,927 km (0.109 R)
• M3: 1,596,808 km (0.094 R)
• M4: 2,084,198 km (0.063 R)
• M5: 2,650,126 km (0.085 R)
• M6: 3,245,675 km (0.116 R)
• M7: 4,495,865 km (0.108 R)
• M8: 7,041,123 km (0.1 R)
• M9: 8,233,717 km (0.098 R)
• M10: 8,831,361 km (0.108 R)
• M11: 9,857,752 km (0.067 R)
• M12: 12,922,563 km (0.097 R)
• M13: 14,837,715 km (0.113 R)
• M14: 16,286,571 km (0.12 R)
• M15: 17,526,887 km (0.087 R)
• M16: 20,692,677 km (0.097 R)
• M17: 27,117,905 km (0.096 R)
• M18: 28,962,597 km (0.097 R)
• M19: 30,780,360 km (0.111 R)
• M20: 40,104,048 km (0.106 R)
• M21: 43,863,741 km (0.1 R)
• M22: 48,440,987 km (0.097 R)

Planet 9 - Ice Giant

Semi-Major Axis: 22.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 590.3

Radius: 6.9

Gravity: 12.4 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 21.17 AU - 23.63 AU

Year: 30613 Days

Day: 24 Hours

Environment

Temp: -184 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 96,167,660 km

• M1: 85,869 km (0.059 R)
• M2: 306,825 km (0.115 R)
• M3: 533,316 km (0.046 R)
• M4: 820,395 km (0.096 R)
• M5: 1,481,617 km (0.105 R)
• M6: 4,643,668 km (0.061 R)
• M7: 5,275,270 km (0.062 R)
• M8: 5,611,715 km (0.051 R)
• M9: 5,962,522 km (0.118 R)
• M10: 6,421,339 km (0.108 R)
• M11: 9,076,851 km (0.089 R)
• M12: 10,513,738 km (0.066 R)
• M13: 14,634,412 km (0.094 R)
• M14: 17,140,774 km (0.068 R)
• M15: 18,832,577 km (0.047 R)
• M16: 23,882,702 km (0.096 R)
• M17: 28,087,299 km (0.117 R)
• M18: 28,597,279 km (0.089 R)
• M19: 32,340,666 km (0.119 R)
• M20: 33,041,831 km (0.073 R)
• M21: 35,798,920 km (0.093 R)
• M22: 38,081,036 km (0.09 R)
• M23: 39,178,486 km (0.117 R)
• M24: 41,108,747 km (0.097 R)
• M25: 41,931,386 km (0.082 R)
• M26: 50,582,331 km (0.082 R)
• M27: 53,450,870 km (0.058 R)
• M28: 56,628,030 km (0.116 R)
• M29: 59,300,596 km (0.098 R)
• M30: 59,719,021 km (0.096 R)
• M31: 63,574,458 km (0.071 R)
• M32: 64,895,556 km (0.064 R)
• M33: 66,911,388 km (0.111 R)
• M34: 69,431,364 km (0.078 R)
• M35: 71,303,432 km (0.113 R)
• M36: 75,392,540 km (0.117 R)
• M37: 81,427,767 km (0.093 R)
• M38: 84,034,659 km (0.07 R)
• M39: 87,506,227 km (0.089 R)

Kuiper Belt

Range: 38 - 65 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 289 - 17,982 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit