🌌 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: 805.7

Radius: 14.4

Gravity: 3.89 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.5 AU - 0.82 AU

Year: 377 Days

Day: 8.4 Hours

Environment

Temp: -158 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 12,768,187 km

• M1: 179,218 km (0.105 R)
• M2: 871,856 km (0.103 R)
• M3: 1,333,665 km (0.11 R)
• M4: 1,806,394 km (0.071 R)
• M5: 2,411,368 km (0.065 R)
• M6: 2,957,400 km (0.106 R)
• M7: 3,586,011 km (0.119 R)
• M8: 4,141,617 km (0.06 R)
• M9: 5,083,336 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 576.3

Radius: 10.6

Gravity: 5.13 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 0.66 AU - 0.8 AU

Year: 438 Days

Day: 5.6 Hours

Environment

Temp: -165 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 12,768,187 km

• M1: 135,087 km (0.097 R)
• M2: 590,313 km (0.068 R)
• M3: 977,921 km (0.074 R)
• M4: 1,558,660 km (0.083 R)
• M5: 2,769,356 km (0.102 R)
• M6: 3,482,339 km (0.069 R)
• M7: 4,272,216 km (0.069 R)
• M8: 4,651,746 km (0.098 R)
• M9: 5,008,088 km (0.103 R)
• M10: 5,479,172 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 747.7

Radius: 8.3

Gravity: 10.85 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.93 AU - 1.41 AU

Year: 890 Days

Day: 6.8 Hours

Environment

Temp: -177 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 12,768,187 km

• M1: 103,223 km (0.082 R)
• M2: 413,189 km (0.096 R)
• M3: 887,863 km (0.082 R)
• M4: 1,241,214 km (0.1 R)
• M5: 1,644,081 km (0.062 R)
• M6: 2,366,938 km (0.094 R)
• M7: 2,678,251 km (0.098 R)
• M8: 3,176,711 km (0.061 R)
• M9: 3,586,310 km (0.071 R)
• M10: 3,967,336 km (0.09 R)
• M11: 4,408,948 km (0.086 R)
• M12: 5,236,823 km (0.08 R)
• M13: 5,687,861 km (0.097 R)
• M14: 6,100,751 km (0.099 R)
• M15: 6,445,574 km (0.11 R)
• M16: 7,033,344 km (0.108 R)
• M17: 8,552,809 km (0.03 R)
• M18: 9,067,725 km (0.117 R)
• M19: 9,660,731 km (0.08 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 510.8

Radius: 9

Gravity: 6.31 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 1.18 AU - 1.2 AU

Year: 912 Days

Day: 9.1 Hours

Environment

Temp: -188 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 12,768,187 km

• M1: 111,899 km (0.115 R)
• M2: 453,730 km (0.11 R)
• M3: 738,116 km (0.112 R)
• M4: 1,061,846 km (0.086 R)
• M5: 1,535,473 km (0.117 R)
• M6: 2,105,740 km (0.116 R)
• M7: 4,717,270 km (0.084 R)
• M8: 5,194,038 km (0.035 R)
• M9: 6,039,416 km (0.112 R)
• M10: 7,359,467 km (0.072 R)
• M11: 8,050,310 km (0.033 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 645.7

Radius: 13.5

Gravity: 3.54 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 1.32 AU - 1.6 AU

Year: 1240 Days

Day: 13.1 Hours

Environment

Temp: -187 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 12,768,187 km

• M1: 167,849 km (0.108 R)
• M2: 616,642 km (0.071 R)
• M3: 1,052,122 km (0.074 R)
• M4: 1,498,372 km (0.04 R)
• M5: 1,961,677 km (0.063 R)
• M6: 2,557,824 km (0.077 R)
• M7: 3,601,569 km (0.051 R)
• M8: 4,892,748 km (0.104 R)
• M9: 5,676,491 km (0.074 R)
• M10: 6,266,954 km (0.073 R)
• M11: 6,826,151 km (0.075 R)
• M12: 7,832,047 km (0.1 R)
• M13: 8,315,996 km (0.114 R)
• M14: 9,050,222 km (0.117 R)
• M15: 10,013,034 km (0.088 R)
• M16: 11,176,457 km (0.084 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 564

Radius: 8.9

Gravity: 7.12 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 1.82 AU - 2.28 AU

Year: 2063 Days

Day: 10.1 Hours

Environment

Temp: -199 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 12,768,187 km

• M1: 110,702 km (0.084 R)
• M2: 410,497 km (0.108 R)
• M3: 1,020,407 km (0.092 R)
• M4: 1,349,074 km (0.101 R)
• M5: 1,626,727 km (0.115 R)
• M6: 2,238,134 km (0.117 R)
• M7: 2,632,025 km (0.1 R)
• M8: 3,087,251 km (0.111 R)
• M9: 4,711,884 km (0.112 R)
• M10: 5,294,418 km (0.1 R)
• M11: 5,661,831 km (0.105 R)
• M12: 6,551,190 km (0.034 R)
• M13: 7,221,538 km (0.091 R)
• M14: 7,559,180 km (0.094 R)
• M15: 8,145,454 km (0.099 R)
• M16: 9,508,291 km (0.095 R)
• M17: 9,811,825 km (0.115 R)
• M18: 10,688,917 km (0.03 R)
• M19: 11,848,002 km (0.044 R)
• M20: 12,518,200 km (0.096 R)
• M21: 14,502,766 km (0.063 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 218.2

Radius: 11.1

Gravity: 1.77 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 2.24 AU - 2.34 AU

Year: 2436 Days

Day: 13.5 Hours

Environment

Temp: -200 °C

Axial Tilt: 41.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 12,768,187 km

• M1: 138,528 km (0.052 R)
• M2: 485,894 km (0.116 R)
• M3: 1,266,047 km (0.105 R)
• M4: 1,997,132 km (0.106 R)
• M5: 2,489,458 km (0.07 R)
• M6: 2,879,759 km (0.042 R)
• M7: 3,266,170 km (0.096 R)
• M8: 3,736,207 km (0.119 R)
• M9: 4,639,479 km (0.092 R)
• M10: 5,153,048 km (0.081 R)
• M11: 6,108,679 km (0.103 R)
• M12: 6,900,052 km (0.071 R)
• M13: 7,812,749 km (0.107 R)
• M14: 12,025,425 km (0.116 R)
• M15: 12,504,736 km (0.094 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: 379 - 18,941 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit