🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 383.8

Radius: 9.4

Gravity: 4.34 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 0.67 AU - 0.99 AU

Year: 522 Days

Day: 14 Hours

Environment

Temp: -163 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 73,521,011 km

• M1: 116,836 km (0.115 R)
• M2: 465,249 km (0.103 R)
• M3: 894,146 km (0.059 R)
• M4: 1,277,865 km (0.112 R)
• M5: 1,838,109 km (0.119 R)
• M6: 2,497,686 km (0.093 R)
• M7: 2,893,073 km (0.071 R)
• M8: 3,674,124 km (0.12 R)
• M9: 4,068,164 km (0.081 R)
• M10: 4,704,703 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 815.6

Radius: 13

Gravity: 4.83 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 0.83 AU - 0.85 AU

Year: 531 Days

Day: 9.8 Hours

Environment

Temp: -159 °C

Axial Tilt: 47.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 73,521,011 km

• M1: 161,715 km (0.098 R)
• M2: 727,644 km (0.086 R)
• M3: 1,731,595 km (0.08 R)
• M4: 2,881,105 km (0.11 R)
• M5: 4,218,959 km (0.082 R)
• M6: 6,047,793 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 598.5

Radius: 13.7

Gravity: 3.19 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 2.79 AU - 3.95 AU

Year: 4270 Days

Day: 13.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 73,521,011 km

• M1: 170,542 km (0.102 R)
• M2: 737,069 km (0.088 R)
• M3: 1,184,965 km (0.108 R)
• M4: 1,962,574 km (0.12 R)
• M5: 2,414,659 km (0.082 R)
• M6: 3,614,883 km (0.082 R)
• M7: 4,728,190 km (0.078 R)
• M8: 5,181,173 km (0.095 R)
• M9: 6,116,758 km (0.049 R)
• M10: 7,033,194 km (0.043 R)
• M11: 8,540,692 km (0.047 R)
• M12: 10,171,608 km (0.112 R)
• M13: 10,974,201 km (0.111 R)
• M14: 12,001,788 km (0.1 R)
• M15: 13,536,962 km (0.096 R)
• M16: 14,560,660 km (0.043 R)
• M17: 17,287,081 km (0.087 R)
• M18: 18,677,593 km (0.096 R)
• M19: 19,946,183 km (0.086 R)
• M20: 22,163,972 km (0.093 R)
• M21: 22,654,802 km (0.094 R)
• M22: 23,731,009 km (0.087 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 132

Radius: 10.5

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 4 AU - 6.16 AU

Year: 7903 Days

Day: 14.9 Hours

Environment

Temp: -218 °C

Axial Tilt: 48.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 73,521,011 km

• M1: 141,819 km (0.06 R)
• M2: 516,262 km (0.038 R)
• M3: 1,023,399 km (0.111 R)
• M4: 1,371,663 km (0.085 R)
• M5: 4,375,588 km (0.091 R)
• M6: 5,265,396 km (0.096 R)
• M7: 6,213,996 km (0.109 R)
• M8: 8,134,384 km (0.062 R)
• M9: 11,690,625 km (0.062 R)
• M10: 12,454,172 km (0.091 R)
• M11: 12,965,647 km (0.061 R)
• M12: 15,628,938 km (0.119 R)
• M13: 22,967,312 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 856.2

Radius: 14.7

Gravity: 3.96 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 5.1 AU - 5.14 AU

Year: 7997 Days

Day: 12.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 41 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 73,521,011 km

• M1: 182,809 km (0.088 R)
• M2: 891,753 km (0.09 R)
• M3: 1,661,883 km (0.093 R)
• M4: 2,284,359 km (0.06 R)
• M5: 3,082,315 km (0.103 R)
• M6: 4,900,826 km (0.09 R)
• M7: 5,854,513 km (0.07 R)
• M8: 7,236,498 km (0.09 R)
• M9: 8,215,616 km (0.065 R)
• M10: 8,781,844 km (0.068 R)
• M11: 9,561,847 km (0.068 R)
• M12: 10,337,662 km (0.12 R)
• M13: 11,472,511 km (0.047 R)
• M14: 15,313,137 km (0.103 R)
• M15: 15,905,096 km (0.091 R)
• M16: 16,925,802 km (0.12 R)
• M17: 20,407,842 km (0.074 R)
• M18: 24,519,989 km (0.083 R)
• M19: 28,656,968 km (0.035 R)
• M20: 32,371,034 km (0.11 R)
• M21: 33,128,748 km (0.109 R)
• M22: 39,869,777 km (0.115 R)
• M23: 42,778,858 km (0.079 R)
• M24: 43,560,357 km (0.11 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 523.5

Radius: 5.5

Gravity: 17.31 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 9.87 AU - 10.07 AU

Year: 21730 Days

Day: 17.1 Hours

Environment

Temp: -231 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 73,521,011 km

• M1: 68,366 km (0.068 R)
• M2: 292,314 km (0.113 R)
• M3: 1,329,775 km (0.03 R)
• M4: 1,992,644 km (0.093 R)
• M5: 2,408,227 km (0.114 R)
• M6: 2,613,176 km (0.115 R)
• M7: 4,595,347 km (0.104 R)
• M8: 5,356,352 km (0.066 R)
• M9: 6,240,475 km (0.117 R)
• M10: 9,584,436 km (0.118 R)
• M11: 9,984,910 km (0.107 R)
• M12: 14,032,430 km (0.114 R)
• M13: 16,414,926 km (0.1 R)
• M14: 17,829,523 km (0.117 R)
• M15: 19,504,570 km (0.077 R)
• M16: 20,520,938 km (0.099 R)
• M17: 24,093,485 km (0.099 R)
• M18: 27,484,420 km (0.064 R)
• M19: 35,600,104 km (0.087 R)
• M20: 41,915,977 km (0.09 R)
• M21: 43,915,801 km (0.103 R)
• M22: 46,301,139 km (0.081 R)
• M23: 55,602,836 km (0.032 R)
• M24: 57,451,716 km (0.038 R)
• M25: 62,647,998 km (0.096 R)
• M26: 62,846,215 km (0.092 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 174 - 14,065 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit