🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.09

Radius: 1.04

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.47 AU - 0.75 AU

Year: 308 Days

Day: 43.1 Hours

Environment

Temp: -128 °C

Axial Tilt: 13.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 45,806,179 km

• M1: 222,751 km (0.041 R)

Asteroid Belt

Center: 0.92 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 36.7

Radius: 9.1

Gravity: 0.44 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 1.2 AU - 1.24 AU

Year: 870 Days

Day: 8.6 Hours

Environment

Temp: -158 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 45,806,179 km

• M1: 113,246 km (0.068 R)
• M2: 445,353 km (0.087 R)
• M3: 807,978 km (0.095 R)
• M4: 1,132,456 km (0.114 R)
• M5: 1,533,528 km (0.113 R)
• M6: 1,938,639 km (0.049 R)
• M7: 2,542,865 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 420.1

Radius: 11.4

Gravity: 3.23 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 2.12 AU - 2.14 AU

Year: 2007 Days

Day: 11.4 Hours

Environment

Temp: -198 °C

Axial Tilt: 43.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 45,806,179 km

• M1: 141,819 km (0.086 R)
• M2: 813,812 km (0.117 R)
• M3: 1,910,963 km (0.111 R)
• M4: 2,741,531 km (0.115 R)
• M5: 3,201,993 km (0.084 R)
• M6: 3,663,353 km (0.094 R)
• M7: 4,486,889 km (0.052 R)
• M8: 5,046,086 km (0.098 R)
• M9: 5,429,655 km (0.102 R)
• M10: 7,404,496 km (0.07 R)
• M11: 9,054,710 km (0.104 R)
• M12: 10,762,669 km (0.048 R)
• M13: 12,215,713 km (0.073 R)
• M14: 13,308,077 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 611.7

Radius: 11.1

Gravity: 4.96 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 1.98 AU - 2.68 AU

Year: 2296 Days

Day: 7.1 Hours

Environment

Temp: -187 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 45,806,179 km

• M1: 140,772 km (0.056 R)
• M2: 548,276 km (0.114 R)
• M3: 1,102,836 km (0.075 R)
• M4: 1,551,480 km (0.025 R)
• M5: 2,060,860 km (0.079 R)
• M6: 2,694,407 km (0.106 R)
• M7: 3,073,488 km (0.077 R)
• M8: 3,523,179 km (0.063 R)
• M9: 4,703,058 km (0.086 R)
• M10: 5,142,427 km (0.051 R)
• M11: 5,681,428 km (0.059 R)
• M12: 6,493,894 km (0.068 R)
• M13: 7,152,873 km (0.079 R)
• M14: 8,476,215 km (0.091 R)
• M15: 10,099,053 km (0.067 R)
• M16: 11,367,643 km (0.083 R)
• M17: 13,378,837 km (0.063 R)
• M18: 14,039,311 km (0.098 R)
• M19: 14,813,929 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 739.1

Radius: 9.6

Gravity: 8.02 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 1.9 AU - 3.12 AU

Year: 2568 Days

Day: 12.8 Hours

Environment

Temp: -187 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 45,806,179 km

• M1: 119,678 km (0.116 R)
• M2: 718,967 km (0.06 R)
• M3: 1,228,498 km (0.071 R)
• M4: 1,624,184 km (0.115 R)
• M5: 2,235,142 km (0.092 R)
• M6: 2,753,498 km (0.058 R)
• M7: 3,125,399 km (0.115 R)
• M8: 5,872,614 km (0.085 R)
• M9: 6,520,223 km (0.073 R)
• M10: 10,038,466 km (0.09 R)
• M11: 12,896,084 km (0.101 R)
• M12: 13,664,270 km (0.072 R)
• M13: 14,800,316 km (0.07 R)
• M14: 16,255,753 km (0.107 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 591.2

Radius: 5.8

Gravity: 17.57 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 7.4 AU - 7.96 AU

Year: 13742 Days

Day: 18.1 Hours

Environment

Temp: -230 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 45,806,179 km

• M1: 72,106 km (0.102 R)
• M2: 1,322,146 km (0.039 R)
• M3: 1,578,108 km (0.06 R)
• M4: 2,811,692 km (0.103 R)
• M5: 3,517,944 km (0.048 R)
• M6: 3,926,645 km (0.025 R)
• M7: 4,246,036 km (0.079 R)
• M8: 4,709,491 km (0.027 R)
• M9: 5,378,941 km (0.116 R)
• M10: 7,857,329 km (0.1 R)
• M11: 8,650,796 km (0.087 R)
• M12: 9,091,960 km (0.107 R)
• M13: 11,879,567 km (0.11 R)
• M14: 13,049,273 km (0.085 R)
• M15: 16,122,163 km (0.09 R)
• M16: 19,981,339 km (0.109 R)
• M17: 22,441,775 km (0.095 R)
• M18: 24,030,205 km (0.061 R)
• M19: 28,593,539 km (0.107 R)
• M20: 29,242,644 km (0.088 R)
• M21: 30,346,078 km (0.074 R)
• M22: 32,168,928 km (0.07 R)
• M23: 33,344,468 km (0.098 R)
• M24: 38,726,850 km (0.074 R)
• M25: 53,748,421 km (0.108 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 864.7

Radius: 3.1

Gravity: 89.98 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 8.51 AU - 9 AU

Year: 16712 Days

Day: 22.1 Hours

Environment

Temp: -233 °C

Axial Tilt: 41.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 45,806,179 km

• M1: 39,045 km (0.114 R)
• M2: 143,764 km (0.108 R)
• M3: 247,285 km (0.057 R)
• M4: 570,865 km (0.079 R)
• M5: 694,733 km (0.11 R)
• M6: 937,380 km (0.084 R)
• M7: 1,177,784 km (0.106 R)
• M8: 2,339,262 km (0.079 R)
• M9: 3,058,828 km (0.12 R)
• M10: 4,846,522 km (0.092 R)
• M11: 5,440,575 km (0.037 R)
• M12: 6,292,086 km (0.067 R)
• M13: 8,775,411 km (0.074 R)
• M14: 10,469,308 km (0.061 R)
• M15: 11,017,135 km (0.113 R)
• M16: 14,861,950 km (0.068 R)
• M17: 17,500,408 km (0.097 R)
• M18: 20,622,366 km (0.109 R)
• M19: 29,825,477 km (0.097 R)
• M20: 30,188,252 km (0.034 R)
• M21: 30,922,478 km (0.11 R)
• M22: 37,091,446 km (0.083 R)
• M23: 41,579,531 km (0.104 R)
• M24: 43,564,695 km (0.079 R)
• M25: 44,187,920 km (0.084 R)
• M26: 46,740,508 km (0.074 R)
• M27: 49,558,483 km (0.096 R)
• M28: 62,356,432 km (0.091 R)
• M29: 67,205,048 km (0.057 R)
• M30: 71,217,114 km (0.12 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 196.7

Radius: 7.3

Gravity: 3.69 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 8.76 AU - 9.24 AU

Year: 17433 Days

Day: 18.1 Hours

Environment

Temp: -230 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 45,806,179 km

• M1: 91,853 km (0.061 R)
• M2: 557,850 km (0.09 R)
• M3: 857,794 km (0.098 R)
• M4: 2,084,646 km (0.081 R)
• M5: 2,994,650 km (0.115 R)
• M6: 4,092,250 km (0.093 R)
• M7: 4,511,573 km (0.111 R)
• M8: 5,146,616 km (0.104 R)
• M9: 7,130,583 km (0.109 R)
• M10: 8,556,998 km (0.102 R)
• M11: 10,724,522 km (0.09 R)
• M12: 17,948,005 km (0.097 R)
• M13: 20,397,370 km (0.071 R)
• M14: 21,618,687 km (0.093 R)
• M15: 26,041,698 km (0.098 R)
• M16: 28,965,888 km (0.098 R)
• M17: 30,821,649 km (0.073 R)
• M18: 32,101,908 km (0.062 R)
• M19: 32,645,696 km (0.055 R)
• M20: 33,306,320 km (0.11 R)
• M21: 34,427,108 km (0.105 R)
• M22: 36,507,565 km (0.07 R)
• M23: 43,514,131 km (0.098 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 282 - 17,251 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit