🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 883.1

Radius: 12.3

Gravity: 5.84 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 0.52 AU - 0.66 AU

Year: 302 Days

Day: 14.5 Hours

Environment

Temp: -146 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 32,916,738 km

• M1: 153,039 km (0.11 R)
• M2: 591,360 km (0.108 R)
• M3: 1,033,572 km (0.054 R)
• M4: 1,513,482 km (0.038 R)
• M5: 2,070,285 km (0.088 R)
• M6: 2,751,853 km (0.118 R)
• M7: 3,156,814 km (0.118 R)
• M8: 3,672,029 km (0.07 R)
• M9: 4,190,984 km (0.063 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 990.4

Radius: 12.9

Gravity: 5.95 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.61 AU - 0.99 AU

Year: 477 Days

Day: 14.4 Hours

Environment

Temp: -163 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 32,916,738 km

• M1: 160,369 km (0.108 R)
• M2: 603,179 km (0.102 R)
• M3: 1,424,172 km (0.081 R)
• M4: 2,039,468 km (0.106 R)
• M5: 3,042,521 km (0.081 R)
• M6: 4,059,937 km (0.109 R)
• M7: 5,090,666 km (0.109 R)
• M8: 6,288,646 km (0.036 R)
• M9: 6,780,972 km (0.049 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 366.5

Radius: 11.6

Gravity: 2.72 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.66 AU - 1.08 AU

Year: 541 Days

Day: 10.3 Hours

Environment

Temp: -179 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 32,916,738 km

• M1: 144,661 km (0.075 R)
• M2: 537,505 km (0.096 R)
• M3: 1,186,012 km (0.051 R)
• M4: 1,606,232 km (0.081 R)
• M5: 2,341,805 km (0.073 R)
• M6: 2,848,493 km (0.055 R)
• M7: 3,593,490 km (0.108 R)
• M8: 4,436,175 km (0.074 R)
• M9: 5,232,634 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 31.2

Radius: 13.4

Gravity: 0.17 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 1.31 AU - 1.45 AU

Year: 1081 Days

Day: 10.7 Hours

Environment

Temp: -189 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 32,916,738 km

• M1: 166,652 km (0.113 R)
• M2: 748,887 km (0.101 R)
• M3: 1,917,546 km (0.083 R)
• M4: 3,708,980 km (0.066 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 165

Radius: 12.7

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 1.12 AU - 1.66 AU

Year: 1093 Days

Day: 11 Hours

Environment

Temp: -189 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 32,916,738 km

• M1: 158,125 km (0.08 R)
• M2: 571,464 km (0.118 R)
• M3: 1,149,360 km (0.095 R)
• M4: 1,669,512 km (0.088 R)
• M5: 2,491,253 km (0.114 R)
• M6: 3,366,850 km (0.08 R)
• M7: 3,870,097 km (0.119 R)
• M8: 4,558,098 km (0.11 R)
• M9: 4,980,113 km (0.093 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 949.4

Radius: 8.2

Gravity: 14.12 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 1.92 AU - 2.08 AU

Year: 1886 Days

Day: 14.8 Hours

Environment

Temp: -198 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 32,916,738 km

• M1: 105,915 km (0.103 R)
• M2: 365,318 km (0.099 R)
• M3: 724,203 km (0.105 R)
• M4: 1,008,888 km (0.112 R)
• M5: 1,271,432 km (0.096 R)
• M6: 1,570,329 km (0.069 R)
• M7: 1,847,683 km (0.115 R)
• M8: 2,170,516 km (0.086 R)
• M9: 2,433,658 km (0.116 R)
• M10: 3,220,393 km (0.102 R)
• M11: 3,971,674 km (0.079 R)
• M12: 4,368,258 km (0.113 R)
• M13: 4,812,863 km (0.095 R)
• M14: 9,843,091 km (0.042 R)
• M15: 10,645,384 km (0.087 R)
• M16: 10,947,572 km (0.089 R)
• M17: 13,140,527 km (0.085 R)
• M18: 14,755,586 km (0.044 R)
• M19: 15,756,545 km (0.089 R)
• M20: 17,576,703 km (0.035 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 867.4

Radius: 10.6

Gravity: 7.72 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 3.25 AU - 4.47 AU

Year: 5057 Days

Day: 11.7 Hours

Environment

Temp: -220 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 32,916,738 km

• M1: 139,276 km (0.119 R)
• M2: 471,532 km (0.074 R)
• M3: 990,787 km (0.1 R)
• M4: 1,573,919 km (0.036 R)
• M5: 2,017,327 km (0.047 R)
• M6: 2,492,001 km (0.069 R)
• M7: 3,281,579 km (0.113 R)
• M8: 3,712,421 km (0.081 R)
• M9: 4,480,755 km (0.048 R)
• M10: 6,139,646 km (0.061 R)
• M11: 6,628,382 km (0.092 R)
• M12: 7,002,976 km (0.105 R)
• M13: 7,832,496 km (0.089 R)
• M14: 9,729,696 km (0.068 R)
• M15: 10,855,270 km (0.096 R)
• M16: 12,885,762 km (0.114 R)
• M17: 13,797,711 km (0.071 R)
• M18: 15,630,135 km (0.066 R)
• M19: 16,729,530 km (0.076 R)
• M20: 17,298,151 km (0.099 R)
• M21: 18,877,755 km (0.079 R)
• M22: 19,563,512 km (0.102 R)
• M23: 20,623,263 km (0.083 R)
• M24: 26,844,291 km (0.067 R)
• M25: 27,623,995 km (0.064 R)
• M26: 28,956,912 km (0.111 R)
• M27: 30,706,160 km (0.105 R)
• M28: 32,330,194 km (0.063 R)
• M29: 32,720,495 km (0.048 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 248 - 18,854 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit