🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 352.5

Radius: 13

Gravity: 2.09 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 0.39 AU - 0.63 AU

Year: 243 Days

Day: 14.7 Hours

Environment

Temp: -143 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 84,389,422 km

• M1: 161,715 km (0.106 R)
• M2: 601,832 km (0.094 R)
• M3: 1,009,786 km (0.116 R)
• M4: 1,442,273 km (0.11 R)
• M5: 2,001,171 km (0.098 R)
• M6: 2,490,356 km (0.063 R)
• M7: 2,988,965 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 134

Radius: 10.8

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 0.59 AU - 0.72 AU

Year: 349 Days

Day: 7.3 Hours

Environment

Temp: -154 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 84,389,422 km

• M1: 136,433 km (0.098 R)
• M2: 478,713 km (0.092 R)
• M3: 871,856 km (0.108 R)
• M4: 1,405,771 km (0.079 R)
• M5: 2,197,742 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 205.5

Radius: 9.7

Gravity: 2.18 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 0.94 AU - 1.32 AU

Year: 801 Days

Day: 12.2 Hours

Environment

Temp: -188 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 84,389,422 km

• M1: 120,725 km (0.112 R)
• M2: 601,533 km (0.09 R)
• M3: 990,338 km (0.111 R)
• M4: 1,506,151 km (0.077 R)
• M5: 2,167,673 km (0.117 R)
• M6: 2,674,960 km (0.105 R)
• M7: 3,011,854 km (0.105 R)
• M8: 3,927,991 km (0.072 R)
• M9: 4,850,113 km (0.111 R)
• M10: 5,468,999 km (0.105 R)
• M11: 5,806,342 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 456.9

Radius: 14.3

Gravity: 2.23 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 1.64 AU - 1.74 AU

Year: 1465 Days

Day: 6 Hours

Environment

Temp: -194 °C

Axial Tilt: 132.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 84,389,422 km

• M1: 184,903 km (0.089 R)
• M2: 730,636 km (0.107 R)
• M3: 2,002,667 km (0.118 R)
• M4: 2,703,234 km (0.119 R)
• M5: 3,325,411 km (0.065 R)
• M6: 4,955,280 km (0.103 R)
• M7: 6,002,016 km (0.066 R)
• M8: 8,230,426 km (0.101 R)
• M9: 10,349,629 km (0.098 R)
• M10: 10,899,102 km (0.109 R)
• M11: 11,570,348 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 974.8

Radius: 12.1

Gravity: 6.66 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 2.2 AU - 2.98 AU

Year: 2780 Days

Day: 12.2 Hours

Environment

Temp: -219 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 84,389,422 km

• M1: 173,234 km (0.082 R)
• M2: 754,123 km (0.113 R)
• M3: 1,278,164 km (0.099 R)
• M4: 1,792,781 km (0.094 R)
• M5: 3,194,363 km (0.098 R)
• M6: 4,308,867 km (0.049 R)
• M7: 5,127,467 km (0.055 R)
• M8: 6,889,431 km (0.068 R)
• M9: 8,629,703 km (0.073 R)
• M10: 9,098,094 km (0.051 R)
• M11: 9,545,391 km (0.097 R)
• M12: 10,934,557 km (0.081 R)
• M13: 13,053,461 km (0.071 R)
• M14: 17,115,642 km (0.111 R)
• M15: 18,030,433 km (0.111 R)
• M16: 18,857,260 km (0.106 R)
• M17: 22,962,974 km (0.085 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 422.3

Radius: 6

Gravity: 11.73 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 8.68 AU - 8.82 AU

Year: 17260 Days

Day: 19.1 Hours

Environment

Temp: -233 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 84,389,422 km

• M1: 74,649 km (0.108 R)
• M2: 305,928 km (0.11 R)
• M3: 665,411 km (0.095 R)
• M4: 1,754,334 km (0.11 R)
• M5: 2,087,189 km (0.111 R)
• M6: 3,606,057 km (0.117 R)
• M7: 3,854,838 km (0.076 R)
• M8: 5,034,567 km (0.111 R)
• M9: 5,240,713 km (0.058 R)
• M10: 5,524,350 km (0.052 R)
• M11: 6,598,762 km (0.114 R)
• M12: 8,175,972 km (0.027 R)
• M13: 8,753,271 km (0.093 R)
• M14: 9,669,707 km (0.05 R)
• M15: 11,219,840 km (0.076 R)
• M16: 14,944,079 km (0.093 R)
• M17: 15,515,094 km (0.117 R)
• M18: 17,005,837 km (0.113 R)
• M19: 22,600,798 km (0.101 R)
• M20: 22,880,845 km (0.044 R)
• M21: 24,413,625 km (0.061 R)
• M22: 26,013,424 km (0.096 R)
• M23: 26,630,964 km (0.039 R)
• M24: 27,363,844 km (0.061 R)
• M25: 28,542,376 km (0.114 R)
• M26: 30,771,235 km (0.068 R)
• M27: 32,280,677 km (0.096 R)
• M28: 34,946,362 km (0.096 R)
• M29: 44,838,072 km (0.108 R)
• M30: 45,428,385 km (0.076 R)
• M31: 47,382,582 km (0.056 R)
• M32: 53,250,110 km (0.102 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 747.3

Radius: 5.3

Gravity: 26.6 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 9.01 AU - 11.79 AU

Year: 22366 Days

Day: 20.4 Hours

Environment

Temp: -229 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 84,389,422 km

• M1: 66,272 km (0.079 R)
• M2: 246,986 km (0.095 R)
• M3: 472,879 km (0.096 R)
• M4: 672,143 km (0.111 R)
• M5: 1,052,271 km (0.065 R)
• M6: 1,246,300 km (0.102 R)
• M7: 1,689,110 km (0.062 R)
• M8: 2,059,364 km (0.078 R)
• M9: 3,350,992 km (0.104 R)
• M10: 5,067,927 km (0.077 R)
• M11: 6,493,445 km (0.108 R)
• M12: 9,160,177 km (0.114 R)
• M13: 10,797,226 km (0.091 R)
• M14: 11,185,882 km (0.048 R)
• M15: 12,478,108 km (0.084 R)
• M16: 15,436,705 km (0.067 R)
• M17: 16,348,803 km (0.114 R)
• M18: 17,296,207 km (0.059 R)
• M19: 18,007,993 km (0.112 R)
• M20: 23,010,097 km (0.12 R)
• M21: 31,408,522 km (0.059 R)
• M22: 37,521,988 km (0.042 R)
• M23: 37,965,546 km (0.109 R)
• M24: 38,712,488 km (0.059 R)
• M25: 45,882,116 km (0.1 R)
• M26: 48,455,498 km (0.104 R)
• M27: 48,981,484 km (0.116 R)
• M28: 51,668,561 km (0.113 R)
• M29: 51,851,071 km (0.095 R)
• M30: 61,333,033 km (0.103 R)
• M31: 63,400,475 km (0.061 R)
• M32: 68,111,163 km (0.112 R)
• M33: 75,606,465 km (0.051 R)
• M34: 83,884,463 km (0.063 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 528 - 11,908 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit