🌌 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: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 442.8

Radius: 13.6

Gravity: 2.39 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 0.54 AU - 0.76 AU

Year: 355 Days

Day: 7.6 Hours

Environment

Temp: -150 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 52,158,087 km

• M1: 169,195 km (0.089 R)
• M2: 625,319 km (0.072 R)
• M3: 1,114,355 km (0.082 R)
• M4: 1,573,171 km (0.098 R)
• M5: 2,477,341 km (0.112 R)
• M6: 3,117,171 km (0.047 R)
• M7: 3,581,223 km (0.09 R)
• M8: 4,128,303 km (0.073 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 250.4

Radius: 10.8

Gravity: 2.15 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 0.61 AU - 0.83 AU

Year: 414 Days

Day: 14.7 Hours

Environment

Temp: -152 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 52,158,087 km

• M1: 134,339 km (0.113 R)
• M2: 812,915 km (0.052 R)
• M3: 1,307,037 km (0.084 R)
• M4: 1,755,980 km (0.11 R)
• M5: 2,220,631 km (0.094 R)
• M6: 2,721,484 km (0.068 R)
• M7: 3,086,503 km (0.053 R)
• M8: 3,452,569 km (0.086 R)
• M9: 3,813,699 km (0.057 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 958.6

Radius: 10.1

Gravity: 9.4 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 0.74 AU - 1.04 AU

Year: 569 Days

Day: 11.8 Hours

Environment

Temp: -167 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 52,158,087 km

• M1: 125,662 km (0.119 R)
• M2: 469,139 km (0.073 R)
• M3: 957,426 km (0.115 R)
• M4: 1,301,651 km (0.116 R)
• M5: 1,625,979 km (0.065 R)
• M6: 2,087,937 km (0.082 R)
• M7: 2,549,148 km (0.095 R)
• M8: 3,040,876 km (0.114 R)
• M9: 3,663,652 km (0.104 R)
• M10: 4,276,405 km (0.044 R)
• M11: 4,623,771 km (0.063 R)
• M12: 4,956,028 km (0.096 R)
• M13: 5,412,002 km (0.113 R)
• M14: 6,011,291 km (0.104 R)
• M15: 6,347,288 km (0.119 R)
• M16: 7,409,283 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 188.8

Radius: 8

Gravity: 2.95 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 1.04 AU - 1.38 AU

Year: 903 Days

Day: 14.8 Hours

Environment

Temp: -179 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 52,158,087 km

• M1: 99,483 km (0.104 R)
• M2: 409,898 km (0.089 R)
• M3: 753,225 km (0.082 R)
• M4: 1,029,682 km (0.033 R)
• M5: 2,050,688 km (0.032 R)
• M6: 2,758,286 km (0.066 R)
• M7: 3,087,999 km (0.112 R)
• M8: 3,394,824 km (0.117 R)
• M9: 4,084,171 km (0.076 R)
• M10: 4,499,006 km (0.077 R)
• M11: 5,896,400 km (0.03 R)

Asteroid Belt

Center: 1.88 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 2.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 50.3

Radius: 10.1

Gravity: 0.49 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 1.91 AU - 3.18 AU

Year: 2746 Days

Day: 11.3 Hours

Environment

Temp: -200 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 52,158,087 km

• M1: 125,662 km (0.1 R)
• M2: 512,074 km (0.075 R)
• M3: 965,505 km (0.059 R)
• M4: 1,307,037 km (0.045 R)
• M5: 1,656,348 km (0.027 R)
• M6: 2,078,214 km (0.113 R)
• M7: 2,593,279 km (0.084 R)
• M8: 3,115,376 km (0.115 R)
• M9: 4,044,229 km (0.058 R)
• M10: 5,876,803 km (0.086 R)
• M11: 6,195,147 km (0.114 R)
• M12: 6,780,075 km (0.064 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 777.5

Radius: 9

Gravity: 9.6 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 3.71 AU - 4.27 AU

Year: 5406 Days

Day: 8.3 Hours

Environment

Temp: -211 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 52,158,087 km

• M1: 119,828 km (0.097 R)
• M2: 509,082 km (0.106 R)
• M3: 1,031,777 km (0.089 R)
• M4: 1,706,762 km (0.053 R)
• M5: 2,260,125 km (0.105 R)
• M6: 2,759,482 km (0.119 R)
• M7: 4,026,127 km (0.081 R)
• M8: 4,655,037 km (0.042 R)
• M9: 7,398,363 km (0.116 R)
• M10: 8,223,844 km (0.08 R)
• M11: 11,405,641 km (0.112 R)
• M12: 12,817,845 km (0.109 R)
• M13: 14,627,829 km (0.097 R)
• M14: 15,090,984 km (0.118 R)
• M15: 16,601,923 km (0.069 R)
• M16: 17,426,357 km (0.049 R)
• M17: 22,113,108 km (0.12 R)
• M18: 24,298,733 km (0.08 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 262.3

Radius: 6.2

Gravity: 6.82 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 7.71 AU - 10.31 AU

Year: 18343 Days

Day: 23.5 Hours

Environment

Temp: -225 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 52,158,087 km

• M1: 78,988 km (0.062 R)
• M2: 319,691 km (0.076 R)
• M3: 631,602 km (0.113 R)
• M4: 2,000,273 km (0.109 R)
• M5: 2,348,537 km (0.081 R)
• M6: 2,547,652 km (0.114 R)
• M7: 3,049,253 km (0.09 R)
• M8: 3,745,931 km (0.102 R)
• M9: 5,179,527 km (0.05 R)
• M10: 5,658,689 km (0.117 R)
• M11: 6,018,771 km (0.078 R)
• M12: 6,470,706 km (0.056 R)
• M13: 8,369,402 km (0.097 R)
• M14: 11,382,902 km (0.088 R)
• M15: 18,017,568 km (0.11 R)
• M16: 24,792,257 km (0.06 R)
• M17: 25,755,069 km (0.088 R)
• M18: 28,270,856 km (0.046 R)
• M19: 36,055,032 km (0.031 R)
• M20: 36,792,549 km (0.076 R)
• M21: 38,044,085 km (0.113 R)
• M22: 39,323,895 km (0.071 R)
• M23: 41,968,785 km (0.117 R)
• M24: 44,730,063 km (0.088 R)
• M25: 48,945,431 km (0.118 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 246 - 19,335 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit