🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 849.9

Radius: 9.3

Gravity: 9.83 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 0.45 AU - 0.61 AU

Year: 262 Days

Day: 14.6 Hours

Environment

Temp: -147 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 61,414,690 km

• M1: 115,639 km (0.094 R)
• M2: 482,304 km (0.085 R)
• M3: 808,427 km (0.1 R)
• M4: 1,119,890 km (0.075 R)
• M5: 1,470,397 km (0.114 R)
• M6: 1,901,239 km (0.058 R)
• M7: 2,355,568 km (0.109 R)
• M8: 3,203,339 km (0.107 R)
• M9: 3,527,368 km (0.07 R)
• M10: 3,969,280 km (0.044 R)
• M11: 4,267,130 km (0.071 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 455.3

Radius: 9

Gravity: 5.62 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 0.51 AU - 0.57 AU

Year: 269 Days

Day: 12 Hours

Environment

Temp: -152 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 61,414,690 km

• M1: 111,899 km (0.115 R)
• M2: 411,993 km (0.119 R)
• M3: 758,910 km (0.057 R)
• M4: 1,293,722 km (0.096 R)
• M5: 1,577,061 km (0.083 R)
• M6: 1,971,102 km (0.054 R)
• M7: 2,295,579 km (0.082 R)
• M8: 2,760,230 km (0.065 R)
• M9: 3,542,478 km (0.066 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 690.9

Radius: 14.8

Gravity: 3.15 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 0.53 AU - 0.69 AU

Year: 323 Days

Day: 14.1 Hours

Environment

Temp: -142 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 61,414,690 km

• M1: 184,005 km (0.04 R)
• M2: 661,971 km (0.047 R)
• M3: 1,564,046 km (0.077 R)
• M4: 2,163,784 km (0.057 R)
• M5: 2,632,025 km (0.084 R)
• M6: 3,263,627 km (0.119 R)
• M7: 4,348,810 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 256.6

Radius: 9.7

Gravity: 2.73 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 0.87 AU - 1.37 AU

Year: 804 Days

Day: 11.2 Hours

Environment

Temp: -181 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 61,414,690 km

• M1: 121,623 km (0.087 R)
• M2: 509,830 km (0.107 R)
• M3: 988,393 km (0.104 R)
• M4: 1,655,151 km (0.099 R)
• M5: 2,390,574 km (0.112 R)
• M6: 2,838,620 km (0.08 R)
• M7: 3,539,635 km (0.084 R)
• M8: 3,917,669 km (0.075 R)
• M9: 4,740,158 km (0.115 R)
• M10: 5,151,702 km (0.054 R)
• M11: 5,467,353 km (0.083 R)
• M12: 5,849,127 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 960.4

Radius: 8.7

Gravity: 12.69 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 1.88 AU - 1.94 AU

Year: 1790 Days

Day: 9.5 Hours

Environment

Temp: -200 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 61,414,690 km

• M1: 108,309 km (0.04 R)
• M2: 385,663 km (0.069 R)
• M3: 668,254 km (0.088 R)
• M4: 1,275,322 km (0.098 R)
• M5: 1,590,375 km (0.11 R)
• M6: 2,040,066 km (0.027 R)
• M7: 2,315,027 km (0.113 R)
• M8: 2,629,183 km (0.111 R)
• M9: 3,784,228 km (0.113 R)
• M10: 4,485,094 km (0.069 R)
• M11: 5,133,152 km (0.114 R)
• M12: 5,817,412 km (0.082 R)
• M13: 6,428,669 km (0.058 R)
• M14: 7,659,561 km (0.049 R)
• M15: 8,082,474 km (0.056 R)
• M16: 9,547,635 km (0.068 R)
• M17: 9,895,899 km (0.093 R)
• M18: 10,581,057 km (0.11 R)
• M19: 11,220,588 km (0.038 R)
• M20: 16,143,705 km (0.081 R)
• M21: 16,991,027 km (0.12 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 67

Radius: 10.8

Gravity: 0.57 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 1.5 AU - 2.36 AU

Year: 1819 Days

Day: 9.6 Hours

Environment

Temp: -207 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 61,414,690 km

• M1: 134,339 km (0.104 R)
• M2: 4,039,442 km (0.068 R)
• M3: 4,604,323 km (0.046 R)
• M4: 5,103,531 km (0.099 R)
• M5: 6,191,706 km (0.07 R)
• M6: 6,841,559 km (0.119 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 672.2

Radius: 10.8

Gravity: 5.76 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 1.87 AU - 2.91 AU

Year: 2506 Days

Day: 13.9 Hours

Environment

Temp: -199 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 61,414,690 km

• M1: 134,339 km (0.069 R)
• M2: 564,882 km (0.094 R)
• M3: 1,011,431 km (0.104 R)
• M4: 1,355,656 km (0.074 R)
• M5: 1,703,172 km (0.118 R)
• M6: 3,507,023 km (0.112 R)
• M7: 4,835,003 km (0.114 R)
• M8: 5,489,943 km (0.031 R)
• M9: 6,203,225 km (0.097 R)
• M10: 7,357,672 km (0.11 R)
• M11: 10,124,933 km (0.118 R)
• M12: 12,771,469 km (0.112 R)

Asteroid Belt

Center: 3.59 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 4.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 725.8

Radius: 10.3

Gravity: 6.84 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 3.62 AU - 5.94 AU

Year: 7088 Days

Day: 5.3 Hours

Environment

Temp: -218 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 61,414,690 km

• M1: 144,362 km (0.11 R)
• M2: 650,152 km (0.075 R)
• M3: 987,196 km (0.109 R)
• M4: 1,457,233 km (0.053 R)
• M5: 1,995,486 km (0.087 R)
• M6: 2,337,616 km (0.035 R)
• M7: 2,855,674 km (0.108 R)
• M8: 3,632,984 km (0.117 R)
• M9: 5,294,568 km (0.12 R)
• M10: 6,090,578 km (0.097 R)
• M11: 6,711,559 km (0.116 R)
• M12: 7,074,633 km (0.107 R)
• M13: 7,959,654 km (0.037 R)
• M14: 9,003,398 km (0.11 R)
• M15: 9,626,473 km (0.073 R)
• M16: 10,958,942 km (0.08 R)
• M17: 12,627,855 km (0.115 R)
• M18: 13,523,049 km (0.063 R)
• M19: 15,377,165 km (0.096 R)
• M20: 16,332,497 km (0.104 R)
• M21: 18,291,332 km (0.067 R)
• M22: 21,243,346 km (0.115 R)
• M23: 23,489,558 km (0.104 R)
• M24: 29,498,755 km (0.087 R)
• M25: 29,886,962 km (0.102 R)
• M26: 31,574,725 km (0.104 R)
• M27: 33,325,170 km (0.054 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 310.4

Radius: 4.6

Gravity: 14.67 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 8.44 AU - 11.62 AU

Year: 21545 Days

Day: 19.2 Hours

Environment

Temp: -227 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 61,414,690 km

• M1: 57,745 km (0.075 R)
• M2: 308,471 km (0.087 R)
• M3: 601,383 km (0.037 R)
• M4: 1,225,057 km (0.062 R)
• M5: 1,885,083 km (0.118 R)
• M6: 2,802,267 km (0.045 R)
• M7: 5,648,367 km (0.059 R)
• M8: 5,913,454 km (0.076 R)
• M9: 6,306,298 km (0.12 R)
• M10: 8,536,055 km (0.104 R)
• M11: 9,140,280 km (0.087 R)
• M12: 9,826,486 km (0.078 R)
• M13: 11,241,682 km (0.05 R)
• M14: 11,905,298 km (0.079 R)
• M15: 14,751,248 km (0.091 R)
• M16: 19,778,634 km (0.11 R)
• M17: 26,358,846 km (0.072 R)
• M18: 27,959,992 km (0.109 R)
• M19: 28,618,222 km (0.088 R)
• M20: 29,624,717 km (0.032 R)
• M21: 30,886,874 km (0.104 R)
• M22: 31,945,877 km (0.119 R)
• M23: 40,740,587 km (0.104 R)
• M24: 59,232,230 km (0.1 R)
• M25: 61,230,857 km (0.068 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 343 - 17,376 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit