🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 303.1

Radius: 11.3

Gravity: 2.37 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 0.61 AU - 0.75 AU

Year: 374 Days

Day: 8.1 Hours

Environment

Temp: -155 °C

Axial Tilt: 46.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 50,237,395 km

• M1: 141,819 km (0.09 R)
• M2: 529,427 km (0.073 R)
• M3: 930,050 km (0.117 R)
• M4: 1,558,062 km (0.116 R)
• M5: 1,955,095 km (0.088 R)
• M6: 2,453,106 km (0.047 R)
• M7: 2,846,548 km (0.094 R)
• M8: 3,416,217 km (0.103 R)
• M9: 3,784,677 km (0.042 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 624.5

Radius: 8

Gravity: 9.76 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 1.35 AU - 1.61 AU

Year: 1201 Days

Day: 12 Hours

Environment

Temp: -197 °C

Axial Tilt: 44.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 50,237,395 km

• M1: 99,483 km (0.048 R)
• M2: 484,398 km (0.08 R)
• M3: 769,681 km (0.102 R)
• M4: 1,234,182 km (0.067 R)
• M5: 1,816,417 km (0.077 R)
• M6: 2,253,393 km (0.081 R)
• M7: 2,823,660 km (0.088 R)
• M8: 3,426,689 km (0.049 R)
• M9: 4,146,554 km (0.074 R)
• M10: 4,624,519 km (0.05 R)
• M11: 5,904,927 km (0.093 R)
• M12: 6,372,420 km (0.069 R)
• M13: 7,231,112 km (0.057 R)
• M14: 7,924,050 km (0.074 R)
• M15: 8,548,770 km (0.101 R)
• M16: 10,491,598 km (0.101 R)
• M17: 10,880,104 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 851

Radius: 8.7

Gravity: 11.24 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 1.89 AU - 3.09 AU

Year: 2620 Days

Day: 7.7 Hours

Environment

Temp: -212 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 50,237,395 km

• M1: 108,159 km (0.111 R)
• M2: 432,188 km (0.065 R)
• M3: 789,578 km (0.118 R)
• M4: 1,071,270 km (0.119 R)
• M5: 1,401,882 km (0.108 R)
• M6: 1,957,937 km (0.118 R)
• M7: 2,386,385 km (0.089 R)
• M8: 3,376,873 km (0.1 R)
• M9: 3,696,713 km (0.064 R)
• M10: 4,375,588 km (0.111 R)
• M11: 4,826,027 km (0.108 R)
• M12: 5,110,862 km (0.096 R)
• M13: 5,636,698 km (0.1 R)
• M14: 6,592,629 km (0.111 R)
• M15: 6,973,954 km (0.1 R)
• M16: 8,041,334 km (0.055 R)
• M17: 9,653,999 km (0.097 R)
• M18: 10,655,258 km (0.083 R)
• M19: 11,513,351 km (0.104 R)
• M20: 13,274,268 km (0.083 R)
• M21: 14,658,198 km (0.087 R)
• M22: 16,667,746 km (0.115 R)
• M23: 17,878,890 km (0.098 R)
• M24: 18,679,688 km (0.094 R)
• M25: 20,291,156 km (0.062 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 66.8

Radius: 10.3

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 3.63 AU - 4.67 AU

Year: 5638 Days

Day: 5.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 50,237,395 km

• M1: 132,245 km (0.117 R)
• M2: 477,367 km (0.089 R)
• M3: 909,106 km (0.117 R)
• M4: 1,365,380 km (0.076 R)
• M5: 1,768,845 km (0.109 R)
• M6: 2,571,438 km (0.111 R)
• M7: 3,685,942 km (0.069 R)
• M8: 5,539,160 km (0.071 R)
• M9: 6,916,957 km (0.08 R)
• M10: 11,193,511 km (0.112 R)
• M11: 14,135,802 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 994.8

Radius: 14.8

Gravity: 4.54 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 4.47 AU - 5.23 AU

Year: 7123 Days

Day: 5.8 Hours

Environment

Temp: -232 °C

Axial Tilt: 41.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 50,237,395 km

• M1: 184,155 km (0.115 R)
• M2: 765,193 km (0.049 R)
• M3: 1,268,440 km (0.112 R)
• M4: 1,733,241 km (0.103 R)
• M5: 2,881,405 km (0.068 R)
• M6: 3,516,747 km (0.099 R)
• M7: 4,244,690 km (0.086 R)
• M8: 4,892,150 km (0.057 R)
• M9: 5,735,882 km (0.059 R)
• M10: 6,457,691 km (0.049 R)
• M11: 8,336,641 km (0.085 R)
• M12: 9,264,596 km (0.102 R)
• M13: 10,963,130 km (0.12 R)
• M14: 14,593,123 km (0.051 R)
• M15: 16,341,174 km (0.052 R)
• M16: 19,032,888 km (0.09 R)
• M17: 21,925,962 km (0.071 R)
• M18: 23,093,573 km (0.067 R)
• M19: 25,011,418 km (0.036 R)
• M20: 27,222,474 km (0.114 R)
• M21: 30,064,684 km (0.057 R)
• M22: 32,136,615 km (0.052 R)
• M23: 35,874,916 km (0.068 R)
• M24: 43,292,277 km (0.074 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 148.9

Radius: 5.8

Gravity: 4.43 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 10.25 AU - 10.95 AU

Year: 23014 Days

Day: 17.1 Hours

Environment

Temp: -233 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 50,237,395 km

• M1: 72,705 km (0.073 R)
• M2: 570,716 km (0.095 R)
• M3: 1,115,402 km (0.099 R)
• M4: 2,278,675 km (0.046 R)
• M5: 3,504,330 km (0.051 R)
• M6: 3,815,344 km (0.106 R)
• M7: 5,313,716 km (0.056 R)
• M8: 7,248,615 km (0.112 R)
• M9: 7,456,407 km (0.073 R)
• M10: 9,168,106 km (0.107 R)
• M11: 10,012,585 km (0.111 R)
• M12: 10,853,774 km (0.118 R)
• M13: 17,875,599 km (0.107 R)
• M14: 18,640,643 km (0.101 R)
• M15: 24,246,224 km (0.108 R)
• M16: 29,277,500 km (0.09 R)
• M17: 32,992,314 km (0.039 R)
• M18: 40,553,290 km (0.114 R)
• M19: 41,077,182 km (0.114 R)
• M20: 46,140,471 km (0.082 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 391 - 12,445 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit