🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 473

Radius: 9.5

Gravity: 5.24 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.73 AU - 1.09 AU

Year: 561 Days

Day: 11.1 Hours

Environment

Temp: -157 °C

Axial Tilt: 47.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 31,935,974 km

• M1: 118,182 km (0.104 R)
• M2: 423,960 km (0.062 R)
• M3: 821,143 km (0.112 R)
• M4: 1,170,005 km (0.04 R)
• M5: 2,040,515 km (0.095 R)
• M6: 2,390,125 km (0.08 R)
• M7: 2,737,791 km (0.088 R)
• M8: 3,486,528 km (0.115 R)
• M9: 3,935,920 km (0.095 R)
• M10: 4,629,905 km (0.103 R)
• M11: 5,222,312 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 765.9

Radius: 9.1

Gravity: 9.25 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 0.92 AU - 1.08 AU

Year: 646 Days

Day: 9.9 Hours

Environment

Temp: -158 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 31,935,974 km

• M1: 113,096 km (0.105 R)
• M2: 625,917 km (0.1 R)
• M3: 1,135,897 km (0.047 R)
• M4: 1,726,210 km (0.039 R)
• M5: 2,021,965 km (0.056 R)
• M6: 3,483,536 km (0.075 R)
• M7: 5,064,337 km (0.083 R)
• M8: 5,772,383 km (0.099 R)
• M9: 7,162,746 km (0.11 R)
• M10: 7,657,167 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 655.5

Radius: 13.3

Gravity: 3.71 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 0.9 AU - 1.14 AU

Year: 665 Days

Day: 13.6 Hours

Environment

Temp: -153 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 31,935,974 km

• M1: 165,455 km (0.055 R)
• M2: 608,714 km (0.1 R)
• M3: 1,058,255 km (0.103 R)
• M4: 1,556,117 km (0.064 R)
• M5: 2,009,249 km (0.119 R)
• M6: 2,478,687 km (0.067 R)
• M7: 3,836,437 km (0.105 R)
• M8: 4,395,784 km (0.105 R)
• M9: 5,301,749 km (0.116 R)
• M10: 5,790,335 km (0.054 R)
• M11: 6,249,900 km (0.07 R)
• M12: 6,754,344 km (0.064 R)
• M13: 7,551,102 km (0.076 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 925.4

Radius: 13.7

Gravity: 4.93 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 1 AU - 1.44 AU

Year: 870 Days

Day: 8.2 Hours

Environment

Temp: -176 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 31,935,974 km

• M1: 170,542 km (0.097 R)
• M2: 688,749 km (0.069 R)
• M3: 1,651,261 km (0.11 R)
• M4: 2,167,224 km (0.065 R)
• M5: 2,955,007 km (0.12 R)
• M6: 5,690,105 km (0.107 R)
• M7: 6,433,157 km (0.108 R)
• M8: 8,535,606 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 601.5

Radius: 9.6

Gravity: 6.53 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 1.07 AU - 1.61 AU

Year: 1002 Days

Day: 11.2 Hours

Environment

Temp: -175 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 31,935,974 km

• M1: 119,379 km (0.111 R)
• M2: 483,800 km (0.101 R)
• M3: 902,374 km (0.099 R)
• M4: 1,334,563 km (0.064 R)
• M5: 1,720,076 km (0.096 R)
• M6: 2,077,316 km (0.1 R)
• M7: 2,671,070 km (0.086 R)
• M8: 3,021,428 km (0.117 R)
• M9: 3,374,180 km (0.109 R)
• M10: 4,549,421 km (0.105 R)
• M11: 5,472,290 km (0.071 R)
• M12: 5,854,064 km (0.086 R)
• M13: 7,320,422 km (0.049 R)
• M14: 7,884,705 km (0.106 R)
• M15: 8,190,483 km (0.116 R)
• M16: 8,557,297 km (0.1 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 183

Radius: 13.3

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 1.6 AU - 1.86 AU

Year: 1469 Days

Day: 9.3 Hours

Environment

Temp: -193 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 31,935,974 km

• M1: 165,605 km (0.117 R)
• M2: 704,905 km (0.12 R)
• M3: 2,069,537 km (0.042 R)
• M4: 3,836,886 km (0.096 R)
• M5: 4,662,218 km (0.03 R)
• M6: 6,249,750 km (0.09 R)
• M7: 7,741,091 km (0.042 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 300.2

Radius: 13.3

Gravity: 1.7 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 4.31 AU - 6.59 AU

Year: 8215 Days

Day: 13.7 Hours

Environment

Temp: -215 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 31,935,974 km

• M1: 165,455 km (0.102 R)
• M2: 632,649 km (0.108 R)
• M3: 2,079,111 km (0.101 R)
• M4: 2,553,037 km (0.055 R)
• M5: 5,422,474 km (0.112 R)
• M6: 7,664,198 km (0.063 R)
• M7: 8,810,118 km (0.074 R)
• M8: 9,635,449 km (0.096 R)
• M9: 10,067,189 km (0.1 R)
• M10: 10,969,563 km (0.089 R)
• M11: 12,728,984 km (0.105 R)
• M12: 16,249,620 km (0.119 R)
• M13: 16,987,137 km (0.054 R)
• M14: 17,682,618 km (0.095 R)
• M15: 18,200,376 km (0.074 R)
• M16: 21,890,058 km (0.068 R)
• M17: 23,172,112 km (0.061 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 298 - 12,301 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit