🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

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: 855

Radius: 8.9

Gravity: 10.79 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 0.54 AU - 0.66 AU

Year: 327 Days

Day: 8 Hours

Environment

Temp: -153 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 48,623,361 km

• M1: 110,702 km (0.075 R)
• M2: 458,817 km (0.113 R)
• M3: 840,890 km (0.117 R)
• M4: 1,198,279 km (0.096 R)
• M5: 1,496,278 km (0.089 R)
• M6: 2,368,433 km (0.079 R)
• M7: 2,656,409 km (0.091 R)
• M8: 3,095,180 km (0.072 R)
• M9: 3,925,299 km (0.057 R)
• M10: 4,290,766 km (0.06 R)
• M11: 4,794,163 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 528.9

Radius: 14.5

Gravity: 2.52 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 1.57 AU - 2.25 AU

Year: 1855 Days

Day: 9 Hours

Environment

Temp: -203 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 48,623,361 km

• M1: 180,415 km (0.101 R)
• M2: 949,348 km (0.11 R)
• M3: 1,441,974 km (0.099 R)
• M4: 1,945,969 km (0.092 R)
• M5: 2,429,320 km (0.087 R)
• M6: 2,907,883 km (0.06 R)
• M7: 3,498,047 km (0.088 R)
• M8: 4,820,492 km (0.071 R)
• M9: 5,408,711 km (0.062 R)
• M10: 6,021,015 km (0.107 R)
• M11: 7,250,859 km (0.094 R)
• M12: 7,826,811 km (0.067 R)
• M13: 8,612,200 km (0.119 R)
• M14: 9,133,399 km (0.04 R)
• M15: 10,272,886 km (0.049 R)
• M16: 11,468,771 km (0.055 R)
• M17: 12,062,824 km (0.077 R)
• M18: 13,474,729 km (0.089 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 963.3

Radius: 8.1

Gravity: 14.68 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 3.47 AU - 4.43 AU

Year: 5518 Days

Day: 9.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 48,623,361 km

• M1: 100,829 km (0.054 R)
• M2: 363,822 km (0.095 R)
• M3: 858,243 km (0.118 R)
• M4: 1,606,083 km (0.062 R)
• M5: 2,062,057 km (0.097 R)
• M6: 2,389,377 km (0.079 R)
• M7: 2,675,857 km (0.097 R)
• M8: 3,169,829 km (0.081 R)
• M9: 4,060,385 km (0.117 R)
• M10: 4,365,415 km (0.043 R)
• M11: 4,740,757 km (0.088 R)
• M12: 6,226,712 km (0.119 R)
• M13: 6,495,988 km (0.114 R)
• M14: 7,766,822 km (0.095 R)
• M15: 9,995,083 km (0.088 R)
• M16: 10,648,227 km (0.095 R)
• M17: 11,034,189 km (0.106 R)
• M18: 11,429,277 km (0.105 R)
• M19: 13,492,382 km (0.113 R)
• M20: 13,944,317 km (0.096 R)
• M21: 14,582,352 km (0.093 R)
• M22: 15,978,997 km (0.073 R)
• M23: 17,330,016 km (0.033 R)
• M24: 18,895,408 km (0.111 R)
• M25: 21,993,281 km (0.074 R)
• M26: 22,857,358 km (0.064 R)
• M27: 25,074,099 km (0.051 R)
• M28: 28,801,031 km (0.118 R)
• M29: 30,121,082 km (0.1 R)
• M30: 31,088,382 km (0.119 R)
• M31: 34,532,275 km (0.1 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 755.7

Radius: 6.9

Gravity: 15.87 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 4.7 AU - 7.8 AU

Year: 10983 Days

Day: 18.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 48,623,361 km

• M1: 85,869 km (0.111 R)
• M2: 424,559 km (0.109 R)
• M3: 654,042 km (0.072 R)
• M4: 1,653,954 km (0.046 R)
• M5: 2,191,459 km (0.118 R)
• M6: 2,795,535 km (0.051 R)
• M7: 3,113,132 km (0.085 R)
• M8: 3,354,583 km (0.101 R)
• M9: 4,098,084 km (0.066 R)
• M10: 5,412,451 km (0.118 R)
• M11: 6,586,944 km (0.071 R)
• M12: 7,275,692 km (0.087 R)
• M13: 7,615,878 km (0.117 R)
• M14: 8,559,990 km (0.064 R)
• M15: 8,795,756 km (0.096 R)
• M16: 10,569,987 km (0.108 R)
• M17: 11,006,813 km (0.098 R)
• M18: 15,705,682 km (0.084 R)
• M19: 16,783,236 km (0.103 R)
• M20: 17,680,224 km (0.03 R)
• M21: 18,451,850 km (0.094 R)
• M22: 21,502,450 km (0.104 R)
• M23: 24,023,174 km (0.08 R)
• M24: 24,969,231 km (0.086 R)
• M25: 27,036,374 km (0.097 R)
• M26: 29,858,239 km (0.098 R)
• M27: 32,070,941 km (0.032 R)
• M28: 33,566,471 km (0.088 R)
• M29: 34,628,616 km (0.051 R)
• M30: 35,591,428 km (0.049 R)
• M31: 41,208,080 km (0.076 R)
• M32: 42,836,453 km (0.109 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 456.2

Radius: 5

Gravity: 18.25 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 6.37 AU - 7.27 AU

Year: 12519 Days

Day: 15.9 Hours

Environment

Temp: -222 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 48,623,361 km

• M1: 62,532 km (0.096 R)
• M2: 313,557 km (0.07 R)
• M3: 480,508 km (0.108 R)
• M4: 1,296,266 km (0.109 R)
• M5: 1,623,735 km (0.053 R)
• M6: 1,823,299 km (0.108 R)
• M7: 2,462,531 km (0.106 R)
• M8: 2,747,963 km (0.117 R)
• M9: 3,312,097 km (0.083 R)
• M10: 3,507,920 km (0.115 R)
• M11: 4,255,461 km (0.088 R)
• M12: 6,316,321 km (0.088 R)
• M13: 7,923,152 km (0.096 R)
• M14: 9,342,387 km (0.078 R)
• M15: 10,603,946 km (0.107 R)
• M16: 12,147,048 km (0.103 R)
• M17: 19,660,601 km (0.099 R)
• M18: 20,222,939 km (0.099 R)
• M19: 24,004,774 km (0.079 R)
• M20: 32,818,033 km (0.076 R)
• M21: 34,993,336 km (0.087 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: 203 - 12,956 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit