🌌 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: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 394

Radius: 12.2

Gravity: 2.65 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.64 AU - 0.98 AU

Year: 503 Days

Day: 5.8 Hours

Environment

Temp: -157 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 83,547,446 km

• M1: 151,692 km (0.109 R)
• M2: 595,549 km (0.104 R)
• M3: 1,094,159 km (0.115 R)
• M4: 1,733,091 km (0.068 R)
• M5: 2,164,382 km (0.088 R)
• M6: 2,917,158 km (0.104 R)
• M7: 3,641,661 km (0.072 R)
• M8: 4,105,564 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 446

Radius: 13.5

Gravity: 2.45 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 1.51 AU - 1.77 AU

Year: 1450 Days

Day: 14.5 Hours

Environment

Temp: -190 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 83,547,446 km

• M1: 169,046 km (0.083 R)
• M2: 1,047,335 km (0.103 R)
• M3: 1,956,591 km (0.099 R)
• M4: 2,499,780 km (0.096 R)
• M5: 3,019,633 km (0.091 R)
• M6: 4,455,174 km (0.106 R)
• M7: 5,695,490 km (0.104 R)
• M8: 6,511,247 km (0.111 R)
• M9: 7,303,368 km (0.079 R)
• M10: 11,464,732 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 418.3

Radius: 12.7

Gravity: 2.59 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 1.67 AU - 2.19 AU

Year: 1851 Days

Day: 14.8 Hours

Environment

Temp: -206 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 83,547,446 km

• M1: 158,125 km (0.12 R)
• M2: 761,752 km (0.035 R)
• M3: 1,246,898 km (0.11 R)
• M4: 1,818,512 km (0.083 R)
• M5: 2,293,635 km (0.104 R)
• M6: 2,783,717 km (0.029 R)
• M7: 7,169,927 km (0.099 R)
• M8: 8,199,908 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 70.7

Radius: 13.2

Gravity: 0.41 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 1.95 AU - 2.85 AU

Year: 2566 Days

Day: 9.8 Hours

Environment

Temp: -213 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 83,547,446 km

• M1: 169,644 km (0.105 R)
• M2: 976,575 km (0.076 R)
• M3: 1,417,889 km (0.084 R)
• M4: 2,197,892 km (0.092 R)
• M5: 3,118,667 km (0.098 R)
• M6: 3,547,863 km (0.057 R)
• M7: 4,460,709 km (0.087 R)
• M8: 5,736,929 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 577.4

Radius: 12.1

Gravity: 3.94 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 3.49 AU - 5.75 AU

Year: 6854 Days

Day: 5.4 Hours

Environment

Temp: -215 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 83,547,446 km

• M1: 222,302 km (0.049 R)
• M2: 766,539 km (0.089 R)
• M3: 2,765,765 km (0.104 R)
• M4: 3,674,572 km (0.101 R)
• M5: 4,854,750 km (0.113 R)
• M6: 6,077,862 km (0.026 R)
• M7: 7,312,344 km (0.111 R)
• M8: 8,872,949 km (0.06 R)
• M9: 12,908,351 km (0.114 R)
• M10: 16,151,783 km (0.117 R)
• M11: 18,777,375 km (0.084 R)
• M12: 19,264,466 km (0.108 R)
• M13: 20,924,553 km (0.12 R)
• M14: 22,211,544 km (0.1 R)
• M15: 27,088,883 km (0.082 R)
• M16: 30,678,185 km (0.09 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 467.8

Radius: 5.5

Gravity: 15.46 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 6.01 AU - 9.51 AU

Year: 14921 Days

Day: 16.7 Hours

Environment

Temp: -237 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 83,547,446 km

• M1: 68,516 km (0.111 R)
• M2: 306,825 km (0.109 R)
• M3: 542,591 km (0.097 R)
• M4: 819,946 km (0.07 R)
• M5: 991,983 km (0.101 R)
• M6: 1,225,805 km (0.109 R)
• M7: 1,481,617 km (0.077 R)
• M8: 1,940,733 km (0.057 R)
• M9: 2,388,480 km (0.095 R)
• M10: 3,834,792 km (0.119 R)
• M11: 6,309,889 km (0.051 R)
• M12: 6,745,218 km (0.041 R)
• M13: 7,898,468 km (0.057 R)
• M14: 10,698,492 km (0.093 R)
• M15: 14,163,777 km (0.112 R)
• M16: 14,840,109 km (0.102 R)
• M17: 17,454,182 km (0.106 R)
• M18: 17,917,786 km (0.081 R)
• M19: 19,112,624 km (0.11 R)
• M20: 19,854,629 km (0.089 R)
• M21: 20,106,103 km (0.079 R)
• M22: 21,748,688 km (0.104 R)
• M23: 22,557,115 km (0.077 R)
• M24: 24,617,377 km (0.055 R)
• M25: 24,907,746 km (0.074 R)
• M26: 27,004,360 km (0.088 R)
• M27: 28,148,186 km (0.111 R)
• M28: 30,755,228 km (0.115 R)
• M29: 32,348,146 km (0.109 R)
• M30: 33,637,530 km (0.087 R)
• M31: 36,069,243 km (0.064 R)
• M32: 39,799,466 km (0.087 R)
• M33: 43,214,935 km (0.055 R)
• M34: 43,920,738 km (0.104 R)
• M35: 45,210,421 km (0.042 R)
• M36: 48,772,646 km (0.046 R)
• M37: 53,644,899 km (0.085 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 984.1

Radius: 4.1

Gravity: 58.54 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 8.54 AU - 9.82 AU

Year: 19199 Days

Day: 17.8 Hours

Environment

Temp: -234 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 83,547,446 km

• M1: 57,595 km (0.09 R)
• M2: 222,003 km (0.096 R)
• M3: 708,944 km (0.089 R)
• M4: 2,635,914 km (0.118 R)
• M5: 2,864,650 km (0.071 R)
• M6: 3,134,225 km (0.091 R)
• M7: 5,157,835 km (0.094 R)
• M8: 7,761,437 km (0.105 R)
• M9: 8,072,600 km (0.082 R)
• M10: 11,723,686 km (0.084 R)
• M11: 11,995,655 km (0.105 R)
• M12: 13,641,830 km (0.071 R)
• M13: 14,557,818 km (0.097 R)
• M14: 15,351,733 km (0.111 R)
• M15: 17,727,946 km (0.116 R)
• M16: 19,662,995 km (0.091 R)
• M17: 21,836,652 km (0.099 R)
• M18: 24,165,142 km (0.056 R)
• M19: 28,081,016 km (0.096 R)
• M20: 28,323,664 km (0.113 R)
• M21: 33,612,098 km (0.087 R)
• M22: 34,023,044 km (0.119 R)
• M23: 34,298,902 km (0.085 R)
• M24: 39,674,402 km (0.083 R)
• M25: 41,846,564 km (0.101 R)
• M26: 56,757,731 km (0.112 R)
• M27: 59,510,631 km (0.096 R)
• M28: 74,618,072 km (0.183 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 261 - 13,793 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit