🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.52 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 434.5

Radius: 10.9

Gravity: 3.66 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 0.95 AU - 1.11 AU

Year: 675 Days

Day: 12.1 Hours

Environment

Temp: -167 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 73,080,588 km

• M1: 135,536 km (0.115 R)
• M2: 502,798 km (0.093 R)
• M3: 1,588,131 km (0.052 R)
• M4: 2,230,355 km (0.097 R)
• M5: 2,591,783 km (0.094 R)
• M6: 3,226,377 km (0.102 R)
• M7: 4,087,612 km (0.113 R)
• M8: 4,526,832 km (0.112 R)
• M9: 5,261,806 km (0.102 R)
• M10: 6,037,471 km (0.071 R)
• M11: 6,472,352 km (0.076 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 319.7

Radius: 10.8

Gravity: 2.74 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 1.42 AU - 1.44 AU

Year: 1104 Days

Day: 8.5 Hours

Environment

Temp: -180 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 73,080,588 km

• M1: 134,339 km (0.089 R)
• M2: 607,517 km (0.111 R)
• M3: 1,083,388 km (0.047 R)
• M4: 1,971,850 km (0.096 R)
• M5: 2,701,738 km (0.117 R)
• M6: 3,589,152 km (0.045 R)
• M7: 4,544,634 km (0.104 R)
• M8: 5,108,767 km (0.099 R)
• M9: 7,265,071 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 366.5

Radius: 8.6

Gravity: 4.96 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 1.44 AU - 1.66 AU

Year: 1246 Days

Day: 8.8 Hours

Environment

Temp: -176 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 73,080,588 km

• M1: 106,962 km (0.118 R)
• M2: 445,802 km (0.059 R)
• M3: 902,674 km (0.083 R)
• M4: 1,321,398 km (0.07 R)
• M5: 1,704,219 km (0.111 R)
• M6: 2,275,384 km (0.094 R)
• M7: 2,780,127 km (0.114 R)
• M8: 3,514,054 km (0.086 R)
• M9: 3,950,132 km (0.057 R)
• M10: 4,489,881 km (0.114 R)
• M11: 4,768,881 km (0.078 R)
• M12: 5,115,050 km (0.074 R)
• M13: 6,627,186 km (0.088 R)
• M14: 7,509,813 km (0.119 R)
• M15: 8,390,197 km (0.034 R)
• M16: 8,896,137 km (0.119 R)
• M17: 9,564,091 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 450.7

Radius: 8

Gravity: 7.04 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 1.65 AU - 2.25 AU

Year: 1758 Days

Day: 14.9 Hours

Environment

Temp: -198 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 73,080,588 km

• M1: 100,979 km (0.083 R)
• M2: 381,475 km (0.082 R)
• M3: 715,527 km (0.109 R)
• M4: 1,213,089 km (0.091 R)
• M5: 1,499,868 km (0.118 R)
• M6: 2,807,204 km (0.045 R)
• M7: 3,149,334 km (0.08 R)
• M8: 3,455,711 km (0.118 R)
• M9: 4,075,196 km (0.095 R)
• M10: 4,845,774 km (0.114 R)
• M11: 5,403,924 km (0.089 R)
• M12: 5,665,421 km (0.06 R)
• M13: 5,935,445 km (0.082 R)
• M14: 6,308,841 km (0.115 R)
• M15: 8,073,647 km (0.108 R)
• M16: 8,532,464 km (0.099 R)
• M17: 9,502,307 km (0.099 R)
• M18: 10,409,618 km (0.099 R)
• M19: 10,747,261 km (0.081 R)
• M20: 11,480,141 km (0.103 R)
• M21: 12,060,431 km (0.106 R)
• M22: 12,546,325 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 118.8

Radius: 13

Gravity: 0.7 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 1.83 AU - 2.37 AU

Year: 1965 Days

Day: 14.7 Hours

Environment

Temp: -201 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 73,080,588 km

• M1: 161,715 km (0.112 R)
• M2: 586,124 km (0.119 R)
• M3: 1,380,639 km (0.116 R)
• M4: 2,307,098 km (0.095 R)
• M5: 2,712,509 km (0.073 R)
• M6: 3,127,493 km (0.095 R)
• M7: 3,815,793 km (0.042 R)
• M8: 4,619,881 km (0.119 R)
• M9: 5,216,777 km (0.107 R)
• M10: 5,844,789 km (0.109 R)
• M11: 6,270,245 km (0.084 R)
• M12: 7,070,893 km (0.108 R)
• M13: 8,512,717 km (0.086 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 46.4

Radius: 13.9

Gravity: 0.24 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 4.42 AU - 6.64 AU

Year: 8397 Days

Day: 8.5 Hours

Environment

Temp: -225 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 73,080,588 km

• M1: 174,282 km (0.112 R)
• M2: 628,461 km (0.038 R)
• M3: 1,258,417 km (0.026 R)
• M4: 1,816,118 km (0.086 R)
• M5: 3,412,028 km (0.1 R)
• M6: 4,004,585 km (0.095 R)
• M7: 6,815,829 km (0.079 R)
• M8: 8,156,375 km (0.028 R)
• M9: 9,054,561 km (0.086 R)
• M10: 9,562,296 km (0.052 R)
• M11: 11,746,874 km (0.086 R)
• M12: 13,104,773 km (0.087 R)
• M13: 14,702,928 km (0.087 R)
• M14: 15,597,074 km (0.092 R)
• M15: 16,427,641 km (0.036 R)
• M16: 16,879,128 km (0.077 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 360.8

Radius: 6.5

Gravity: 8.54 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 7.53 AU - 11.57 AU

Year: 19055 Days

Day: 17.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 73,080,588 km

• M1: 81,531 km (0.086 R)
• M2: 285,433 km (0.069 R)
• M3: 638,933 km (0.11 R)
• M4: 1,330,075 km (0.107 R)
• M5: 1,560,156 km (0.06 R)
• M6: 3,239,392 km (0.1 R)
• M7: 3,687,438 km (0.096 R)
• M8: 6,171,361 km (0.076 R)
• M9: 8,196,767 km (0.119 R)
• M10: 8,976,919 km (0.069 R)
• M11: 10,020,514 km (0.114 R)
• M12: 13,700,622 km (0.118 R)
• M13: 19,346,595 km (0.11 R)
• M14: 21,617,790 km (0.074 R)
• M15: 24,550,806 km (0.095 R)
• M16: 25,348,761 km (0.064 R)
• M17: 26,577,707 km (0.119 R)
• M18: 36,185,631 km (0.036 R)
• M19: 44,561,615 km (0.032 R)
• M20: 47,873,862 km (0.093 R)
• M21: 58,965,347 km (0.109 R)

Planet 8 - Ice Giant

Semi-Major Axis: 11.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 415.6

Radius: 4.1

Gravity: 24.72 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 8.81 AU - 13.57 AU

Year: 24169 Days

Day: 15.3 Hours

Environment

Temp: -228 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 73,080,588 km

• M1: 51,013 km (0.099 R)
• M2: 776,712 km (0.119 R)
• M3: 962,961 km (0.059 R)
• M4: 1,233,584 km (0.104 R)
• M5: 1,906,774 km (0.107 R)
• M6: 2,333,577 km (0.11 R)
• M7: 2,821,266 km (0.062 R)
• M8: 3,345,906 km (0.108 R)
• M9: 4,416,428 km (0.025 R)
• M10: 5,384,626 km (0.093 R)
• M11: 5,539,310 km (0.12 R)
• M12: 6,794,885 km (0.109 R)
• M13: 7,393,725 km (0.087 R)
• M14: 8,537,999 km (0.111 R)
• M15: 9,624,977 km (0.111 R)
• M16: 10,260,469 km (0.044 R)
• M17: 10,618,606 km (0.118 R)
• M18: 11,171,520 km (0.084 R)
• M19: 12,468,384 km (0.095 R)
• M20: 12,603,321 km (0.09 R)
• M21: 13,222,806 km (0.027 R)
• M22: 13,504,499 km (0.115 R)
• M23: 18,661,886 km (0.055 R)
• M24: 21,430,793 km (0.106 R)
• M25: 31,107,531 km (0.08 R)
• M26: 31,605,692 km (0.105 R)
• M27: 32,490,414 km (0.085 R)
• M28: 34,840,746 km (0.119 R)
• M29: 34,974,636 km (0.074 R)
• M30: 35,513,188 km (0.099 R)
• M31: 37,864,418 km (0.069 R)
• M32: 44,584,504 km (0.114 R)
• M33: 49,143,050 km (0.11 R)
• M34: 51,361,287 km (0.116 R)
• M35: 70,269,261 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: 508 - 11,693 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit