🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.97 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.53

Radius: 1.83

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 0.81 AU - 1.13 AU

Year: 360 Days

Day: 13.7 Hours

Environment

Temp: 11 °C

Axial Tilt: 14.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 43,433,937 km

• M1: 44,131 km (0.068 R)

Planet 2 - Terrestrial

Semi-Major Axis: 3.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.47

Radius: 0.74

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 3.5 AU - 3.72 AU

Year: 2584 Days

Day: 18.5 Hours

Environment

Temp: -131 °C

Axial Tilt: 39 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 43,433,937 km

• M1: 24,534 km (0.101 R)

Asteroid Belt

Center: 4.52 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 5.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 933.8

Radius: 8

Gravity: 14.59 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 4.19 AU - 6.67 AU

Year: 4767 Days

Day: 6.4 Hours

Environment

Temp: -147 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 43,433,937 km

• M1: 99,483 km (0.093 R)
• M2: 369,956 km (0.1 R)
• M3: 1,053,468 km (0.085 R)
• M4: 1,348,026 km (0.08 R)
• M5: 2,017,477 km (0.062 R)
• M6: 2,581,461 km (0.091 R)
• M7: 3,652,881 km (0.073 R)
• M8: 4,021,041 km (0.104 R)
• M9: 4,288,223 km (0.072 R)
• M10: 4,567,522 km (0.066 R)
• M11: 4,831,712 km (0.12 R)
• M12: 6,214,146 km (0.115 R)
• M13: 8,654,985 km (0.056 R)
• M14: 9,185,309 km (0.117 R)
• M15: 9,650,708 km (0.047 R)
• M16: 10,355,763 km (0.052 R)
• M17: 10,674,855 km (0.105 R)
• M18: 11,284,766 km (0.09 R)
• M19: 11,574,088 km (0.118 R)
• M20: 14,404,929 km (0.069 R)
• M21: 14,917,900 km (0.051 R)
• M22: 16,345,213 km (0.045 R)
• M23: 17,092,006 km (0.085 R)
• M24: 18,122,884 km (0.117 R)
• M25: 19,469,116 km (0.091 R)
• M26: 21,537,605 km (0.095 R)
• M27: 27,820,417 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 859.3

Radius: 8.6

Gravity: 11.62 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 4.88 AU - 6.14 AU

Year: 4873 Days

Day: 5.2 Hours

Environment

Temp: -151 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 43,433,937 km

• M1: 106,962 km (0.119 R)
• M2: 475,272 km (0.069 R)
• M3: 985,700 km (0.051 R)
• M4: 1,498,372 km (0.076 R)
• M5: 2,148,824 km (0.096 R)
• M6: 2,843,108 km (0.104 R)
• M7: 3,837,335 km (0.069 R)
• M8: 4,618,685 km (0.117 R)
• M9: 5,242,957 km (0.077 R)
• M10: 6,461,282 km (0.043 R)
• M11: 7,821,276 km (0.033 R)
• M12: 8,431,037 km (0.088 R)
• M13: 8,827,920 km (0.099 R)
• M14: 9,488,993 km (0.094 R)
• M15: 10,770,747 km (0.056 R)
• M16: 11,429,277 km (0.1 R)
• M17: 12,517,901 km (0.028 R)
• M18: 14,785,655 km (0.097 R)
• M19: 15,956,258 km (0.076 R)
• M20: 27,806,953 km (0.076 R)
• M21: 30,595,906 km (0.074 R)
• M22: 31,628,879 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 115.2

Radius: 14.4

Gravity: 0.56 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 5.6 AU - 6.7 AU

Year: 5746 Days

Day: 14.4 Hours

Environment

Temp: -153 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 43,433,937 km

• M1: 181,013 km (0.09 R)
• M2: 663,018 km (0.119 R)
• M3: 2,361,851 km (0.036 R)
• M4: 3,341,867 km (0.077 R)
• M5: 4,536,256 km (0.073 R)
• M6: 6,310,188 km (0.102 R)
• M7: 7,726,580 km (0.104 R)
• M8: 9,242,755 km (0.061 R)
• M9: 10,125,981 km (0.089 R)
• M10: 10,644,936 km (0.1 R)
• M11: 11,103,752 km (0.105 R)
• M12: 12,560,387 km (0.097 R)
• M13: 13,116,592 km (0.04 R)
• M14: 14,509,647 km (0.12 R)
• M15: 16,349,402 km (0.081 R)
• M16: 16,807,022 km (0.063 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 714.7

Radius: 8.5

Gravity: 9.89 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 7.19 AU - 8.71 AU

Year: 8445 Days

Day: 11.2 Hours

Environment

Temp: -162 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 43,433,937 km

• M1: 106,663 km (0.11 R)
• M2: 667,954 km (0.049 R)
• M3: 1,067,082 km (0.115 R)
• M4: 1,764,058 km (0.101 R)
• M5: 2,695,754 km (0.082 R)
• M6: 3,479,048 km (0.119 R)
• M7: 4,490,330 km (0.108 R)
• M8: 4,778,605 km (0.037 R)
• M9: 5,141,080 km (0.059 R)
• M10: 6,058,564 km (0.092 R)
• M11: 7,042,619 km (0.092 R)
• M12: 7,920,459 km (0.113 R)
• M13: 8,780,049 km (0.1 R)
• M14: 9,417,934 km (0.071 R)
• M15: 9,988,799 km (0.111 R)
• M16: 11,570,797 km (0.116 R)
• M17: 12,337,336 km (0.099 R)
• M18: 13,910,657 km (0.104 R)
• M19: 15,810,700 km (0.112 R)
• M20: 16,617,182 km (0.106 R)
• M21: 16,891,993 km (0.074 R)
• M22: 17,521,351 km (0.092 R)
• M23: 19,125,789 km (0.045 R)
• M24: 19,503,673 km (0.057 R)
• M25: 20,352,491 km (0.067 R)
• M26: 26,155,093 km (0.105 R)
• M27: 31,064,447 km (0.116 R)
• M28: 31,692,010 km (0.113 R)
• M29: 32,864,408 km (0.092 R)
• M30: 38,081,484 km (0.089 R)
• M31: 38,800,302 km (0.037 R)
• M32: 39,284,401 km (0.048 R)
• M33: 41,513,260 km (0.115 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 200 - 12,580 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit