🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.71

Radius: 1.49

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 0.5 AU - 0.52 AU

Year: 129 Days

Day: 13.8 Hours

Environment

Temp: 199 °C

Axial Tilt: 39.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.84 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.67

Radius: 1.23

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 0.66 AU - 1.02 AU

Year: 272 Days

Day: 25.1 Hours

Environment

Temp: 146 °C

Axial Tilt: 16.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.52 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.64

Radius: 1.47

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 1.35 AU - 1.69 AU

Year: 662 Days

Day: 45.2 Hours

Environment

Temp: -2 °C

Axial Tilt: 2.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 67,911,007 km

• M1: 34,258 km (0.033 R)
• M2: 395,387 km (0.073 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.28 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.51

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 2.89 AU - 3.67 AU

Year: 2098 Days

Day: 31.6 Hours

Environment

Temp: -93 °C

Axial Tilt: 23.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 67,911,007 km

• M1: 38,596 km (0.11 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.86

Radius: 1.72

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 2.78 AU - 4.5 AU

Year: 2452 Days

Day: 41.6 Hours

Environment

Temp: -114 °C

Axial Tilt: 22.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.38 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.98

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 3.39 AU - 5.37 AU

Year: 3237 Days

Day: 39.6 Hours

Environment

Temp: -117 °C

Axial Tilt: 32.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 11.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 994.9

Radius: 8

Gravity: 15.55 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 10.47 AU - 12.87 AU

Year: 14077 Days

Day: 14 Hours

Environment

Temp: -185 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 67,911,007 km

• M1: 99,632 km (0.049 R)
• M2: 399,726 km (0.077 R)
• M3: 1,137,991 km (0.079 R)
• M4: 1,546,543 km (0.111 R)
• M5: 1,829,582 km (0.117 R)
• M6: 2,268,203 km (0.068 R)
• M7: 2,568,446 km (0.093 R)
• M8: 3,018,436 km (0.038 R)
• M9: 6,470,407 km (0.08 R)
• M10: 8,060,333 km (0.114 R)
• M11: 8,712,281 km (0.067 R)
• M12: 9,562,296 km (0.095 R)
• M13: 10,235,337 km (0.086 R)
• M14: 11,928,186 km (0.045 R)
• M15: 14,224,813 km (0.064 R)
• M16: 15,628,938 km (0.102 R)
• M17: 18,198,880 km (0.101 R)
• M18: 20,121,063 km (0.063 R)
• M19: 24,466,732 km (0.115 R)
• M20: 30,819,256 km (0.045 R)
• M21: 32,036,534 km (0.077 R)
• M22: 32,532,301 km (0.086 R)
• M23: 39,878,155 km (0.066 R)
• M24: 40,164,336 km (0.098 R)
• M25: 40,596,225 km (0.108 R)
• M26: 51,066,580 km (0.051 R)
• M27: 51,743,061 km (0.099 R)
• M28: 56,467,063 km (0.072 R)
• M29: 58,287,070 km (0.091 R)
• M30: 61,090,086 km (0.052 R)
• M31: 61,852,436 km (0.107 R)
• M32: 66,359,671 km (0.033 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 435.4

Radius: 5.6

Gravity: 13.88 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 12.17 AU - 18.45 AU

Year: 21152 Days

Day: 19.3 Hours

Environment

Temp: -197 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 67,911,007 km

• M1: 72,256 km (0.082 R)
• M2: 506,239 km (0.089 R)
• M3: 753,375 km (0.115 R)
• M4: 1,043,146 km (0.096 R)
• M5: 1,289,683 km (0.079 R)
• M6: 1,919,789 km (0.102 R)
• M7: 2,190,113 km (0.083 R)
• M8: 5,240,862 km (0.105 R)
• M9: 5,615,455 km (0.049 R)
• M10: 7,572,345 km (0.1 R)
• M11: 8,499,104 km (0.084 R)
• M12: 9,886,474 km (0.096 R)
• M13: 10,752,197 km (0.11 R)
• M14: 13,237,916 km (0.025 R)
• M15: 17,276,609 km (0.091 R)
• M16: 18,443,772 km (0.07 R)
• M17: 22,453,144 km (0.095 R)
• M18: 24,248,319 km (0.073 R)
• M19: 26,029,581 km (0.077 R)
• M20: 26,678,536 km (0.088 R)
• M21: 27,672,165 km (0.061 R)
• M22: 29,382,667 km (0.107 R)
• M23: 30,561,349 km (0.089 R)
• M24: 31,893,817 km (0.118 R)
• M25: 33,900,523 km (0.077 R)
• M26: 38,025,236 km (0.038 R)
• M27: 41,293,201 km (0.118 R)
• M28: 44,743,377 km (0.101 R)
• M29: 50,022,237 km (0.107 R)
• M30: 52,896,909 km (0.037 R)
• M31: 60,844,745 km (0.067 R)
• M32: 64,117,049 km (0.115 R)
• M33: 65,299,471 km (0.083 R)
• M34: 65,696,803 km (0.091 R)
• M35: 66,898,522 km (0.038 R)

Kuiper Belt

Range: 31.1 - 58.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 427 - 12,703 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit