🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 104.3

Radius: 12.1

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 0.65 AU - 0.67 AU

Year: 358 Days

Day: 5.9 Hours

Environment

Temp: -155 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 69,739,177 km

• M1: 155,582 km (0.116 R)
• M2: 676,482 km (0.032 R)
• M3: 1,155,943 km (0.089 R)
• M4: 1,880,744 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 120.7

Radius: 11

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 1.4 AU - 1.76 AU

Year: 1324 Days

Day: 11.4 Hours

Environment

Temp: -192 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 69,739,177 km

• M1: 137,032 km (0.043 R)
• M2: 578,196 km (0.079 R)
• M3: 1,060,948 km (0.067 R)
• M4: 1,736,831 km (0.12 R)
• M5: 2,298,721 km (0.098 R)
• M6: 2,978,643 km (0.105 R)
• M7: 3,460,797 km (0.052 R)
• M8: 5,501,910 km (0.095 R)
• M9: 6,005,756 km (0.072 R)
• M10: 6,403,537 km (0.108 R)
• M11: 6,798,924 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 369.1

Radius: 11.7

Gravity: 2.7 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 1.37 AU - 2.23 AU

Year: 1610 Days

Day: 6.6 Hours

Environment

Temp: -204 °C

Axial Tilt: 42.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 69,739,177 km

• M1: 159,023 km (0.117 R)
• M2: 544,087 km (0.115 R)
• M3: 1,083,837 km (0.098 R)
• M4: 2,042,161 km (0.12 R)
• M5: 2,849,241 km (0.073 R)
• M6: 4,140,121 km (0.115 R)
• M7: 4,672,091 km (0.102 R)
• M8: 7,097,222 km (0.055 R)
• M9: 7,756,350 km (0.086 R)
• M10: 8,878,484 km (0.078 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 291.5

Radius: 8

Gravity: 4.55 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 2.15 AU - 2.71 AU

Year: 2526 Days

Day: 14.6 Hours

Environment

Temp: -204 °C

Axial Tilt: 44.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 69,739,177 km

• M1: 99,782 km (0.061 R)
• M2: 795,262 km (0.091 R)
• M3: 1,731,745 km (0.043 R)
• M4: 2,428,422 km (0.106 R)
• M5: 5,049,227 km (0.08 R)
• M6: 5,307,433 km (0.111 R)
• M7: 7,020,628 km (0.101 R)
• M8: 7,535,394 km (0.081 R)
• M9: 9,883,034 km (0.052 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 325.6

Radius: 12.1

Gravity: 2.22 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 4.17 AU - 5.37 AU

Year: 6947 Days

Day: 12.4 Hours

Environment

Temp: -222 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 69,739,177 km

• M1: 150,944 km (0.109 R)
• M2: 595,699 km (0.034 R)
• M3: 1,028,635 km (0.095 R)
• M4: 1,855,612 km (0.096 R)
• M5: 2,328,790 km (0.106 R)
• M6: 2,705,627 km (0.052 R)
• M7: 4,000,097 km (0.12 R)
• M8: 4,902,173 km (0.03 R)
• M9: 5,846,285 km (0.037 R)
• M10: 7,311,746 km (0.065 R)
• M11: 9,208,497 km (0.104 R)
• M12: 9,950,502 km (0.069 R)
• M13: 12,564,875 km (0.093 R)
• M14: 13,581,841 km (0.074 R)
• M15: 14,434,399 km (0.083 R)
• M16: 18,848,285 km (0.113 R)
• M17: 19,241,428 km (0.096 R)
• M18: 19,908,933 km (0.093 R)
• M19: 25,021,590 km (0.074 R)
• M20: 27,124,637 km (0.103 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 570.9

Radius: 5.8

Gravity: 16.97 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 6.81 AU - 6.89 AU

Year: 11955 Days

Day: 19.4 Hours

Environment

Temp: -238 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 69,739,177 km

• M1: 72,405 km (0.118 R)
• M2: 509,231 km (0.077 R)
• M3: 730,636 km (0.102 R)
• M4: 1,127,370 km (0.071 R)
• M5: 2,705,328 km (0.068 R)
• M6: 2,922,843 km (0.118 R)
• M7: 4,078,188 km (0.094 R)
• M8: 6,568,095 km (0.097 R)
• M9: 9,518,314 km (0.052 R)
• M10: 10,334,819 km (0.096 R)
• M11: 11,532,649 km (0.065 R)
• M12: 22,433,846 km (0.113 R)
• M13: 25,759,856 km (0.061 R)
• M14: 28,563,469 km (0.098 R)
• M15: 31,232,744 km (0.11 R)
• M16: 40,230,458 km (0.088 R)
• M17: 48,121,147 km (0.118 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 670.7

Radius: 7.4

Gravity: 12.25 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 8.19 AU - 9.63 AU

Year: 17736 Days

Day: 16.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 69,739,177 km

• M1: 92,003 km (0.109 R)
• M2: 525,837 km (0.069 R)
• M3: 906,713 km (0.089 R)
• M4: 1,180,327 km (0.102 R)
• M5: 1,588,430 km (0.097 R)
• M6: 1,825,992 km (0.072 R)
• M7: 2,186,971 km (0.096 R)
• M8: 2,733,901 km (0.101 R)
• M9: 3,181,648 km (0.032 R)
• M10: 4,035,702 km (0.096 R)
• M11: 4,753,024 km (0.118 R)
• M12: 5,668,114 km (0.102 R)
• M13: 7,049,650 km (0.071 R)
• M14: 7,369,191 km (0.115 R)
• M15: 7,842,668 km (0.071 R)
• M16: 9,115,148 km (0.117 R)
• M17: 12,323,125 km (0.091 R)
• M18: 13,058,249 km (0.118 R)
• M19: 13,471,288 km (0.069 R)
• M20: 13,893,005 km (0.032 R)
• M21: 15,362,654 km (0.09 R)
• M22: 17,014,215 km (0.055 R)
• M23: 17,259,555 km (0.103 R)
• M24: 18,435,394 km (0.036 R)
• M25: 20,389,591 km (0.111 R)
• M26: 22,185,065 km (0.106 R)
• M27: 30,544,893 km (0.098 R)
• M28: 32,386,293 km (0.025 R)
• M29: 44,546,207 km (0.071 R)
• M30: 55,035,860 km (0.099 R)
• M31: 55,572,767 km (0.084 R)
• M32: 56,294,128 km (0.095 R)
• M33: 59,805,788 km (0.117 R)
• M34: 60,373,213 km (0.086 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 159 - 19,180 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit