🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 935.5

Radius: 9.5

Gravity: 10.37 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 0.62 AU - 1.04 AU

Year: 504 Days

Day: 6.5 Hours

Environment

Temp: -163 °C

Axial Tilt: 47.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 47,823,734 km

• M1: 118,182 km (0.116 R)
• M2: 859,440 km (0.096 R)
• M3: 1,157,289 km (0.105 R)
• M4: 1,645,128 km (0.067 R)
• M5: 1,946,418 km (0.047 R)
• M6: 2,783,268 km (0.081 R)
• M7: 3,302,373 km (0.1 R)
• M8: 3,611,891 km (0.025 R)
• M9: 4,142,215 km (0.067 R)
• M10: 4,534,311 km (0.11 R)
• M11: 4,868,962 km (0.075 R)
• M12: 6,220,878 km (0.044 R)
• M13: 6,941,940 km (0.061 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 453.6

Radius: 8.5

Gravity: 6.28 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 1.86 AU - 2.44 AU

Year: 2102 Days

Day: 12.7 Hours

Environment

Temp: -212 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 47,823,734 km

• M1: 108,458 km (0.074 R)
• M2: 375,491 km (0.055 R)
• M3: 795,711 km (0.058 R)
• M4: 1,207,853 km (0.038 R)
• M5: 1,647,821 km (0.056 R)
• M6: 2,179,791 km (0.1 R)
• M7: 2,695,006 km (0.109 R)
• M8: 3,567,161 km (0.107 R)
• M9: 5,511,485 km (0.12 R)
• M10: 12,999,905 km (0.1 R)
• M11: 13,284,740 km (0.117 R)
• M12: 14,508,899 km (0.045 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 373.4

Radius: 12.4

Gravity: 2.43 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 1.91 AU - 2.73 AU

Year: 2356 Days

Day: 10.5 Hours

Environment

Temp: -207 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 47,823,734 km

• M1: 154,235 km (0.107 R)
• M2: 855,550 km (0.059 R)
• M3: 1,321,398 km (0.076 R)
• M4: 1,947,315 km (0.03 R)
• M5: 3,009,012 km (0.117 R)
• M6: 3,460,648 km (0.095 R)
• M7: 5,334,660 km (0.075 R)
• M8: 6,391,270 km (0.029 R)
• M9: 7,415,716 km (0.075 R)
• M10: 8,128,101 km (0.091 R)
• M11: 9,557,808 km (0.074 R)
• M12: 9,956,935 km (0.119 R)
• M13: 10,367,132 km (0.103 R)
• M14: 13,031,022 km (0.119 R)
• M15: 13,439,723 km (0.047 R)
• M16: 14,283,006 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 782.9

Radius: 12.5

Gravity: 5.01 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 2.51 AU - 2.67 AU

Year: 2780 Days

Day: 5.3 Hours

Environment

Temp: -206 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 47,823,734 km

• M1: 155,432 km (0.07 R)
• M2: 656,435 km (0.082 R)
• M3: 1,111,512 km (0.114 R)
• M4: 1,562,999 km (0.094 R)
• M5: 2,327,444 km (0.07 R)
• M6: 2,900,553 km (0.086 R)
• M7: 3,292,200 km (0.081 R)
• M8: 3,680,856 km (0.108 R)
• M9: 4,289,719 km (0.101 R)
• M10: 6,247,357 km (0.042 R)
• M11: 6,672,215 km (0.055 R)
• M12: 8,297,296 km (0.091 R)
• M13: 9,866,877 km (0.04 R)
• M14: 10,484,118 km (0.117 R)
• M15: 11,924,297 km (0.073 R)
• M16: 12,804,381 km (0.117 R)
• M17: 13,774,523 km (0.115 R)
• M18: 15,499,686 km (0.068 R)
• M19: 16,871,498 km (0.085 R)
• M20: 18,727,260 km (0.062 R)
• M21: 20,282,330 km (0.03 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 61.2

Radius: 8.9

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 2.52 AU - 2.92 AU

Year: 2991 Days

Day: 14 Hours

Environment

Temp: -209 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 47,823,734 km

• M1: 112,198 km (0.109 R)
• M2: 403,914 km (0.07 R)
• M3: 787,782 km (0.042 R)
• M4: 1,119,590 km (0.09 R)
• M5: 1,545,196 km (0.116 R)
• M6: 3,037,286 km (0.117 R)
• M7: 3,980,949 km (0.045 R)
• M8: 5,220,517 km (0.048 R)
• M9: 7,040,225 km (0.116 R)
• M10: 8,624,317 km (0.115 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 359.5

Radius: 5.5

Gravity: 11.88 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 6.94 AU - 7.6 AU

Year: 13072 Days

Day: 20.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 47,823,734 km

• M1: 68,516 km (0.087 R)
• M2: 264,639 km (0.109 R)
• M3: 448,794 km (0.107 R)
• M4: 644,767 km (0.065 R)
• M5: 824,733 km (0.083 R)
• M6: 2,098,559 km (0.081 R)
• M7: 2,641,150 km (0.103 R)
• M8: 2,956,353 km (0.109 R)
• M9: 3,296,239 km (0.064 R)
• M10: 3,712,421 km (0.1 R)
• M11: 4,081,030 km (0.104 R)
• M12: 4,619,732 km (0.113 R)
• M13: 4,952,587 km (0.068 R)
• M14: 5,837,758 km (0.093 R)
• M15: 6,862,204 km (0.088 R)
• M16: 8,261,094 km (0.099 R)
• M17: 8,751,625 km (0.095 R)
• M18: 14,709,211 km (0.081 R)
• M19: 15,764,025 km (0.078 R)
• M20: 18,619,998 km (0.093 R)
• M21: 19,153,015 km (0.099 R)
• M22: 20,010,959 km (0.046 R)
• M23: 20,975,716 km (0.096 R)
• M24: 21,802,992 km (0.114 R)
• M25: 22,480,521 km (0.102 R)
• M26: 28,513,205 km (0.101 R)
• M27: 29,017,499 km (0.109 R)
• M28: 30,044,040 km (0.089 R)
• M29: 32,277,985 km (0.119 R)
• M30: 33,379,623 km (0.077 R)
• M31: 33,602,973 km (0.089 R)
• M32: 40,775,443 km (0.049 R)
• M33: 41,932,283 km (0.081 R)
• M34: 42,978,870 km (0.096 R)
• M35: 43,908,770 km (0.109 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 139.6

Radius: 4.9

Gravity: 5.81 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 8.51 AU - 12.11 AU

Year: 22076 Days

Day: 15.4 Hours

Environment

Temp: -232 °C

Axial Tilt: 42.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 47,823,734 km

• M1: 61,335 km (0.087 R)
• M2: 228,735 km (0.033 R)
• M3: 990,637 km (0.077 R)
• M4: 2,559,620 km (0.077 R)
• M5: 8,403,960 km (0.104 R)
• M6: 9,870,468 km (0.042 R)
• M7: 11,116,917 km (0.059 R)
• M8: 17,814,114 km (0.079 R)
• M9: 19,025,857 km (0.078 R)
• M10: 23,789,203 km (0.101 R)
• M11: 29,913,889 km (0.098 R)
• M12: 36,650,132 km (0.086 R)
• M13: 46,686,503 km (0.063 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 544 - 18,921 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit