🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 806.4

Radius: 15

Gravity: 3.58 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.47 AU - 0.73 AU

Year: 315 Days

Day: 8.9 Hours

Environment

Temp: -141 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 53,444,913 km

• M1: 186,698 km (0.11 R)
• M2: 790,924 km (0.104 R)
• M3: 1,927,419 km (0.059 R)
• M4: 2,415,706 km (0.075 R)
• M5: 3,205,284 km (0.066 R)
• M6: 3,839,729 km (0.102 R)
• M7: 4,750,480 km (0.04 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 319.5

Radius: 12.9

Gravity: 1.92 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 0.61 AU - 0.65 AU

Year: 339 Days

Day: 8.1 Hours

Environment

Temp: -142 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 53,444,913 km

• M1: 160,369 km (0.101 R)
• M2: 618,886 km (0.104 R)
• M3: 1,502,711 km (0.035 R)
• M4: 3,675,320 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 987

Radius: 12

Gravity: 6.85 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 0.68 AU - 0.8 AU

Year: 432 Days

Day: 11.5 Hours

Environment

Temp: -171 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 53,444,913 km

• M1: 149,747 km (0.059 R)
• M2: 547,678 km (0.1 R)
• M3: 1,038,957 km (0.092 R)
• M4: 1,413,550 km (0.112 R)
• M5: 2,233,646 km (0.093 R)
• M6: 2,704,131 km (0.085 R)
• M7: 3,228,472 km (0.094 R)
• M8: 3,649,440 km (0.117 R)
• M9: 4,079,235 km (0.115 R)
• M10: 4,542,988 km (0.064 R)
• M11: 5,025,441 km (0.082 R)
• M12: 5,804,846 km (0.101 R)
• M13: 6,242,420 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 349.7

Radius: 9.1

Gravity: 4.22 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 3.12 AU - 3.36 AU

Year: 3956 Days

Day: 12.6 Hours

Environment

Temp: -211 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 53,444,913 km

• M1: 113,246 km (0.03 R)
• M2: 593,455 km (0.059 R)
• M3: 948,899 km (0.095 R)
• M4: 1,397,693 km (0.072 R)
• M5: 1,826,440 km (0.097 R)
• M6: 2,231,103 km (0.07 R)
• M7: 2,648,780 km (0.075 R)
• M8: 2,999,886 km (0.073 R)
• M9: 3,528,864 km (0.111 R)
• M10: 4,202,204 km (0.03 R)
• M11: 4,614,496 km (0.111 R)
• M12: 5,419,632 km (0.113 R)
• M13: 5,961,924 km (0.106 R)
• M14: 7,936,616 km (0.091 R)
• M15: 8,808,921 km (0.086 R)
• M16: 10,158,593 km (0.095 R)
• M17: 10,624,441 km (0.112 R)
• M18: 11,308,851 km (0.056 R)
• M19: 14,008,494 km (0.106 R)
• M20: 14,635,010 km (0.079 R)
• M21: 15,330,341 km (0.09 R)
• M22: 19,024,660 km (0.101 R)
• M23: 19,733,006 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 863.6

Radius: 12.6

Gravity: 5.44 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 2.97 AU - 4.15 AU

Year: 4556 Days

Day: 11.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 53,444,913 km

• M1: 156,779 km (0.11 R)
• M2: 552,615 km (0.074 R)
• M3: 1,591,721 km (0.042 R)
• M4: 2,213,151 km (0.085 R)
• M5: 2,992,107 km (0.054 R)
• M6: 4,986,396 km (0.059 R)
• M7: 6,077,264 km (0.103 R)
• M8: 9,289,579 km (0.066 R)
• M9: 9,705,162 km (0.113 R)
• M10: 10,799,171 km (0.104 R)
• M11: 11,925,194 km (0.102 R)
• M12: 12,617,234 km (0.036 R)
• M13: 14,299,911 km (0.081 R)
• M14: 15,309,846 km (0.096 R)
• M15: 19,087,641 km (0.097 R)
• M16: 21,587,122 km (0.082 R)
• M17: 23,522,919 km (0.093 R)
• M18: 28,776,946 km (0.099 R)
• M19: 30,567,183 km (0.074 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 321.9

Radius: 14.6

Gravity: 1.51 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 3.96 AU - 6.12 AU

Year: 7674 Days

Day: 12.1 Hours

Environment

Temp: -214 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 53,444,913 km

• M1: 181,612 km (0.111 R)
• M2: 892,950 km (0.06 R)
• M3: 1,359,545 km (0.099 R)
• M4: 2,023,760 km (0.119 R)
• M5: 2,482,427 km (0.119 R)
• M6: 3,573,295 km (0.047 R)
• M7: 4,423,459 km (0.116 R)
• M8: 5,153,647 km (0.087 R)
• M9: 5,693,994 km (0.094 R)
• M10: 6,723,228 km (0.079 R)
• M11: 7,690,827 km (0.117 R)
• M12: 9,355,552 km (0.111 R)
• M13: 10,251,044 km (0.094 R)
• M14: 10,833,579 km (0.094 R)
• M15: 11,485,526 km (0.045 R)
• M16: 15,493,103 km (0.074 R)
• M17: 16,808,218 km (0.073 R)
• M18: 17,430,097 km (0.067 R)
• M19: 18,326,487 km (0.077 R)
• M20: 18,852,473 km (0.084 R)
• M21: 22,000,910 km (0.108 R)
• M22: 22,745,608 km (0.077 R)
• M23: 23,893,922 km (0.111 R)
• M24: 26,639,790 km (0.119 R)
• M25: 29,950,840 km (0.08 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 751.6

Radius: 7.6

Gravity: 13.01 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 6.03 AU - 6.97 AU

Year: 11240 Days

Day: 22.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 53,444,913 km

• M1: 115,340 km (0.075 R)
• M2: 416,181 km (0.103 R)
• M3: 702,212 km (0.102 R)
• M4: 1,699,282 km (0.09 R)
• M5: 1,977,085 km (0.115 R)
• M6: 3,022,027 km (0.038 R)
• M7: 4,485,991 km (0.099 R)
• M8: 5,186,558 km (0.117 R)
• M9: 5,704,466 km (0.07 R)
• M10: 7,509,813 km (0.117 R)
• M11: 8,356,088 km (0.107 R)
• M12: 11,219,541 km (0.046 R)
• M13: 11,733,859 km (0.119 R)
• M14: 13,371,207 km (0.119 R)
• M15: 14,410,314 km (0.094 R)
• M16: 15,155,311 km (0.088 R)
• M17: 15,572,390 km (0.111 R)
• M18: 17,544,539 km (0.108 R)
• M19: 20,425,196 km (0.108 R)
• M20: 22,963,722 km (0.069 R)
• M21: 24,736,457 km (0.11 R)
• M22: 25,121,073 km (0.111 R)
• M23: 26,099,742 km (0.119 R)
• M24: 26,799,860 km (0.091 R)
• M25: 34,504,001 km (0.085 R)
• M26: 35,104,936 km (0.113 R)
• M27: 42,593,356 km (0.096 R)
• M28: 44,689,970 km (0.051 R)
• M29: 49,239,092 km (0.109 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 180 - 12,074 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit