🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 897.2

Radius: 11.8

Gravity: 6.44 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 0.85 AU - 0.95 AU

Year: 600 Days

Day: 8.6 Hours

Environment

Temp: -174 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 53,034,178 km

• M1: 147,204 km (0.08 R)
• M2: 572,960 km (0.109 R)
• M3: 1,269,338 km (0.065 R)
• M4: 1,694,645 km (0.073 R)
• M5: 2,457,295 km (0.119 R)
• M6: 2,912,222 km (0.053 R)
• M7: 3,384,053 km (0.12 R)
• M8: 4,434,978 km (0.116 R)
• M9: 5,326,133 km (0.096 R)
• M10: 6,433,905 km (0.047 R)
• M11: 6,807,302 km (0.087 R)
• M12: 7,261,331 km (0.075 R)
• M13: 7,851,345 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 4.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 62.8

Radius: 11.9

Gravity: 0.44 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 3.72 AU - 4.8 AU

Year: 6180 Days

Day: 13.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 53,034,178 km

• M1: 148,102 km (0.062 R)
• M2: 1,157,140 km (0.057 R)
• M3: 1,582,446 km (0.11 R)
• M4: 2,307,098 km (0.1 R)
• M5: 2,861,508 km (0.057 R)
• M6: 3,796,794 km (0.107 R)
• M7: 4,493,322 km (0.113 R)
• M8: 5,317,905 km (0.117 R)
• M9: 6,240,774 km (0.052 R)
• M10: 9,454,137 km (0.025 R)
• M11: 13,009,330 km (0.103 R)
• M12: 15,450,318 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 157.4

Radius: 13.1

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 4.18 AU - 4.76 AU

Year: 6643 Days

Day: 10.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 53,034,178 km

• M1: 163,062 km (0.109 R)
• M2: 655,239 km (0.07 R)
• M3: 1,604,437 km (0.117 R)
• M4: 3,410,532 km (0.097 R)
• M5: 4,836,948 km (0.08 R)
• M6: 5,979,726 km (0.116 R)
• M7: 7,139,858 km (0.109 R)
• M8: 7,611,839 km (0.11 R)
• M9: 8,171,933 km (0.113 R)
• M10: 10,136,004 km (0.078 R)
• M11: 11,566,459 km (0.104 R)
• M12: 12,487,084 km (0.068 R)
• M13: 13,503,302 km (0.057 R)
• M14: 14,080,451 km (0.069 R)
• M15: 14,623,940 km (0.115 R)
• M16: 15,805,613 km (0.084 R)
• M17: 20,351,743 km (0.081 R)
• M18: 21,562,887 km (0.088 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 383.2

Radius: 6.7

Gravity: 8.54 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 5.3 AU - 8.6 AU

Year: 12879 Days

Day: 15.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 53,034,178 km

• M1: 198,217 km (0.103 R)
• M2: 593,904 km (0.091 R)
• M3: 1,343,389 km (0.027 R)
• M4: 1,670,709 km (0.078 R)
• M5: 1,983,069 km (0.107 R)
• M6: 3,092,637 km (0.097 R)
• M7: 4,251,571 km (0.081 R)
• M8: 5,341,841 km (0.079 R)
• M9: 6,165,377 km (0.118 R)
• M10: 6,569,890 km (0.113 R)
• M11: 7,031,250 km (0.099 R)
• M12: 10,163,829 km (0.105 R)
• M13: 11,586,804 km (0.098 R)
• M14: 11,920,258 km (0.086 R)
• M15: 13,018,456 km (0.112 R)
• M16: 13,807,734 km (0.093 R)
• M17: 14,628,428 km (0.106 R)
• M18: 18,387,972 km (0.108 R)
• M19: 26,575,613 km (0.075 R)
• M20: 30,288,183 km (0.079 R)
• M21: 37,259,594 km (0.076 R)

Asteroid Belt

Center: 7.35 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Ice Giant

Semi-Major Axis: 7.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 403.4

Radius: 4.9

Gravity: 16.8 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 6.16 AU - 9.34 AU

Year: 15166 Days

Day: 15.3 Hours

Environment

Temp: -234 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 53,034,178 km

• M1: 61,485 km (0.116 R)
• M2: 236,215 km (0.045 R)
• M3: 484,697 km (0.074 R)
• M4: 680,521 km (0.093 R)
• M5: 1,024,596 km (0.078 R)
• M6: 1,287,290 km (0.114 R)
• M7: 1,716,636 km (0.049 R)
• M8: 2,052,483 km (0.069 R)
• M9: 5,560,852 km (0.087 R)
• M10: 7,212,562 km (0.095 R)
• M11: 7,992,117 km (0.084 R)
• M12: 8,264,086 km (0.105 R)
• M13: 9,116,943 km (0.077 R)
• M14: 9,514,125 km (0.063 R)
• M15: 9,871,215 km (0.097 R)
• M16: 13,306,731 km (0.061 R)
• M17: 15,709,721 km (0.074 R)
• M18: 15,922,150 km (0.074 R)
• M19: 25,686,104 km (0.034 R)
• M20: 26,677,938 km (0.095 R)
• M21: 27,489,506 km (0.105 R)
• M22: 30,459,922 km (0.037 R)
• M23: 30,790,383 km (0.068 R)
• M24: 33,754,815 km (0.082 R)
• M25: 35,306,145 km (0.08 R)
• M26: 36,779,534 km (0.11 R)
• M27: 42,807,879 km (0.116 R)
• M28: 46,635,939 km (0.12 R)
• M29: 48,258,777 km (0.095 R)
• M30: 50,224,792 km (0.033 R)
• M31: 51,149,906 km (0.064 R)
• M32: 51,929,460 km (0.113 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 512 - 14,425 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit