🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 143.8

Radius: 10.4

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 0.66 AU - 0.98 AU

Year: 495 Days

Day: 6.8 Hours

Environment

Temp: -174 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 78,581,584 km

• M1: 129,402 km (0.069 R)
• M2: 465,399 km (0.063 R)
• M3: 1,172,399 km (0.097 R)
• M4: 1,682,826 km (0.062 R)
• M5: 2,321,609 km (0.095 R)
• M6: 2,754,994 km (0.084 R)
• M7: 3,591,097 km (0.076 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 397.4

Radius: 14.5

Gravity: 1.89 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 0.89 AU - 1.27 AU

Year: 748 Days

Day: 13.8 Hours

Environment

Temp: -179 °C

Axial Tilt: 46.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 78,581,584 km

• M1: 180,565 km (0.065 R)
• M2: 657,183 km (0.032 R)
• M3: 1,120,039 km (0.12 R)
• M4: 1,712,596 km (0.067 R)
• M5: 2,206,120 km (0.108 R)
• M6: 2,872,130 km (0.058 R)
• M7: 3,844,067 km (0.099 R)
• M8: 5,074,958 km (0.057 R)
• M9: 5,909,415 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 595.4

Radius: 10.6

Gravity: 5.3 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 1.51 AU - 1.51 AU

Year: 1237 Days

Day: 11.8 Hours

Environment

Temp: -184 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 78,581,584 km

• M1: 131,796 km (0.035 R)
• M2: 469,588 km (0.077 R)
• M3: 823,686 km (0.107 R)
• M4: 1,161,777 km (0.094 R)
• M5: 1,647,521 km (0.045 R)
• M6: 2,030,492 km (0.114 R)
• M7: 2,743,326 km (0.097 R)
• M8: 4,099,430 km (0.101 R)
• M9: 4,925,360 km (0.062 R)
• M10: 5,667,216 km (0.048 R)
• M11: 6,120,498 km (0.105 R)
• M12: 6,621,202 km (0.073 R)
• M13: 7,002,377 km (0.094 R)
• M14: 7,730,769 km (0.088 R)
• M15: 9,017,460 km (0.1 R)
• M16: 9,427,059 km (0.101 R)
• M17: 10,731,104 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 602.1

Radius: 13

Gravity: 3.56 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 4.78 AU - 6.54 AU

Year: 8980 Days

Day: 7.7 Hours

Environment

Temp: -216 °C

Axial Tilt: 80.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 78,581,584 km

• M1: 161,865 km (0.094 R)
• M2: 608,863 km (0.085 R)
• M3: 1,116,449 km (0.106 R)
• M4: 1,530,685 km (0.095 R)
• M5: 2,648,481 km (0.085 R)
• M6: 3,117,470 km (0.049 R)
• M7: 3,838,083 km (0.077 R)
• M8: 4,305,726 km (0.116 R)
• M9: 4,724,450 km (0.092 R)
• M10: 5,515,524 km (0.115 R)
• M11: 6,182,581 km (0.102 R)
• M12: 7,638,467 km (0.109 R)
• M13: 9,825,289 km (0.102 R)
• M14: 10,505,959 km (0.038 R)
• M15: 11,907,691 km (0.109 R)
• M16: 15,079,914 km (0.07 R)
• M17: 15,789,158 km (0.068 R)
• M18: 16,252,013 km (0.037 R)
• M19: 31,718,638 km (0.092 R)
• M20: 32,990,669 km (0.105 R)
• M21: 35,410,564 km (0.106 R)
• M22: 40,601,610 km (0.112 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 351.1

Radius: 6

Gravity: 9.75 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 6.22 AU - 8.82 AU

Year: 13752 Days

Day: 17.6 Hours

Environment

Temp: -231 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 78,581,584 km

• M1: 74,649 km (0.094 R)
• M2: 279,748 km (0.105 R)
• M3: 1,017,266 km (0.068 R)
• M4: 2,777,434 km (0.052 R)
• M5: 3,411,131 km (0.107 R)
• M6: 5,646,721 km (0.03 R)
• M7: 12,490,375 km (0.107 R)
• M8: 12,902,218 km (0.102 R)
• M9: 21,445,453 km (0.059 R)
• M10: 29,990,035 km (0.093 R)
• M11: 33,463,697 km (0.065 R)
• M12: 36,357,070 km (0.101 R)
• M13: 36,835,035 km (0.051 R)
• M14: 39,790,939 km (0.034 R)
• M15: 46,169,792 km (0.089 R)
• M16: 47,012,028 km (0.104 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 699.5

Radius: 5

Gravity: 27.98 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 9.06 AU - 10.74 AU

Year: 20772 Days

Day: 21.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 93.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 78,581,584 km

• M1: 63,429 km (0.101 R)
• M2: 259,702 km (0.117 R)
• M3: 454,778 km (0.065 R)
• M4: 680,970 km (0.106 R)
• M5: 864,526 km (0.084 R)
• M6: 1,161,328 km (0.118 R)
• M7: 1,767,499 km (0.104 R)
• M8: 1,997,132 km (0.091 R)
• M9: 3,342,914 km (0.086 R)
• M10: 3,817,887 km (0.114 R)
• M11: 4,303,033 km (0.102 R)
• M12: 4,684,209 km (0.101 R)
• M13: 5,049,826 km (0.099 R)
• M14: 8,110,748 km (0.082 R)
• M15: 8,800,244 km (0.118 R)
• M16: 9,020,004 km (0.103 R)
• M17: 10,724,821 km (0.067 R)
• M18: 14,603,445 km (0.103 R)
• M19: 16,270,564 km (0.08 R)
• M20: 16,769,173 km (0.103 R)
• M21: 22,329,726 km (0.106 R)
• M22: 22,533,778 km (0.113 R)
• M23: 24,103,359 km (0.053 R)
• M24: 24,425,892 km (0.037 R)
• M25: 26,764,106 km (0.069 R)
• M26: 27,692,810 km (0.064 R)
• M27: 34,940,079 km (0.095 R)
• M28: 37,180,606 km (0.085 R)
• M29: 40,264,117 km (0.108 R)
• M30: 41,022,579 km (0.037 R)
• M31: 41,945,298 km (0.101 R)
• M32: 62,610,598 km (0.05 R)
• M33: 63,628,163 km (0.055 R)
• M34: 68,881,891 km (0.076 R)
• M35: 69,748,511 km (0.117 R)
• M36: 71,282,338 km (0.081 R)
• M37: 72,168,855 km (0.175 R)
• M38: 77,409,717 km (0.099 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 294 - 10,316 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit