🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 759.8

Radius: 8.6

Gravity: 10.27 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 0.54 AU - 0.6 AU

Year: 297 Days

Day: 10.8 Hours

Environment

Temp: -145 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 37,323,890 km

• M1: 106,962 km (0.091 R)
• M2: 418,276 km (0.12 R)
• M3: 780,153 km (0.104 R)
• M4: 1,210,247 km (0.083 R)
• M5: 1,865,186 km (0.108 R)
• M6: 2,400,597 km (0.106 R)
• M7: 2,953,810 km (0.093 R)
• M8: 3,430,878 km (0.069 R)
• M9: 4,108,107 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 569.8

Radius: 11

Gravity: 4.71 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 0.57 AU - 0.65 AU

Year: 329 Days

Day: 14.6 Hours

Environment

Temp: -159 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 37,323,890 km

• M1: 136,732 km (0.105 R)
• M2: 639,680 km (0.045 R)
• M3: 1,077,853 km (0.091 R)
• M4: 1,690,306 km (0.046 R)
• M5: 2,115,763 km (0.074 R)
• M6: 2,667,330 km (0.076 R)
• M7: 3,270,509 km (0.118 R)
• M8: 3,783,779 km (0.085 R)
• M9: 4,507,085 km (0.047 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 29

Radius: 8.8

Gravity: 0.37 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 0.95 AU - 1.09 AU

Year: 711 Days

Day: 7.4 Hours

Environment

Temp: -171 °C

Axial Tilt: 48.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 37,323,890 km

• M1: 109,655 km (0.09 R)
• M2: 583,432 km (0.12 R)
• M3: 1,428,360 km (0.085 R)
• M4: 1,957,039 km (0.113 R)
• M5: 2,392,818 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 736.8

Radius: 10.8

Gravity: 6.32 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 1.06 AU - 1.16 AU

Year: 807 Days

Day: 12.4 Hours

Environment

Temp: -178 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 37,323,890 km

• M1: 134,488 km (0.049 R)
• M2: 622,477 km (0.069 R)
• M3: 991,385 km (0.104 R)
• M4: 1,549,684 km (0.11 R)
• M5: 1,916,199 km (0.053 R)
• M6: 2,537,329 km (0.047 R)
• M7: 4,814,508 km (0.055 R)
• M8: 5,549,183 km (0.097 R)
• M9: 7,218,696 km (0.103 R)
• M10: 8,746,090 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 515.7

Radius: 13

Gravity: 3.05 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 1.89 AU - 2.53 AU

Year: 2268 Days

Day: 6.9 Hours

Environment

Temp: -208 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 37,323,890 km

• M1: 161,715 km (0.089 R)
• M2: 759,808 km (0.117 R)
• M3: 1,260,063 km (0.118 R)
• M4: 2,004,462 km (0.094 R)
• M5: 2,950,968 km (0.071 R)
• M6: 4,409,696 km (0.104 R)
• M7: 5,883,385 km (0.117 R)
• M8: 7,605,705 km (0.084 R)
• M9: 8,567,620 km (0.117 R)
• M10: 9,176,184 km (0.094 R)
• M11: 11,441,096 km (0.069 R)
• M12: 14,498,876 km (0.062 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 605.7

Radius: 10.1

Gravity: 5.94 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 2.79 AU - 3.13 AU

Year: 3515 Days

Day: 6.5 Hours

Environment

Temp: -204 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 37,323,890 km

• M1: 130,300 km (0.102 R)
• M2: 554,559 km (0.086 R)
• M3: 879,336 km (0.107 R)
• M4: 1,988,604 km (0.093 R)
• M5: 3,896,576 km (0.048 R)
• M6: 4,618,236 km (0.027 R)
• M7: 5,769,990 km (0.107 R)
• M8: 7,010,605 km (0.115 R)
• M9: 7,875,580 km (0.052 R)
• M10: 8,351,301 km (0.038 R)
• M11: 8,954,779 km (0.102 R)
• M12: 9,548,982 km (0.104 R)
• M13: 9,894,553 km (0.099 R)
• M14: 11,319,024 km (0.086 R)
• M15: 14,671,662 km (0.099 R)
• M16: 15,392,723 km (0.091 R)
• M17: 17,929,454 km (0.119 R)
• M18: 20,477,854 km (0.105 R)
• M19: 21,443,808 km (0.117 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 720.6

Radius: 11.8

Gravity: 5.18 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 3.42 AU - 5.68 AU

Year: 6699 Days

Day: 10.7 Hours

Environment

Temp: -229 °C

Axial Tilt: 158.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 37,323,890 km

• M1: 147,803 km (0.12 R)
• M2: 526,585 km (0.087 R)
• M3: 1,062,893 km (0.057 R)
• M4: 1,954,496 km (0.11 R)
• M5: 2,653,268 km (0.071 R)
• M6: 3,765,378 km (0.076 R)
• M7: 4,258,303 km (0.064 R)
• M8: 6,640,799 km (0.108 R)
• M9: 7,177,706 km (0.117 R)
• M10: 8,794,410 km (0.11 R)
• M11: 9,576,208 km (0.049 R)
• M12: 10,546,201 km (0.058 R)
• M13: 12,735,267 km (0.082 R)
• M14: 14,197,287 km (0.066 R)
• M15: 16,083,117 km (0.093 R)
• M16: 18,406,971 km (0.107 R)
• M17: 19,324,604 km (0.07 R)
• M18: 24,459,551 km (0.09 R)
• M19: 25,481,903 km (0.077 R)
• M20: 28,813,896 km (0.115 R)
• M21: 29,190,584 km (0.12 R)
• M22: 30,535,319 km (0.067 R)
• M23: 32,324,360 km (0.114 R)
• M24: 33,972,480 km (0.074 R)
• M25: 35,244,810 km (0.088 R)
• M26: 36,329,095 km (0.093 R)
• M27: 36,990,317 km (0.048 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: 355 - 15,500 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit