🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 180

Radius: 9.2

Gravity: 2.13 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.58 AU - 0.82 AU

Year: 397 Days

Day: 11.1 Hours

Environment

Temp: -156 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 44,302,716 km

• M1: 114,592 km (0.055 R)
• M2: 531,521 km (0.119 R)
• M3: 828,623 km (0.119 R)
• M4: 1,145,770 km (0.08 R)
• M5: 1,438,384 km (0.11 R)
• M6: 2,022,114 km (0.115 R)
• M7: 2,594,775 km (0.087 R)
• M8: 2,951,566 km (0.074 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 843.8

Radius: 12.7

Gravity: 5.23 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 1.09 AU - 1.47 AU

Year: 982 Days

Day: 14.6 Hours

Environment

Temp: -194 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 44,302,716 km

• M1: 160,219 km (0.078 R)
• M2: 585,376 km (0.099 R)
• M3: 1,855,462 km (0.12 R)
• M4: 2,272,242 km (0.102 R)
• M5: 3,243,282 km (0.114 R)
• M6: 4,016,404 km (0.084 R)
• M7: 4,561,987 km (0.061 R)
• M8: 5,951,003 km (0.107 R)
• M9: 7,256,843 km (0.11 R)
• M10: 8,829,266 km (0.106 R)
• M11: 9,606,726 km (0.066 R)
• M12: 10,088,581 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 966.9

Radius: 14.1

Gravity: 4.86 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 1.71 AU - 1.79 AU

Year: 1570 Days

Day: 7.9 Hours

Environment

Temp: -203 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 44,302,716 km

• M1: 175,628 km (0.103 R)
• M2: 631,901 km (0.071 R)
• M3: 1,226,254 km (0.119 R)
• M4: 2,018,225 km (0.091 R)
• M5: 2,849,391 km (0.101 R)
• M6: 3,863,215 km (0.072 R)
• M7: 4,523,690 km (0.072 R)
• M8: 6,121,096 km (0.114 R)
• M9: 6,729,660 km (0.101 R)
• M10: 7,378,317 km (0.112 R)
• M11: 7,862,714 km (0.085 R)
• M12: 9,644,874 km (0.083 R)
• M13: 10,612,922 km (0.089 R)
• M14: 11,531,303 km (0.088 R)
• M15: 13,068,870 km (0.112 R)
• M16: 13,652,900 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 71.8

Radius: 14.7

Gravity: 0.33 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 1.95 AU - 3.01 AU

Year: 2649 Days

Day: 14.3 Hours

Environment

Temp: -213 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 44,302,716 km

• M1: 192,233 km (0.112 R)
• M2: 684,261 km (0.059 R)
• M3: 1,402,181 km (0.093 R)
• M4: 2,424,682 km (0.08 R)
• M5: 2,894,719 km (0.105 R)
• M6: 3,593,790 km (0.106 R)
• M7: 4,371,250 km (0.115 R)
• M8: 5,111,909 km (0.091 R)
• M9: 9,104,078 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 553.6

Radius: 13.4

Gravity: 3.08 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 3.81 AU - 4.57 AU

Year: 5817 Days

Day: 6 Hours

Environment

Temp: -225 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 44,302,716 km

• M1: 166,802 km (0.115 R)
• M2: 638,633 km (0.075 R)
• M3: 1,088,624 km (0.102 R)
• M4: 1,516,324 km (0.068 R)
• M5: 4,081,628 km (0.083 R)
• M6: 4,619,133 km (0.094 R)
• M7: 6,019,220 km (0.113 R)
• M8: 6,652,617 km (0.062 R)
• M9: 7,156,463 km (0.088 R)
• M10: 7,978,653 km (0.103 R)
• M11: 10,332,875 km (0.109 R)
• M12: 11,669,232 km (0.108 R)
• M13: 13,274,417 km (0.105 R)
• M14: 14,021,360 km (0.069 R)
• M15: 16,370,495 km (0.098 R)
• M16: 19,645,043 km (0.076 R)
• M17: 22,204,363 km (0.117 R)
• M18: 24,579,977 km (0.111 R)
• M19: 29,651,345 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 199

Radius: 11.8

Gravity: 1.43 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 3.28 AU - 5.12 AU

Year: 5838 Days

Day: 13.3 Hours

Environment

Temp: -225 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 44,302,716 km

• M1: 147,055 km (0.112 R)
• M2: 747,541 km (0.047 R)
• M3: 1,253,481 km (0.099 R)
• M4: 1,642,884 km (0.12 R)
• M5: 2,061,907 km (0.118 R)
• M6: 2,722,532 km (0.103 R)
• M7: 3,811,754 km (0.112 R)
• M8: 4,857,443 km (0.053 R)
• M9: 5,346,030 km (0.116 R)
• M10: 6,112,868 km (0.053 R)
• M11: 7,964,441 km (0.109 R)
• M12: 8,645,859 km (0.067 R)
• M13: 14,109,174 km (0.063 R)
• M14: 14,752,744 km (0.111 R)
• M15: 15,571,493 km (0.078 R)
• M16: 17,299,947 km (0.055 R)
• M17: 18,094,910 km (0.113 R)
• M18: 19,332,982 km (0.117 R)
• M19: 20,251,363 km (0.088 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 676.7

Radius: 13.4

Gravity: 3.77 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 4.45 AU - 6.71 AU

Year: 8940 Days

Day: 5.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 44,302,716 km

• M1: 193,729 km (0.101 R)
• M2: 807,829 km (0.104 R)
• M3: 1,358,349 km (0.103 R)
• M4: 2,026,752 km (0.119 R)
• M5: 2,928,229 km (0.044 R)
• M6: 3,554,745 km (0.095 R)
• M7: 7,711,920 km (0.095 R)
• M8: 8,689,392 km (0.056 R)
• M9: 11,574,686 km (0.111 R)
• M10: 15,370,284 km (0.056 R)
• M11: 17,407,059 km (0.089 R)
• M12: 18,861,150 km (0.109 R)
• M13: 20,950,733 km (0.106 R)
• M14: 22,010,185 km (0.076 R)
• M15: 26,419,882 km (0.085 R)
• M16: 27,176,099 km (0.114 R)
• M17: 34,311,169 km (0.063 R)
• M18: 38,850,417 km (0.088 R)
• M19: 39,337,508 km (0.107 R)
• M20: 43,775,179 km (0.053 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 200 - 18,465 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit