🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 273.1

Radius: 14

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 0.47 AU - 0.77 AU

Year: 337 Days

Day: 12.7 Hours

Environment

Temp: -154 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 32,632,104 km

• M1: 174,132 km (0.094 R)
• M2: 633,846 km (0.118 R)
• M3: 1,145,920 km (0.04 R)
• M4: 1,799,962 km (0.096 R)
• M5: 2,297,225 km (0.111 R)
• M6: 2,833,832 km (0.116 R)
• M7: 3,286,067 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 92.1

Radius: 8.7

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.63 AU - 0.93 AU

Year: 476 Days

Day: 6.5 Hours

Environment

Temp: -171 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 32,632,104 km

• M1: 108,159 km (0.088 R)
• M2: 593,305 km (0.069 R)
• M3: 1,091,915 km (0.102 R)
• M4: 2,455,350 km (0.08 R)
• M5: 3,075,882 km (0.051 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 270.2

Radius: 10.9

Gravity: 2.27 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 0.7 AU - 1.02 AU

Year: 551 Days

Day: 11.5 Hours

Environment

Temp: -178 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 32,632,104 km

• M1: 136,134 km (0.072 R)
• M2: 499,806 km (0.11 R)
• M3: 937,081 km (0.071 R)
• M4: 1,281,755 km (0.036 R)
• M5: 2,258,030 km (0.047 R)
• M6: 2,670,771 km (0.106 R)
• M7: 3,080,819 km (0.081 R)
• M8: 3,464,088 km (0.108 R)
• M9: 4,696,775 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 780.4

Radius: 10.5

Gravity: 7.08 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 1.08 AU - 1.24 AU

Year: 862 Days

Day: 11.5 Hours

Environment

Temp: -184 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 32,632,104 km

• M1: 130,599 km (0.05 R)
• M2: 461,509 km (0.111 R)
• M3: 1,026,840 km (0.108 R)
• M4: 1,402,031 km (0.066 R)
• M5: 1,769,892 km (0.092 R)
• M6: 2,373,221 km (0.069 R)
• M7: 2,839,816 km (0.1 R)
• M8: 3,215,905 km (0.087 R)
• M9: 3,654,676 km (0.103 R)
• M10: 4,312,907 km (0.116 R)
• M11: 4,938,375 km (0.093 R)
• M12: 5,369,068 km (0.105 R)
• M13: 5,885,928 km (0.112 R)
• M14: 6,327,392 km (0.074 R)
• M15: 7,910,586 km (0.082 R)
• M16: 8,984,399 km (0.107 R)
• M17: 9,542,250 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 582.6

Radius: 8.2

Gravity: 8.66 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 1.35 AU - 1.87 AU

Year: 1410 Days

Day: 8.1 Hours

Environment

Temp: -204 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 32,632,104 km

• M1: 102,774 km (0.027 R)
• M2: 361,279 km (0.054 R)
• M3: 625,170 km (0.05 R)
• M4: 912,547 km (0.11 R)
• M5: 1,191,697 km (0.113 R)
• M6: 1,519,914 km (0.108 R)
• M7: 2,077,166 km (0.118 R)
• M8: 2,607,940 km (0.064 R)
• M9: 3,052,395 km (0.101 R)
• M10: 4,637,235 km (0.09 R)
• M11: 4,946,753 km (0.115 R)
• M12: 5,869,921 km (0.083 R)
• M13: 6,325,746 km (0.047 R)
• M14: 6,707,221 km (0.095 R)
• M15: 7,154,518 km (0.072 R)
• M16: 7,463,737 km (0.053 R)
• M17: 8,220,104 km (0.068 R)
• M18: 9,086,126 km (0.049 R)
• M19: 10,729,309 km (0.11 R)
• M20: 12,013,008 km (0.113 R)
• M21: 12,303,378 km (0.093 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 266.2

Radius: 8.4

Gravity: 3.77 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 1.83 AU - 2.47 AU

Year: 2176 Days

Day: 8.5 Hours

Environment

Temp: -211 °C

Axial Tilt: 44.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 32,632,104 km

• M1: 104,419 km (0.109 R)
• M2: 379,979 km (0.111 R)
• M3: 661,223 km (0.051 R)
• M4: 963,111 km (0.102 R)
• M5: 1,225,356 km (0.09 R)
• M6: 1,635,853 km (0.063 R)
• M7: 1,962,275 km (0.087 R)
• M8: 2,428,721 km (0.117 R)
• M9: 2,939,149 km (0.115 R)
• M10: 3,333,190 km (0.099 R)
• M11: 3,930,086 km (0.091 R)
• M12: 4,946,753 km (0.114 R)
• M13: 5,335,857 km (0.039 R)
• M14: 6,923,539 km (0.072 R)
• M15: 7,437,258 km (0.099 R)
• M16: 7,948,733 km (0.12 R)
• M17: 8,283,683 km (0.119 R)
• M18: 8,862,776 km (0.107 R)
• M19: 10,231,896 km (0.11 R)
• M20: 10,561,759 km (0.093 R)
• M21: 11,952,870 km (0.104 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 839.9

Radius: 13.5

Gravity: 4.61 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 3.45 AU - 4.11 AU

Year: 5073 Days

Day: 8.1 Hours

Environment

Temp: -225 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 32,632,104 km

• M1: 167,849 km (0.118 R)
• M2: 622,327 km (0.11 R)
• M3: 1,053,169 km (0.114 R)
• M4: 2,020,469 km (0.09 R)
• M5: 2,471,506 km (0.095 R)
• M6: 2,952,164 km (0.082 R)
• M7: 4,057,842 km (0.099 R)
• M8: 5,139,136 km (0.075 R)
• M9: 7,356,924 km (0.075 R)
• M10: 9,124,573 km (0.109 R)
• M11: 11,398,759 km (0.085 R)
• M12: 12,184,447 km (0.102 R)
• M13: 14,362,742 km (0.068 R)
• M14: 15,104,598 km (0.098 R)
• M15: 19,964,584 km (0.102 R)
• M16: 20,745,036 km (0.069 R)
• M17: 24,230,966 km (0.056 R)
• M18: 25,612,651 km (0.116 R)
• M19: 27,564,754 km (0.106 R)
• M20: 28,800,432 km (0.116 R)
• M21: 30,257,665 km (0.107 R)
• M22: 31,859,111 km (0.092 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 358 - 19,119 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit