🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.6 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 923.3

Radius: 12.3

Gravity: 6.1 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.96 AU - 1.44 AU

Year: 849 Days

Day: 13.3 Hours

Environment

Temp: -168 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 48,256,625 km

• M1: 153,039 km (0.073 R)
• M2: 538,552 km (0.107 R)
• M3: 1,028,635 km (0.025 R)
• M4: 1,512,883 km (0.058 R)
• M5: 2,542,117 km (0.074 R)
• M6: 3,128,690 km (0.101 R)
• M7: 3,865,908 km (0.07 R)
• M8: 4,351,802 km (0.075 R)
• M9: 5,081,840 km (0.063 R)
• M10: 5,526,145 km (0.102 R)
• M11: 7,619,319 km (0.119 R)
• M12: 8,281,439 km (0.114 R)
• M13: 9,289,729 km (0.088 R)
• M14: 9,779,512 km (0.043 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 701.6

Radius: 13.1

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.99 AU - 1.47 AU

Year: 881 Days

Day: 7.3 Hours

Environment

Temp: -173 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 48,256,625 km

• M1: 163,510 km (0.101 R)
• M2: 674,686 km (0.086 R)
• M3: 1,139,038 km (0.069 R)
• M4: 1,610,720 km (0.086 R)
• M5: 2,084,048 km (0.05 R)
• M6: 2,581,610 km (0.098 R)
• M7: 3,238,196 km (0.052 R)
• M8: 3,716,310 km (0.113 R)
• M9: 4,145,207 km (0.069 R)
• M10: 5,215,281 km (0.101 R)
• M11: 6,724,275 km (0.072 R)
• M12: 8,611,901 km (0.065 R)
• M13: 9,508,590 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 552.2

Radius: 14.7

Gravity: 2.56 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 1.06 AU - 1.42 AU

Year: 892 Days

Day: 6 Hours

Environment

Temp: -172 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 48,256,625 km

• M1: 188,194 km (0.084 R)
• M2: 740,958 km (0.114 R)
• M3: 1,353,262 km (0.096 R)
• M4: 1,973,794 km (0.106 R)
• M5: 2,458,043 km (0.067 R)
• M6: 3,072,441 km (0.093 R)
• M7: 3,906,000 km (0.088 R)
• M8: 4,417,176 km (0.047 R)
• M9: 7,129,236 km (0.063 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 177.5

Radius: 14.8

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 1.5 AU - 1.5 AU

Year: 1186 Days

Day: 11.9 Hours

Environment

Temp: -181 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 48,256,625 km

• M1: 185,352 km (0.088 R)
• M2: 740,210 km (0.106 R)
• M3: 1,219,073 km (0.108 R)
• M4: 1,982,770 km (0.074 R)
• M5: 2,661,945 km (0.077 R)
• M6: 3,182,545 km (0.108 R)
• M7: 3,812,053 km (0.11 R)
• M8: 4,297,199 km (0.041 R)
• M9: 5,694,593 km (0.08 R)
• M10: 6,158,795 km (0.037 R)
• M11: 6,810,293 km (0.115 R)
• M12: 7,355,877 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 191.9

Radius: 11.2

Gravity: 1.53 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 4.05 AU - 5.65 AU

Year: 6896 Days

Day: 9.2 Hours

Environment

Temp: -215 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 48,256,625 km

• M1: 180,265 km (0.102 R)
• M2: 823,237 km (0.105 R)
• M3: 1,191,996 km (0.103 R)
• M4: 1,550,133 km (0.111 R)
• M5: 1,994,738 km (0.112 R)
• M6: 3,562,075 km (0.114 R)
• M7: 4,233,620 km (0.107 R)
• M8: 6,610,730 km (0.069 R)
• M9: 7,493,507 km (0.04 R)
• M10: 9,415,690 km (0.068 R)
• M11: 10,491,299 km (0.098 R)
• M12: 11,209,368 km (0.041 R)
• M13: 12,050,258 km (0.06 R)
• M14: 16,559,138 km (0.067 R)
• M15: 17,885,173 km (0.104 R)
• M16: 19,530,600 km (0.1 R)
• M17: 21,676,133 km (0.096 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 825

Radius: 9.3

Gravity: 9.54 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 4.59 AU - 7.05 AU

Year: 9066 Days

Day: 11 Hours

Environment

Temp: -230 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 48,256,625 km

• M1: 149,299 km (0.099 R)
• M2: 442,511 km (0.093 R)
• M3: 1,022,651 km (0.114 R)
• M4: 1,326,634 km (0.112 R)
• M5: 2,072,529 km (0.091 R)
• M6: 2,772,049 km (0.094 R)
• M7: 3,596,034 km (0.113 R)
• M8: 6,326,195 km (0.115 R)
• M9: 7,050,847 km (0.074 R)
• M10: 7,413,023 km (0.096 R)
• M11: 9,269,982 km (0.099 R)
• M12: 10,103,242 km (0.077 R)
• M13: 10,879,206 km (0.059 R)
• M14: 11,309,001 km (0.105 R)
• M15: 12,607,959 km (0.112 R)
• M16: 13,816,111 km (0.085 R)
• M17: 14,967,865 km (0.104 R)
• M18: 19,114,868 km (0.12 R)
• M19: 19,426,331 km (0.071 R)
• M20: 20,869,950 km (0.071 R)
• M21: 22,041,301 km (0.102 R)
• M22: 22,817,116 km (0.12 R)
• M23: 23,522,021 km (0.093 R)
• M24: 24,150,482 km (0.073 R)
• M25: 24,882,464 km (0.035 R)
• M26: 25,253,916 km (0.113 R)
• M27: 26,390,710 km (0.089 R)
• M28: 28,360,465 km (0.038 R)
• M29: 29,796,455 km (0.083 R)
• M30: 35,204,119 km (0.089 R)
• M31: 36,981,940 km (0.098 R)
• M32: 38,076,996 km (0.074 R)
• M33: 39,444,471 km (0.043 R)
• M34: 45,935,522 km (0.1 R)
• M35: 46,494,719 km (0.113 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 591.2

Radius: 6

Gravity: 16.42 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 6.12 AU - 7.02 AU

Year: 10873 Days

Day: 21.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 48,256,625 km

• M1: 77,193 km (0.099 R)
• M2: 319,840 km (0.102 R)
• M3: 520,900 km (0.108 R)
• M4: 981,512 km (0.105 R)
• M5: 2,158,248 km (0.047 R)
• M6: 2,889,034 km (0.094 R)
• M7: 4,291,963 km (0.046 R)
• M8: 4,764,393 km (0.12 R)
• M9: 6,097,310 km (0.103 R)
• M10: 8,356,088 km (0.117 R)
• M11: 9,426,910 km (0.087 R)
• M12: 10,378,203 km (0.108 R)
• M13: 13,801,152 km (0.041 R)
• M14: 17,612,606 km (0.108 R)
• M15: 17,908,959 km (0.112 R)
• M16: 18,133,506 km (0.093 R)
• M17: 18,435,694 km (0.07 R)
• M18: 19,997,645 km (0.091 R)
• M19: 20,320,178 km (0.099 R)
• M20: 21,561,092 km (0.09 R)
• M21: 22,851,673 km (0.094 R)
• M22: 25,115,687 km (0.077 R)
• M23: 25,302,984 km (0.107 R)
• M24: 25,870,708 km (0.069 R)
• M25: 27,129,574 km (0.049 R)
• M26: 28,125,297 km (0.107 R)
• M27: 28,327,404 km (0.062 R)
• M28: 34,041,444 km (0.094 R)
• M29: 36,864,057 km (0.037 R)
• M30: 38,084,925 km (0.07 R)
• M31: 43,103,934 km (0.082 R)
• M32: 44,185,227 km (0.06 R)
• M33: 46,684,110 km (0.086 R)
• M34: 47,251,834 km (0.094 R)
• M35: 47,968,108 km (0.078 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 190 - 13,573 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit