🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 285.9

Radius: 14.9

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 0.51 AU - 0.55 AU

Year: 266 Days

Day: 5.9 Hours

Environment

Temp: -149 °C

Axial Tilt: 71.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 61,727,795 km

• M1: 185,501 km (0.093 R)
• M2: 651,349 km (0.107 R)
• M3: 1,182,571 km (0.12 R)
• M4: 1,766,900 km (0.06 R)
• M5: 2,357,214 km (0.051 R)
• M6: 2,872,878 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 461.2

Radius: 12.4

Gravity: 3 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 0.66 AU - 0.84 AU

Year: 448 Days

Day: 13.5 Hours

Environment

Temp: -160 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 61,727,795 km

• M1: 154,235 km (0.087 R)
• M2: 549,323 km (0.071 R)
• M3: 1,254,977 km (0.101 R)
• M4: 1,787,096 km (0.044 R)
• M5: 2,396,109 km (0.071 R)
• M6: 2,889,932 km (0.113 R)
• M7: 3,349,197 km (0.094 R)
• M8: 3,881,915 km (0.092 R)
• M9: 4,268,177 km (0.097 R)
• M10: 4,984,451 km (0.073 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 522.2

Radius: 14.6

Gravity: 2.45 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.73 AU - 1.05 AU

Year: 580 Days

Day: 13.2 Hours

Environment

Temp: -166 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 61,727,795 km

• M1: 181,612 km (0.109 R)
• M2: 1,032,375 km (0.097 R)
• M3: 1,806,394 km (0.083 R)
• M4: 2,444,429 km (0.105 R)
• M5: 3,103,857 km (0.106 R)
• M6: 3,607,852 km (0.088 R)
• M7: 5,511,335 km (0.112 R)
• M8: 6,256,482 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 731.7

Radius: 14.1

Gravity: 3.68 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 1.1 AU - 1.8 AU

Year: 1205 Days

Day: 10.4 Hours

Environment

Temp: -180 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 61,727,795 km

• M1: 175,927 km (0.102 R)
• M2: 821,741 km (0.108 R)
• M3: 1,586,785 km (0.083 R)
• M4: 2,288,698 km (0.091 R)
• M5: 3,410,383 km (0.087 R)
• M6: 4,062,031 km (0.076 R)
• M7: 4,852,656 km (0.111 R)
• M8: 5,449,102 km (0.099 R)
• M9: 6,139,048 km (0.069 R)
• M10: 6,959,742 km (0.109 R)
• M11: 8,257,802 km (0.118 R)
• M12: 9,022,996 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 555.4

Radius: 13.2

Gravity: 3.19 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 2.98 AU - 3.24 AU

Year: 3786 Days

Day: 6.8 Hours

Environment

Temp: -216 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 61,727,795 km

• M1: 164,258 km (0.116 R)
• M2: 616,194 km (0.058 R)
• M3: 1,584,690 km (0.081 R)
• M4: 2,439,642 km (0.042 R)
• M5: 3,102,361 km (0.097 R)
• M6: 4,028,371 km (0.096 R)
• M7: 5,081,391 km (0.085 R)
• M8: 6,396,655 km (0.111 R)
• M9: 9,424,217 km (0.051 R)
• M10: 10,521,817 km (0.114 R)
• M11: 13,301,195 km (0.09 R)
• M12: 14,078,506 km (0.084 R)
• M13: 16,263,533 km (0.061 R)
• M14: 17,956,980 km (0.097 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 33.8

Radius: 14.8

Gravity: 0.15 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 4.01 AU - 4.45 AU

Year: 6005 Days

Day: 14.4 Hours

Environment

Temp: -210 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 61,727,795 km

• M1: 187,895 km (0.111 R)
• M2: 3,356,079 km (0.108 R)
• M3: 4,305,277 km (0.109 R)
• M4: 7,518,041 km (0.104 R)
• M5: 8,303,280 km (0.053 R)
• M6: 10,327,190 km (0.073 R)
• M7: 12,476,911 km (0.12 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 773.3

Radius: 7.4

Gravity: 14.12 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 6.62 AU - 8.09 AU

Year: 13754 Days

Day: 21.7 Hours

Environment

Temp: -240 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 61,727,795 km

• M1: 92,302 km (0.117 R)
• M2: 607,667 km (0.117 R)
• M3: 1,265,149 km (0.063 R)
• M4: 1,579,754 km (0.113 R)
• M5: 3,554,894 km (0.056 R)
• M6: 3,890,592 km (0.056 R)
• M7: 4,216,865 km (0.1 R)
• M8: 4,691,240 km (0.094 R)
• M9: 5,271,081 km (0.069 R)
• M10: 5,783,753 km (0.106 R)
• M11: 7,387,891 km (0.046 R)
• M12: 9,797,464 km (0.092 R)
• M13: 10,402,737 km (0.084 R)
• M14: 13,472,036 km (0.054 R)
• M15: 17,731,686 km (0.07 R)
• M16: 19,386,837 km (0.106 R)
• M17: 20,251,961 km (0.102 R)
• M18: 21,142,667 km (0.082 R)
• M19: 28,450,673 km (0.09 R)
• M20: 29,566,972 km (0.07 R)
• M21: 34,575,808 km (0.117 R)
• M22: 35,718,137 km (0.058 R)
• M23: 36,233,801 km (0.091 R)
• M24: 43,250,988 km (0.099 R)
• M25: 46,999,761 km (0.119 R)
• M26: 48,087,039 km (0.063 R)
• M27: 55,136,240 km (0.097 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 542 - 13,139 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit