🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 470.7

Radius: 9.9

Gravity: 4.8 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 0.47 AU - 0.69 AU

Year: 305 Days

Day: 7.7 Hours

Environment

Temp: -155 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 63,120,044 km

• M1: 123,119 km (0.087 R)
• M2: 560,543 km (0.071 R)
• M3: 1,054,665 km (0.08 R)
• M4: 1,365,829 km (0.038 R)
• M5: 2,380,252 km (0.115 R)
• M6: 3,033,097 km (0.062 R)
• M7: 3,407,391 km (0.059 R)
• M8: 3,733,364 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 825.9

Radius: 10.9

Gravity: 6.95 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 0.74 AU - 0.8 AU

Year: 466 Days

Day: 8 Hours

Environment

Temp: -154 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 63,120,044 km

• M1: 135,835 km (0.066 R)
• M2: 493,673 km (0.076 R)
• M3: 906,713 km (0.096 R)
• M4: 1,272,629 km (0.103 R)
• M5: 1,656,348 km (0.087 R)
• M6: 2,791,197 km (0.111 R)
• M7: 3,243,731 km (0.038 R)
• M8: 3,837,634 km (0.118 R)
• M9: 4,311,411 km (0.093 R)
• M10: 5,410,955 km (0.118 R)
• M11: 5,990,048 km (0.101 R)
• M12: 6,456,046 km (0.07 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 415.9

Radius: 8.7

Gravity: 5.49 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 0.81 AU - 1.01 AU

Year: 599 Days

Day: 12.4 Hours

Environment

Temp: -170 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 63,120,044 km

• M1: 108,159 km (0.108 R)
• M2: 607,367 km (0.081 R)
• M3: 1,375,253 km (0.059 R)
• M4: 1,731,745 km (0.112 R)
• M5: 2,149,422 km (0.07 R)
• M6: 2,582,807 km (0.074 R)
• M7: 3,305,814 km (0.105 R)
• M8: 4,255,760 km (0.089 R)
• M9: 4,664,761 km (0.081 R)
• M10: 5,750,991 km (0.05 R)
• M11: 6,087,736 km (0.062 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 140.8

Radius: 14

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 1.23 AU - 1.65 AU

Year: 1193 Days

Day: 11.2 Hours

Environment

Temp: -197 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 63,120,044 km

• M1: 174,132 km (0.086 R)
• M2: 648,058 km (0.079 R)
• M3: 1,202,767 km (0.11 R)
• M4: 2,183,381 km (0.12 R)
• M5: 2,870,185 km (0.088 R)
• M6: 5,208,250 km (0.095 R)
• M7: 6,047,644 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 471.5

Radius: 13.7

Gravity: 2.51 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 1.4 AU - 1.7 AU

Year: 1332 Days

Day: 14.8 Hours

Environment

Temp: -198 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 63,120,044 km

• M1: 170,392 km (0.052 R)
• M2: 860,786 km (0.082 R)
• M3: 1,788,293 km (0.077 R)
• M4: 2,258,180 km (0.07 R)
• M5: 3,280,681 km (0.067 R)
• M6: 4,011,018 km (0.117 R)
• M7: 5,427,560 km (0.091 R)
• M8: 6,520,223 km (0.12 R)
• M9: 7,010,904 km (0.094 R)
• M10: 7,526,119 km (0.12 R)
• M11: 8,414,282 km (0.101 R)
• M12: 10,588,238 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 309.1

Radius: 8.2

Gravity: 4.6 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 1.93 AU - 2.71 AU

Year: 2439 Days

Day: 6.4 Hours

Environment

Temp: -213 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 63,120,044 km

• M1: 103,821 km (0.067 R)
• M2: 404,812 km (0.075 R)
• M3: 667,057 km (0.067 R)
• M4: 1,034,768 km (0.12 R)
• M5: 1,409,212 km (0.097 R)
• M6: 1,788,891 km (0.03 R)
• M7: 2,140,596 km (0.079 R)
• M8: 3,432,972 km (0.083 R)
• M9: 4,180,363 km (0.062 R)
• M10: 4,523,840 km (0.086 R)
• M11: 4,783,392 km (0.033 R)
• M12: 5,159,481 km (0.112 R)
• M13: 5,994,536 km (0.066 R)
• M14: 6,432,110 km (0.044 R)
• M15: 6,995,496 km (0.078 R)
• M16: 7,480,642 km (0.088 R)
• M17: 7,759,791 km (0.11 R)
• M18: 8,669,645 km (0.066 R)
• M19: 11,198,747 km (0.12 R)
• M20: 12,128,199 km (0.089 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 833.6

Radius: 3.8

Gravity: 57.73 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 6.83 AU - 7.83 AU

Year: 13698 Days

Day: 19.3 Hours

Environment

Temp: -228 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 63,120,044 km

• M1: 47,273 km (0.09 R)
• M2: 179,517 km (0.071 R)
• M3: 362,625 km (0.081 R)
• M4: 674,088 km (0.114 R)
• M5: 1,585,588 km (0.118 R)
• M6: 1,784,553 km (0.098 R)
• M7: 2,056,372 km (0.103 R)
• M8: 2,637,261 km (0.082 R)
• M9: 2,941,244 km (0.086 R)
• M10: 3,139,611 km (0.1 R)
• M11: 3,934,424 km (0.099 R)
• M12: 4,588,017 km (0.037 R)
• M13: 5,456,732 km (0.096 R)
• M14: 6,595,621 km (0.119 R)
• M15: 7,558,881 km (0.11 R)
• M16: 8,864,721 km (0.088 R)
• M17: 9,174,089 km (0.103 R)
• M18: 9,978,926 km (0.108 R)
• M19: 10,370,274 km (0.104 R)
• M20: 11,423,144 km (0.098 R)
• M21: 13,266,339 km (0.092 R)
• M22: 13,400,379 km (0.099 R)
• M23: 13,945,214 km (0.047 R)
• M24: 14,718,486 km (0.068 R)
• M25: 17,528,981 km (0.051 R)
• M26: 22,148,114 km (0.103 R)
• M27: 23,295,979 km (0.093 R)
• M28: 28,063,813 km (0.056 R)
• M29: 28,284,769 km (0.053 R)
• M30: 29,863,625 km (0.108 R)
• M31: 32,583,314 km (0.059 R)
• M32: 38,645,319 km (0.063 R)
• M33: 42,156,381 km (0.112 R)
• M34: 52,601,902 km (0.113 R)
• M35: 55,849,971 km (0.094 R)
• M36: 56,024,552 km (0.114 R)
• M37: 57,968,876 km (0.079 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 354 - 11,415 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit