🌌 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: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 84.4

Radius: 14.6

Gravity: 0.4 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 0.8 AU - 0.88 AU

Year: 531 Days

Day: 13.1 Hours

Environment

Temp: -172 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 41,987,686 km

• M1: 181,612 km (0.117 R)
• M2: 637,885 km (0.105 R)
• M3: 1,337,704 km (0.079 R)
• M4: 1,992,344 km (0.098 R)
• M5: 2,506,961 km (0.077 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 743.8

Radius: 9

Gravity: 9.18 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.79 AU - 1.21 AU

Year: 690 Days

Day: 10.1 Hours

Environment

Temp: -171 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 41,987,686 km

• M1: 112,198 km (0.115 R)
• M2: 487,091 km (0.054 R)
• M3: 837,449 km (0.044 R)
• M4: 1,275,172 km (0.104 R)
• M5: 1,691,204 km (0.051 R)
• M6: 2,255,786 km (0.107 R)
• M7: 2,729,114 km (0.057 R)
• M8: 3,151,728 km (0.098 R)
• M9: 3,493,559 km (0.065 R)
• M10: 4,144,160 km (0.114 R)
• M11: 5,028,732 km (0.065 R)
• M12: 5,838,506 km (0.104 R)
• M13: 7,123,701 km (0.117 R)
• M14: 7,529,859 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 118.2

Radius: 14.5

Gravity: 0.56 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.87 AU - 1.17 AU

Year: 711 Days

Day: 9.4 Hours

Environment

Temp: -168 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 41,987,686 km

• M1: 180,415 km (0.085 R)
• M2: 701,165 km (0.1 R)
• M3: 1,164,320 km (0.115 R)
• M4: 2,150,170 km (0.044 R)
• M5: 3,776,748 km (0.1 R)
• M6: 4,527,580 km (0.057 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 129.4

Radius: 13.2

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 2.22 AU - 3.34 AU

Year: 3199 Days

Day: 11.1 Hours

Environment

Temp: -217 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 41,987,686 km

• M1: 167,250 km (0.069 R)
• M2: 751,879 km (0.09 R)
• M3: 1,188,106 km (0.106 R)
• M4: 1,819,409 km (0.045 R)
• M5: 2,455,051 km (0.049 R)
• M6: 3,162,050 km (0.073 R)
• M7: 3,684,596 km (0.105 R)
• M8: 4,140,271 km (0.071 R)
• M9: 4,905,015 km (0.117 R)
• M10: 5,501,162 km (0.12 R)
• M11: 7,065,358 km (0.098 R)
• M12: 9,331,317 km (0.117 R)
• M13: 11,401,602 km (0.106 R)
• M14: 12,789,720 km (0.069 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 692.4

Radius: 12.9

Gravity: 4.16 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 2.51 AU - 3.13 AU

Year: 3269 Days

Day: 8.6 Hours

Environment

Temp: -214 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 41,987,686 km

• M1: 160,369 km (0.053 R)
• M2: 601,683 km (0.119 R)
• M3: 1,191,697 km (0.076 R)
• M4: 1,633,010 km (0.072 R)
• M5: 2,267,455 km (0.076 R)
• M6: 3,292,649 km (0.057 R)
• M7: 3,931,582 km (0.108 R)
• M8: 4,447,096 km (0.107 R)
• M9: 4,983,255 km (0.033 R)
• M10: 5,458,527 km (0.072 R)
• M11: 6,158,196 km (0.07 R)
• M12: 7,131,480 km (0.096 R)
• M13: 7,671,528 km (0.116 R)
• M14: 11,420,900 km (0.119 R)
• M15: 15,501,930 km (0.065 R)
• M16: 17,184,906 km (0.104 R)
• M17: 17,638,337 km (0.026 R)
• M18: 21,040,043 km (0.117 R)
• M19: 22,555,918 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 684.6

Radius: 9.1

Gravity: 8.27 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 3.26 AU - 4.14 AU

Year: 4913 Days

Day: 5.7 Hours

Environment

Temp: -213 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 41,987,686 km

• M1: 113,545 km (0.12 R)
• M2: 438,322 km (0.071 R)
• M3: 915,689 km (0.118 R)
• M4: 1,443,021 km (0.03 R)
• M5: 1,757,027 km (0.082 R)
• M6: 3,278,737 km (0.086 R)
• M7: 3,718,255 km (0.11 R)
• M8: 4,056,047 km (0.09 R)
• M9: 5,058,502 km (0.106 R)
• M10: 5,389,263 km (0.119 R)
• M11: 5,676,042 km (0.068 R)
• M12: 6,311,385 km (0.078 R)
• M13: 6,793,838 km (0.065 R)
• M14: 7,335,232 km (0.058 R)
• M15: 9,793,125 km (0.093 R)
• M16: 10,134,807 km (0.047 R)
• M17: 10,796,778 km (0.066 R)
• M18: 12,109,349 km (0.054 R)
• M19: 13,368,365 km (0.105 R)
• M20: 13,842,441 km (0.067 R)
• M21: 14,712,651 km (0.119 R)
• M22: 16,085,960 km (0.108 R)
• M23: 16,986,389 km (0.111 R)
• M24: 19,284,362 km (0.043 R)
• M25: 21,422,864 km (0.102 R)
• M26: 22,660,337 km (0.073 R)
• M27: 23,638,408 km (0.105 R)
• M28: 24,409,585 km (0.038 R)
• M29: 27,241,473 km (0.029 R)
• M30: 29,305,325 km (0.115 R)
• M31: 29,659,274 km (0.046 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 176.2

Radius: 14.7

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 3.37 AU - 4.15 AU

Year: 5033 Days

Day: 13.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 41,987,686 km

• M1: 183,108 km (0.069 R)
• M2: 1,081,593 km (0.069 R)
• M3: 2,643,245 km (0.069 R)
• M4: 3,108,195 km (0.098 R)
• M5: 4,288,672 km (0.071 R)
• M6: 5,285,442 km (0.12 R)
• M7: 6,596,219 km (0.073 R)
• M8: 7,892,933 km (0.062 R)
• M9: 9,144,619 km (0.117 R)
• M10: 11,225,226 km (0.093 R)
• M11: 12,207,485 km (0.043 R)
• M12: 15,302,965 km (0.076 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 423.3

Radius: 13.4

Gravity: 2.36 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 4.31 AU - 5.37 AU

Year: 7350 Days

Day: 15 Hours

Environment

Temp: -225 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 41,987,686 km

• M1: 193,280 km (0.115 R)
• M2: 653,144 km (0.087 R)
• M3: 1,086,978 km (0.052 R)
• M4: 1,537,118 km (0.064 R)
• M5: 2,984,926 km (0.052 R)
• M6: 4,633,196 km (0.072 R)
• M7: 5,204,510 km (0.115 R)
• M8: 5,791,981 km (0.076 R)
• M9: 7,135,669 km (0.062 R)
• M10: 8,518,402 km (0.097 R)
• M11: 14,405,078 km (0.035 R)
• M12: 14,862,548 km (0.11 R)
• M13: 18,208,903 km (0.11 R)
• M14: 18,811,633 km (0.111 R)
• M15: 22,330,624 km (0.085 R)
• M16: 26,692,598 km (0.102 R)
• M17: 28,711,871 km (0.077 R)
• M18: 30,268,586 km (0.095 R)

Planet 9 - Ice Giant

Semi-Major Axis: 5.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 556.2

Radius: 3.6

Gravity: 42.92 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 5.12 AU - 6.04 AU

Year: 9098 Days

Day: 19 Hours

Environment

Temp: -222 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 41,987,686 km

• M1: 44,879 km (0.074 R)
• M2: 258,206 km (0.102 R)
• M3: 473,328 km (0.103 R)
• M4: 603,179 km (0.118 R)
• M5: 1,282,203 km (0.09 R)
• M6: 1,693,298 km (0.102 R)
• M7: 1,843,046 km (0.102 R)
• M8: 2,186,522 km (0.037 R)
• M9: 2,851,784 km (0.06 R)
• M10: 3,310,152 km (0.074 R)
• M11: 3,790,960 km (0.119 R)
• M12: 4,047,969 km (0.079 R)
• M13: 7,099,466 km (0.079 R)
• M14: 7,771,460 km (0.078 R)
• M15: 8,228,332 km (0.084 R)
• M16: 8,702,856 km (0.102 R)
• M17: 9,149,855 km (0.045 R)
• M18: 9,753,482 km (0.108 R)
• M19: 10,333,922 km (0.071 R)
• M20: 12,944,255 km (0.084 R)
• M21: 13,585,132 km (0.027 R)
• M22: 15,056,577 km (0.055 R)
• M23: 15,183,885 km (0.107 R)
• M24: 16,698,862 km (0.119 R)
• M25: 20,489,523 km (0.096 R)
• M26: 25,441,063 km (0.094 R)
• M27: 28,725,185 km (0.079 R)
• M28: 29,712,979 km (0.069 R)
• M29: 32,705,236 km (0.105 R)
• M30: 33,240,647 km (0.078 R)
• M31: 35,665,928 km (0.113 R)
• M32: 36,576,380 km (0.071 R)
• M33: 39,039,659 km (0.105 R)
• M34: 41,361,717 km (0.09 R)
• M35: 41,486,332 km (0.094 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 246 - 17,140 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit