🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 74.2

Radius: 13.8

Gravity: 0.39 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 0.79 AU - 0.99 AU

Year: 560 Days

Day: 5.4 Hours

Environment

Temp: -160 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 79,366,497 km

• M1: 171,589 km (0.083 R)
• M2: 874,100 km (0.068 R)
• M3: 1,331,271 km (0.11 R)
• M4: 2,340,907 km (0.092 R)
• M5: 3,093,983 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 705.8

Radius: 9.7

Gravity: 7.5 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 0.73 AU - 1.07 AU

Year: 569 Days

Day: 5.7 Hours

Environment

Temp: -171 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 79,366,497 km

• M1: 120,576 km (0.054 R)
• M2: 422,614 km (0.088 R)
• M3: 728,990 km (0.07 R)
• M4: 1,134,251 km (0.111 R)
• M5: 1,452,895 km (0.112 R)
• M6: 1,898,995 km (0.09 R)
• M7: 2,414,809 km (0.115 R)
• M8: 2,750,058 km (0.059 R)
• M9: 3,713,917 km (0.109 R)
• M10: 4,018,947 km (0.069 R)
• M11: 5,376,847 km (0.09 R)
• M12: 5,971,648 km (0.049 R)
• M13: 6,629,878 km (0.072 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 26.9

Radius: 8.6

Gravity: 0.36 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 0.87 AU - 1.39 AU

Year: 801 Days

Day: 15 Hours

Environment

Temp: -183 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 79,366,497 km

• M1: 107,262 km (0.088 R)
• M2: 389,403 km (0.064 R)
• M3: 700,716 km (0.089 R)
• M4: 1,717,234 km (0.089 R)
• M5: 2,243,070 km (0.056 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 723.5

Radius: 13.7

Gravity: 3.85 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 2.13 AU - 2.77 AU

Year: 2557 Days

Day: 11.9 Hours

Environment

Temp: -203 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 79,366,497 km

• M1: 170,691 km (0.097 R)
• M2: 598,391 km (0.086 R)
• M3: 1,149,959 km (0.114 R)
• M4: 1,831,228 km (0.117 R)
• M5: 2,259,825 km (0.112 R)
• M6: 2,833,384 km (0.056 R)
• M7: 3,291,752 km (0.115 R)
• M8: 4,053,654 km (0.027 R)
• M9: 4,772,172 km (0.11 R)
• M10: 5,281,254 km (0.117 R)
• M11: 6,519,625 km (0.12 R)
• M12: 7,817,386 km (0.067 R)
• M13: 8,395,433 km (0.101 R)
• M14: 10,265,256 km (0.076 R)
• M15: 10,841,657 km (0.068 R)
• M16: 12,017,347 km (0.079 R)
• M17: 13,097,593 km (0.074 R)
• M18: 13,776,318 km (0.031 R)
• M19: 14,621,546 km (0.072 R)
• M20: 15,105,944 km (0.111 R)
• M21: 19,318,022 km (0.047 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 725.4

Radius: 13.2

Gravity: 4.16 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 2.48 AU - 3.58 AU

Year: 3517 Days

Day: 12.1 Hours

Environment

Temp: -205 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 79,366,497 km

• M1: 164,408 km (0.04 R)
• M2: 656,136 km (0.041 R)
• M3: 1,246,001 km (0.036 R)
• M4: 4,737,017 km (0.075 R)
• M5: 5,625,628 km (0.091 R)
• M6: 6,297,023 km (0.03 R)
• M7: 6,927,877 km (0.078 R)
• M8: 8,072,899 km (0.093 R)
• M9: 8,818,346 km (0.116 R)
• M10: 10,162,333 km (0.043 R)
• M11: 13,840,496 km (0.07 R)
• M12: 14,804,953 km (0.103 R)
• M13: 15,867,996 km (0.078 R)
• M14: 17,152,742 km (0.063 R)
• M15: 17,673,941 km (0.066 R)
• M16: 21,758,113 km (0.106 R)
• M17: 22,300,704 km (0.091 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 853.5

Radius: 14.8

Gravity: 3.9 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 3.33 AU - 3.73 AU

Year: 4423 Days

Day: 10.2 Hours

Environment

Temp: -208 °C

Axial Tilt: 42.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 79,366,497 km

• M1: 184,155 km (0.099 R)
• M2: 683,363 km (0.049 R)
• M3: 1,215,034 km (0.045 R)
• M4: 1,804,001 km (0.114 R)
• M5: 2,280,320 km (0.105 R)
• M6: 3,042,821 km (0.079 R)
• M7: 3,578,830 km (0.119 R)
• M8: 4,614,197 km (0.077 R)
• M9: 5,665,870 km (0.119 R)
• M10: 6,172,109 km (0.051 R)
• M11: 6,773,642 km (0.109 R)
• M12: 8,021,288 km (0.063 R)
• M13: 8,777,954 km (0.05 R)
• M14: 9,959,478 km (0.102 R)
• M15: 10,879,505 km (0.089 R)
• M16: 11,570,797 km (0.038 R)
• M17: 13,928,459 km (0.119 R)
• M18: 15,476,797 km (0.089 R)
• M19: 15,998,146 km (0.106 R)
• M20: 17,260,303 km (0.095 R)
• M21: 21,445,902 km (0.053 R)
• M22: 22,313,570 km (0.112 R)
• M23: 23,506,912 km (0.075 R)
• M24: 25,939,373 km (0.111 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 657

Radius: 3.6

Gravity: 50.69 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 8.27 AU - 12.15 AU

Year: 21755 Days

Day: 16 Hours

Environment

Temp: -241 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 79,366,497 km

• M1: 44,730 km (0.111 R)
• M2: 195,973 km (0.115 R)
• M3: 522,994 km (0.102 R)
• M4: 1,406,968 km (0.11 R)
• M5: 1,919,939 km (0.079 R)
• M6: 5,083,336 km (0.081 R)
• M7: 5,471,841 km (0.049 R)
• M8: 7,418,558 km (0.101 R)
• M9: 7,816,040 km (0.111 R)
• M10: 9,607,325 km (0.115 R)
• M11: 11,392,177 km (0.115 R)
• M12: 11,654,572 km (0.085 R)
• M13: 13,678,631 km (0.081 R)
• M14: 25,652,145 km (0.033 R)
• M15: 27,957,748 km (0.046 R)
• M16: 33,642,616 km (0.057 R)
• M17: 34,865,130 km (0.108 R)
• M18: 35,836,170 km (0.097 R)
• M19: 43,461,024 km (0.05 R)
• M20: 50,674,035 km (0.108 R)
• M21: 56,911,967 km (0.105 R)
• M22: 58,256,702 km (0.113 R)
• M23: 61,811,596 km (0.039 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: 194 - 10,895 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit