🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.91 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.72

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 1.68 AU - 1.94 AU

Year: 860 Days

Day: 18.9 Hours

Environment

Temp: -35 °C

Axial Tilt: 32.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 85,930,891 km

• M1: 1,340,397 km (0.057 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.08

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 1.9 AU - 2.22 AU

Year: 1044 Days

Day: 29.6 Hours

Environment

Temp: -54 °C

Axial Tilt: 6.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 5.18 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.39

Radius: 1.14

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 3.99 AU - 6.37 AU

Year: 4163 Days

Day: 38.5 Hours

Environment

Temp: -127 °C

Axial Tilt: 3.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 5.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 686.6

Radius: 10.4

Gravity: 6.35 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 5.51 AU - 5.83 AU

Year: 4767 Days

Day: 13.3 Hours

Environment

Temp: -140 °C

Axial Tilt: 106.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 85,930,891 km

• M1: 130,449 km (0.109 R)
• M2: 483,949 km (0.114 R)
• M3: 862,432 km (0.029 R)
• M4: 1,347,129 km (0.09 R)
• M5: 1,678,638 km (0.044 R)
• M6: 2,595,074 km (0.061 R)
• M7: 3,352,488 km (0.111 R)
• M8: 4,110,201 km (0.09 R)
• M9: 5,641,186 km (0.111 R)
• M10: 6,330,683 km (0.11 R)
• M11: 7,109,040 km (0.092 R)
• M12: 7,805,419 km (0.056 R)
• M13: 8,470,381 km (0.115 R)
• M14: 9,497,071 km (0.045 R)
• M15: 10,255,084 km (0.102 R)
• M16: 10,827,295 km (0.12 R)
• M17: 12,923,311 km (0.071 R)
• M18: 13,538,906 km (0.065 R)
• M19: 17,465,402 km (0.119 R)
• M20: 21,803,740 km (0.085 R)
• M21: 26,564,991 km (0.047 R)
• M22: 28,067,253 km (0.103 R)
• M23: 29,274,359 km (0.062 R)

Planet 5 - Gas Giant

Semi-Major Axis: 8.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 255.6

Radius: 9.5

Gravity: 2.83 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 6.9 AU - 9.12 AU

Year: 8005 Days

Day: 10.1 Hours

Environment

Temp: -163 °C

Axial Tilt: 43.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 85,930,891 km

• M1: 122,371 km (0.113 R)
• M2: 451,187 km (0.114 R)
• M3: 918,232 km (0.047 R)
• M4: 1,232,238 km (0.116 R)
• M5: 1,680,732 km (0.095 R)
• M6: 2,057,569 km (0.118 R)
• M7: 2,360,954 km (0.087 R)
• M8: 3,822,076 km (0.047 R)
• M9: 4,189,189 km (0.088 R)
• M10: 4,967,996 km (0.117 R)
• M11: 5,899,691 km (0.084 R)
• M12: 9,231,385 km (0.038 R)
• M13: 12,669,144 km (0.049 R)
• M14: 16,636,181 km (0.111 R)
• M15: 17,184,008 km (0.112 R)
• M16: 17,618,440 km (0.116 R)
• M17: 17,996,624 km (0.111 R)
• M18: 18,573,922 km (0.082 R)
• M19: 19,097,515 km (0.117 R)
• M20: 22,009,138 km (0.082 R)
• M21: 23,117,060 km (0.089 R)
• M22: 24,184,141 km (0.119 R)
• M23: 25,443,755 km (0.085 R)
• M24: 26,663,726 km (0.086 R)

Planet 6 - Ice Giant

Semi-Major Axis: 16.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 674.8

Radius: 4.3

Gravity: 36.5 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 15.4 AU - 18.08 AU

Year: 24184 Days

Day: 16.9 Hours

Environment

Temp: -197 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 85,930,891 km

• M1: 53,706 km (0.109 R)
• M2: 213,327 km (0.108 R)
• M3: 360,980 km (0.098 R)
• M4: 967,898 km (0.079 R)
• M5: 1,240,615 km (0.095 R)
• M6: 1,859,053 km (0.116 R)
• M7: 2,104,842 km (0.091 R)
• M8: 2,372,173 km (0.058 R)
• M9: 2,867,492 km (0.111 R)
• M10: 3,767,174 km (0.101 R)
• M11: 3,928,141 km (0.066 R)
• M12: 4,765,739 km (0.077 R)
• M13: 6,280,567 km (0.118 R)
• M14: 9,083,882 km (0.111 R)
• M15: 10,532,588 km (0.104 R)
• M16: 12,766,383 km (0.094 R)
• M17: 15,624,899 km (0.095 R)
• M18: 19,642,051 km (0.108 R)
• M19: 21,120,377 km (0.054 R)
• M20: 22,146,319 km (0.038 R)
• M21: 24,519,091 km (0.052 R)
• M22: 26,114,253 km (0.099 R)
• M23: 27,777,183 km (0.089 R)
• M24: 28,634,528 km (0.096 R)
• M25: 29,383,415 km (0.094 R)
• M26: 29,889,804 km (0.081 R)
• M27: 30,530,981 km (0.119 R)
• M28: 34,291,722 km (0.085 R)
• M29: 35,706,469 km (0.057 R)
• M30: 41,754,561 km (0.086 R)
• M31: 47,750,892 km (0.06 R)
• M32: 53,917,616 km (0.043 R)
• M33: 74,616,576 km (0.1 R)
• M34: 75,795,108 km (0.109 R)
• M35: 80,140,627 km (0.093 R)
• M36: 83,127,946 km (0.081 R)
• M37: 83,886,258 km (0.101 R)

Kuiper Belt

Range: 31.1 - 49.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 247 - 15,839 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit