🌌 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: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 878

Radius: 8.7

Gravity: 11.6 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 0.64 AU - 0.68 AU

Year: 364 Days

Day: 13.9 Hours

Environment

Temp: -145 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 73,663,725 km

• M1: 108,159 km (0.104 R)
• M2: 389,852 km (0.069 R)
• M3: 763,847 km (0.107 R)
• M4: 1,066,782 km (0.082 R)
• M5: 1,387,221 km (0.095 R)
• M6: 1,662,332 km (0.093 R)
• M7: 1,958,236 km (0.101 R)
• M8: 2,316,523 km (0.07 R)
• M9: 3,000,634 km (0.116 R)
• M10: 3,813,250 km (0.045 R)
• M11: 4,291,963 km (0.046 R)
• M12: 4,976,523 km (0.106 R)
• M13: 5,289,182 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 898.8

Radius: 14.4

Gravity: 4.33 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 0.71 AU - 0.91 AU

Year: 494 Days

Day: 6.3 Hours

Environment

Temp: -160 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 73,663,725 km

• M1: 179,069 km (0.074 R)
• M2: 726,896 km (0.115 R)
• M3: 1,395,599 km (0.11 R)
• M4: 1,885,532 km (0.059 R)
• M5: 2,645,190 km (0.119 R)
• M6: 3,706,886 km (0.061 R)
• M7: 4,306,773 km (0.036 R)
• M8: 5,151,851 km (0.078 R)
• M9: 6,448,117 km (0.096 R)
• M10: 7,027,958 km (0.06 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 346.2

Radius: 15

Gravity: 1.54 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 1.81 AU - 1.81 AU

Year: 1652 Days

Day: 13 Hours

Environment

Temp: -203 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 73,663,725 km

• M1: 190,438 km (0.085 R)
• M2: 883,375 km (0.119 R)
• M3: 1,583,045 km (0.105 R)
• M4: 2,881,255 km (0.068 R)
• M5: 3,789,015 km (0.037 R)
• M6: 4,621,377 km (0.11 R)
• M7: 6,936,255 km (0.115 R)
• M8: 7,530,009 km (0.077 R)
• M9: 8,319,886 km (0.11 R)
• M10: 10,034,726 km (0.071 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 343.7

Radius: 14.6

Gravity: 1.61 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 2.6 AU - 3.66 AU

Year: 3756 Days

Day: 10 Hours

Environment

Temp: -205 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 73,663,725 km

• M1: 182,360 km (0.078 R)
• M2: 670,647 km (0.073 R)
• M3: 1,392,307 km (0.103 R)
• M4: 2,422,887 km (0.098 R)
• M5: 3,631,638 km (0.108 R)
• M6: 4,094,643 km (0.055 R)
• M7: 4,841,137 km (0.061 R)
• M8: 5,527,193 km (0.09 R)
• M9: 5,985,112 km (0.104 R)
• M10: 6,748,360 km (0.104 R)
• M11: 7,242,781 km (0.104 R)
• M12: 8,110,299 km (0.112 R)
• M13: 9,326,380 km (0.104 R)
• M14: 9,831,123 km (0.091 R)
• M15: 10,430,113 km (0.115 R)
• M16: 14,266,102 km (0.036 R)
• M17: 16,034,947 km (0.069 R)
• M18: 17,132,098 km (0.105 R)
• M19: 19,013,889 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 754.6

Radius: 14.5

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 3.11 AU - 3.99 AU

Year: 4537 Days

Day: 6.9 Hours

Environment

Temp: -218 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 73,663,725 km

• M1: 180,714 km (0.054 R)
• M2: 634,145 km (0.076 R)
• M3: 1,114,355 km (0.109 R)
• M4: 1,786,797 km (0.105 R)
• M5: 2,286,603 km (0.093 R)
• M6: 2,774,741 km (0.069 R)
• M7: 3,352,787 km (0.034 R)
• M8: 3,833,146 km (0.098 R)
• M9: 4,504,841 km (0.074 R)
• M10: 5,731,394 km (0.099 R)
• M11: 6,904,091 km (0.084 R)
• M12: 7,512,955 km (0.056 R)
• M13: 8,493,419 km (0.077 R)
• M14: 8,995,170 km (0.119 R)
• M15: 9,722,665 km (0.101 R)
• M16: 11,067,550 km (0.112 R)
• M17: 12,681,561 km (0.032 R)
• M18: 13,597,100 km (0.037 R)
• M19: 17,520,155 km (0.069 R)
• M20: 18,272,183 km (0.089 R)
• M21: 19,242,325 km (0.113 R)
• M22: 19,908,036 km (0.06 R)
• M23: 25,559,843 km (0.063 R)
• M24: 27,855,872 km (0.119 R)
• M25: 28,450,673 km (0.038 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 470.9

Radius: 7.2

Gravity: 9.08 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 8.59 AU - 12.35 AU

Year: 22978 Days

Day: 21.8 Hours

Environment

Temp: -241 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 73,663,725 km

• M1: 89,609 km (0.096 R)
• M2: 562,937 km (0.115 R)
• M3: 950,096 km (0.095 R)
• M4: 1,537,717 km (0.1 R)
• M5: 2,017,028 km (0.062 R)
• M6: 2,302,610 km (0.107 R)
• M7: 3,409,036 km (0.112 R)
• M8: 4,658,478 km (0.104 R)
• M9: 6,660,845 km (0.117 R)
• M10: 7,344,807 km (0.046 R)
• M11: 8,024,579 km (0.063 R)
• M12: 8,587,516 km (0.069 R)
• M13: 15,587,500 km (0.118 R)
• M14: 17,371,006 km (0.111 R)
• M15: 19,286,307 km (0.058 R)
• M16: 32,770,760 km (0.097 R)
• M17: 38,900,982 km (0.029 R)
• M18: 51,608,124 km (0.105 R)
• M19: 66,617,577 km (0.081 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 333 - 18,060 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit