🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 45

Radius: 10.9

Gravity: 0.38 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 0.72 AU - 0.74 AU

Year: 416 Days

Day: 11.4 Hours

Environment

Temp: -157 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 53,790,018 km

• M1: 135,984 km (0.073 R)
• M2: 579,991 km (0.083 R)
• M3: 1,014,274 km (0.039 R)
• M4: 1,463,965 km (0.037 R)
• M5: 1,998,179 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 809.6

Radius: 10.8

Gravity: 6.94 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.63 AU - 0.99 AU

Year: 486 Days

Day: 8.6 Hours

Environment

Temp: -157 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 53,790,018 km

• M1: 134,339 km (0.092 R)
• M2: 486,043 km (0.094 R)
• M3: 922,271 km (0.095 R)
• M4: 1,425,219 km (0.063 R)
• M5: 1,780,813 km (0.09 R)
• M6: 2,142,092 km (0.115 R)
• M7: 2,482,277 km (0.114 R)
• M8: 3,015,743 km (0.068 R)
• M9: 3,876,380 km (0.113 R)
• M10: 4,401,469 km (0.083 R)
• M11: 5,022,001 km (0.103 R)
• M12: 5,490,391 km (0.093 R)
• M13: 5,842,694 km (0.055 R)
• M14: 6,515,137 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 357.7

Radius: 9.1

Gravity: 4.32 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 1.21 AU - 1.79 AU

Year: 1225 Days

Day: 10.4 Hours

Environment

Temp: -186 °C

Axial Tilt: 46.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 53,790,018 km

• M1: 113,246 km (0.119 R)
• M2: 486,193 km (0.088 R)
• M3: 987,795 km (0.06 R)
• M4: 1,282,054 km (0.093 R)
• M5: 1,721,423 km (0.029 R)
• M6: 2,084,946 km (0.098 R)
• M7: 2,579,366 km (0.11 R)
• M8: 3,163,696 km (0.116 R)
• M9: 5,610,070 km (0.087 R)
• M10: 6,202,178 km (0.1 R)
• M11: 6,925,933 km (0.1 R)
• M12: 7,680,504 km (0.049 R)
• M13: 8,672,937 km (0.051 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 150.4

Radius: 8.5

Gravity: 2.08 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 1.43 AU - 2.35 AU

Year: 1733 Days

Day: 8.6 Hours

Environment

Temp: -192 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 53,790,018 km

• M1: 105,766 km (0.108 R)
• M2: 577,897 km (0.083 R)
• M3: 857,196 km (0.105 R)
• M4: 1,176,438 km (0.118 R)
• M5: 1,519,914 km (0.042 R)
• M6: 2,590,138 km (0.05 R)
• M7: 3,434,618 km (0.037 R)
• M8: 4,144,759 km (0.101 R)
• M9: 5,276,466 km (0.087 R)
• M10: 6,055,722 km (0.102 R)
• M11: 6,754,643 km (0.072 R)
• M12: 7,021,825 km (0.098 R)
• M13: 8,037,594 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 989

Radius: 14.7

Gravity: 4.58 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 1.55 AU - 2.45 AU

Year: 1886 Days

Day: 8.9 Hours

Environment

Temp: -194 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 53,790,018 km

• M1: 182,809 km (0.109 R)
• M2: 958,474 km (0.088 R)
• M3: 1,434,195 km (0.063 R)
• M4: 1,967,362 km (0.069 R)
• M5: 3,021,877 km (0.078 R)
• M6: 3,605,757 km (0.106 R)
• M7: 5,679,034 km (0.1 R)
• M8: 6,231,649 km (0.117 R)
• M9: 6,958,844 km (0.11 R)
• M10: 8,877,437 km (0.115 R)
• M11: 10,121,194 km (0.076 R)
• M12: 12,825,624 km (0.115 R)
• M13: 14,230,797 km (0.1 R)
• M14: 15,065,104 km (0.069 R)
• M15: 15,931,724 km (0.05 R)
• M16: 17,293,963 km (0.086 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 401.8

Radius: 12.4

Gravity: 2.61 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 2.32 AU - 2.54 AU

Year: 2526 Days

Day: 14.9 Hours

Environment

Temp: -216 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 53,790,018 km

• M1: 154,535 km (0.088 R)
• M2: 574,456 km (0.094 R)
• M3: 1,305,690 km (0.113 R)
• M4: 1,802,804 km (0.09 R)
• M5: 3,365,952 km (0.071 R)
• M6: 4,698,720 km (0.094 R)
• M7: 5,147,214 km (0.116 R)
• M8: 5,934,248 km (0.039 R)
• M9: 7,632,035 km (0.061 R)
• M10: 9,168,405 km (0.061 R)
• M11: 9,566,036 km (0.071 R)
• M12: 10,325,095 km (0.098 R)
• M13: 10,792,140 km (0.055 R)
• M14: 11,538,484 km (0.087 R)
• M15: 12,120,569 km (0.118 R)
• M16: 13,555,063 km (0.101 R)
• M17: 14,646,978 km (0.11 R)
• M18: 15,054,183 km (0.113 R)
• M19: 15,702,540 km (0.107 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 78.2

Radius: 11.1

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 2.38 AU - 2.58 AU

Year: 2604 Days

Day: 13.5 Hours

Environment

Temp: -199 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 53,790,018 km

• M1: 139,425 km (0.096 R)
• M2: 542,143 km (0.083 R)
• M3: 1,089,820 km (0.118 R)
• M4: 1,529,339 km (0.073 R)
• M5: 2,037,822 km (0.095 R)
• M6: 2,752,002 km (0.089 R)
• M7: 3,234,755 km (0.12 R)
• M8: 3,640,614 km (0.112 R)
• M9: 4,338,189 km (0.054 R)
• M10: 5,012,875 km (0.063 R)
• M11: 6,061,257 km (0.059 R)
• M12: 6,770,500 km (0.096 R)
• M13: 7,273,299 km (0.08 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 442.9

Radius: 7.4

Gravity: 8.09 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 7.41 AU - 7.81 AU

Year: 13999 Days

Day: 16.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 53,790,018 km

• M1: 92,003 km (0.106 R)
• M2: 470,037 km (0.112 R)
• M3: 825,780 km (0.09 R)
• M4: 2,447,870 km (0.07 R)
• M5: 2,714,753 km (0.108 R)
• M6: 3,283,075 km (0.105 R)
• M7: 4,094,793 km (0.106 R)
• M8: 5,033,819 km (0.068 R)
• M9: 5,962,522 km (0.074 R)
• M10: 7,000,732 km (0.115 R)
• M11: 9,530,132 km (0.098 R)
• M12: 10,090,227 km (0.064 R)
• M13: 11,501,084 km (0.067 R)
• M14: 13,162,518 km (0.1 R)
• M15: 14,115,307 km (0.102 R)
• M16: 17,324,181 km (0.06 R)
• M17: 19,257,136 km (0.112 R)
• M18: 27,001,518 km (0.089 R)
• M19: 27,710,612 km (0.119 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 417.3

Radius: 6.8

Gravity: 9.02 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 7.31 AU - 8.79 AU

Year: 15231 Days

Day: 23.7 Hours

Environment

Temp: -238 °C

Axial Tilt: 137.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 53,790,018 km

• M1: 84,523 km (0.104 R)
• M2: 470,635 km (0.059 R)
• M3: 704,456 km (0.081 R)
• M4: 1,083,986 km (0.074 R)
• M5: 2,309,193 km (0.099 R)
• M6: 3,125,548 km (0.077 R)
• M7: 4,505,289 km (0.107 R)
• M8: 8,826,274 km (0.092 R)
• M9: 13,641,680 km (0.101 R)
• M10: 15,665,440 km (0.119 R)
• M11: 21,062,931 km (0.046 R)
• M12: 27,273,637 km (0.098 R)
• M13: 31,802,413 km (0.087 R)
• M14: 33,416,873 km (0.091 R)
• M15: 36,310,246 km (0.064 R)
• M16: 38,716,079 km (0.093 R)
• M17: 38,975,481 km (0.058 R)
• M18: 48,196,096 km (0.1 R)
• M19: 51,253,128 km (0.097 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 353 - 13,197 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit