🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 218.8

Radius: 9.5

Gravity: 2.42 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 0.78 AU - 0.98 AU

Year: 525 Days

Day: 11.4 Hours

Environment

Temp: -154 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 35,463,014 km

• M1: 118,182 km (0.085 R)
• M2: 426,504 km (0.067 R)
• M3: 795,711 km (0.105 R)
• M4: 1,253,181 km (0.083 R)
• M5: 1,653,056 km (0.062 R)
• M6: 2,316,224 km (0.102 R)
• M7: 2,621,852 km (0.104 R)
• M8: 2,974,454 km (0.098 R)
• M9: 3,315,687 km (0.113 R)
• M10: 3,752,663 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 772.5

Radius: 13

Gravity: 4.57 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 0.88 AU - 0.92 AU

Year: 543 Days

Day: 5.2 Hours

Environment

Temp: -147 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 35,463,014 km

• M1: 161,715 km (0.114 R)
• M2: 605,722 km (0.039 R)
• M3: 1,030,430 km (0.112 R)
• M4: 1,436,140 km (0.099 R)
• M5: 1,968,858 km (0.089 R)
• M6: 2,622,002 km (0.075 R)
• M7: 3,134,823 km (0.055 R)
• M8: 3,595,734 km (0.061 R)
• M9: 4,639,778 km (0.028 R)
• M10: 5,447,606 km (0.083 R)
• M11: 5,894,904 km (0.073 R)
• M12: 6,463,974 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 47

Radius: 8.1

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 1.28 AU - 1.54 AU

Year: 1065 Days

Day: 7.7 Hours

Environment

Temp: -178 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 35,463,014 km

• M1: 101,128 km (0.066 R)
• M2: 763,996 km (0.084 R)
• M3: 1,213,987 km (0.092 R)
• M4: 1,629,270 km (0.074 R)
• M5: 1,881,642 km (0.102 R)
• M6: 2,868,988 km (0.095 R)
• M7: 3,553,847 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 492.6

Radius: 10.3

Gravity: 4.64 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 2.5 AU - 2.88 AU

Year: 2805 Days

Day: 13.7 Hours

Environment

Temp: -206 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 35,463,014 km

• M1: 128,355 km (0.116 R)
• M2: 569,220 km (0.074 R)
• M3: 1,203,814 km (0.095 R)
• M4: 1,621,940 km (0.082 R)
• M5: 2,161,689 km (0.094 R)
• M6: 2,523,866 km (0.077 R)
• M7: 2,942,141 km (0.036 R)
• M8: 3,459,152 km (0.106 R)
• M9: 4,075,345 km (0.027 R)
• M10: 4,896,189 km (0.1 R)
• M11: 5,673,649 km (0.074 R)
• M12: 6,477,139 km (0.109 R)
• M13: 8,181,807 km (0.111 R)
• M14: 8,634,490 km (0.111 R)
• M15: 9,069,820 km (0.101 R)
• M16: 11,154,017 km (0.108 R)
• M17: 11,590,245 km (0.119 R)
• M18: 12,078,981 km (0.101 R)
• M19: 12,454,621 km (0.093 R)
• M20: 14,827,243 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 381.9

Radius: 13.6

Gravity: 2.06 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 4.19 AU - 4.21 AU

Year: 5473 Days

Day: 7.3 Hours

Environment

Temp: -204 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 35,463,014 km

• M1: 169,644 km (0.046 R)
• M2: 1,020,407 km (0.11 R)
• M3: 1,631,066 km (0.099 R)
• M4: 2,283,462 km (0.108 R)
• M5: 2,962,038 km (0.113 R)
• M6: 3,467,080 km (0.085 R)
• M7: 7,108,741 km (0.071 R)
• M8: 7,881,713 km (0.11 R)
• M9: 8,897,483 km (0.108 R)
• M10: 9,836,060 km (0.095 R)
• M11: 10,667,824 km (0.109 R)
• M12: 11,322,016 km (0.075 R)
• M13: 12,142,261 km (0.114 R)
• M14: 12,614,691 km (0.087 R)
• M15: 14,003,707 km (0.072 R)
• M16: 15,824,762 km (0.119 R)
• M17: 17,798,855 km (0.081 R)
• M18: 18,782,611 km (0.084 R)
• M19: 19,224,224 km (0.051 R)
• M20: 21,469,090 km (0.108 R)
• M21: 24,105,004 km (0.083 R)
• M22: 25,004,387 km (0.094 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 872.7

Radius: 14.6

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 3.32 AU - 5.36 AU

Year: 5749 Days

Day: 9.8 Hours

Environment

Temp: -216 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 35,463,014 km

• M1: 184,454 km (0.088 R)
• M2: 817,104 km (0.08 R)
• M3: 1,277,566 km (0.085 R)
• M4: 1,992,045 km (0.111 R)
• M5: 2,469,113 km (0.093 R)
• M6: 3,043,269 km (0.09 R)
• M7: 4,134,586 km (0.103 R)
• M8: 5,747,700 km (0.106 R)
• M9: 6,292,086 km (0.113 R)
• M10: 7,337,626 km (0.033 R)
• M11: 8,700,313 km (0.11 R)
• M12: 9,639,788 km (0.102 R)
• M13: 10,645,833 km (0.055 R)
• M14: 11,321,716 km (0.096 R)
• M15: 11,872,835 km (0.025 R)
• M16: 13,578,550 km (0.069 R)
• M17: 16,627,355 km (0.099 R)
• M18: 17,274,814 km (0.075 R)
• M19: 22,132,855 km (0.093 R)
• M20: 24,045,315 km (0.083 R)
• M21: 25,721,259 km (0.1 R)
• M22: 26,587,880 km (0.105 R)
• M23: 33,006,377 km (0.034 R)
• M24: 34,237,118 km (0.079 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 129.6

Radius: 5.8

Gravity: 3.85 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 6.51 AU - 9.67 AU

Year: 14630 Days

Day: 24.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 35,463,014 km

• M1: 72,106 km (0.066 R)
• M2: 307,274 km (0.084 R)
• M3: 612,005 km (0.114 R)
• M4: 2,440,540 km (0.101 R)
• M5: 3,297,137 km (0.069 R)
• M6: 4,906,212 km (0.071 R)
• M7: 5,164,118 km (0.097 R)
• M8: 6,591,881 km (0.04 R)
• M9: 12,900,124 km (0.119 R)
• M10: 16,166,294 km (0.116 R)
• M11: 19,372,176 km (0.12 R)
• M12: 20,824,472 km (0.111 R)
• M13: 23,862,656 km (0.052 R)
• M14: 26,391,458 km (0.082 R)
• M15: 28,173,318 km (0.079 R)
• M16: 29,186,694 km (0.085 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 285 - 11,701 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit